Morphological Categories Research Articles

Urban Morphology Classification and Organizational Patterns: A Multidimensional Numerical Analysis of Heping District, Shenyang City

Prior studies have failed to adequately address intangible characteristics and lacked a comprehensive quantification of cultural dimensions. Additionally, such works have not merged supervised and unsupervised classification methodologies. To address these gaps, this study employed multidimensional numerical techniques for precise spatial pattern recognition and urban morphology classification at the block scale. By examining building density, mean floor numbers, functional compositions, and street block mixed-use intensities, alongside historical and contemporary cultural assets within blocks—with assigned weights and entropy calculations from road networks, building vectors, and POI data—a hierarchical categorization of high, medium, and low groups was established. As a consequence, cluster analysis revealed seven distinctive morphology classifications within the studied area, each with unique spatial configurations and evolutionary tendencies. Key findings include the dominance of high-density, mixed-use blocks in the urban core, the persistence of historical morphologies in certain areas, and the emergence of new, high-rise clusters in recently developed zones. The investigation further elucidated the spatial configurations and evolutionary tendencies of each morphology category. These insights lay the groundwork for forthcoming studies to devise morphology-specific management strategies, thereby advancing towards a more scientifically grounded, rational, and precision-focused approach to urban morphology governance.

Defining Echocardiographic Degrees of Right Heart Size and Function in Pulmonary Vascular Disease From the PVDOMICS Study

BACKGROUND: Defining qualitative grades of echocardiographic metrics of right heart chamber size and function is critical for screening, clinical assessment, and measurement of therapeutic response in individuals with pulmonary vascular disease (PVD). In a population enriched for PVD, we sought to establish qualitative grades and prognostic value of right heart chamber size and function. METHODS: We investigated 1053 study participants in PVDOMICS (Redefining Pulmonary Hypertension Through the PVD Phenomics Program) to determine clinical and echocardiographic differences associated with increasing pulmonary vascular resistance severity. Right heart chamber size and function were qualitatively assessed using a percentile-based approach above the median values to create a clinical grading system for right heart adaptation. The relationship between echocardiographic categories and all-cause mortality was examined using survival analyses adjusted for potential confounders. RESULTS: A stepwise increase in adverse right heart remodeling was observed with a concomitant decrease in functional parameters by pulmonary vascular resistance strata ( P <0.001 for all). Mild, moderate, and severe categories of right heart chamber size and dysfunction were defined using a percentile-based approach across the spectrum of PVD. During a median follow-up of 2.07 years (interquartile range, 1.23–3.01 years), 130 participants died (11.4%). Progressive pulmonary vascular resistance increase and 2DE evidence of right heart dysfunction inclusive of fractional area change, and right ventricular global longitudinal strain were independently associated with increased all-cause mortality risk in multivariate analysis adjusted for age, disease duration, and male sex. CONCLUSIONS: In this well-characterized sample of adults with diverse etiologies and varying PVD severity, we define categories of abnormal right heart chamber size and function. Further, we demonstrate a stepwise relationship between these categories of abnormal morphology and function and all-cause mortality. Defining grades of right ventricular dysfunction in individuals with known PVD has important clinical implications for monitoring disease progression and response to therapies.

Positive predictive value of malignancy for additional calcifications found during evaluation of a synchronous breast cancer

PurposeTo evaluate the positive predictive value and factors predictive of malignancy of additional calcifications in the pre-therapeutic work-up of a synchronous breast cancer. Materials and methodsInstitutional review board approval was obtained for this retrospective study and informed consent was waved. Consecutive patients referred to our center between January 1st 2018 and December 31st 2022 for a breast cancer and who presented additional calcifications detected during the pretreatment work-up were eligible for inclusion in this study. Morphology, distribution and BI-RADS category of the calcifications were assessed in consensus by 3 radiologists specialized in breast imaging. Side and distance from the cancer were collected. The predictive value of malignancy of the calcifications was calculated for each BI-RADS category. Factors associated with malignancy were evaluated by logistic non-conditional regression on univariate and multivariate analysis. ResultsOne hundred and thirteen clusters of calcifications in 103 patients were included. Among the groups of calcifications 41 % were malignant, 31 % benign and 28 % were atypia on biopsy. After exclusion of the non-operated atypia, 50.5 % of additional calcifications were ultimately malignant and 49.5 % were benign. The predictive value of malignancy was 20.7 %; 40.7 %; 63 %; 85.7 % and 100 % for category BI-RADS 3, 4a, 4B, 4c and 5 respectively. On multivariate analysis, multifocality or centricity of the index tumour (P = 0.01), BI-RADS classifications (P = 0.0001) and location ipsilateral less than 35 mm to the index cancer (P = 0.008) of the additional calcifications were found to be independent predictors of malignancy. Sixty percent of calcifications were not described on the initial out-center diagnostic work-up. ConclusionAdditional calcifications detected during the pretreatment work-up of a breast cancer are associated with a higher probability of malignancy than in a screening population and require biopsy even when demonstrating probably benign (BI-RADS 3) features.

Testing an artificial intelligence algorithm to predict fetal heartbeat of vitrified-warmed blastocysts from a single image: predictive ability in different settings.

Could an artificial intelligence (AI) algorithm predict fetal heartbeat from images of vitrified-warmed embryos? Applying AI to vitrified-warmed blastocysts may help predict which ones will result in implantation failure early enough to thaw another. The application of AI in the field of embryology has already proven effective in assessing the quality of fresh embryos. Therefore, it could also be useful to predict the outcome of frozen embryo transfers, some of which do not recover their pre-vitrification volume, collapse, or degenerate after warming without prior evidence. This retrospective cohort study included 1109 embryos from 792 patients. Of these, 568 were vitrified blastocysts cultured in time-lapse systems in the period between warming and transfer, from February 2022 to July 2023. The other 541 were fresh-transferred blastocysts serving as controls. Four types of time-lapse images were collected: last frame of development of 541 fresh-transferred blastocysts (FTi), last frame of 467 blastocysts to be vitrified (PVi), first frame post-warming of 568 vitrified embryos (PW1i), and last frame post-warming of 568 vitrified embryos (PW2i). After providing the images to the AI algorithm, the returned scores were compared with the conventional morphology and fetal heartbeat outcomes of the transferred embryos (n = 1098). The contribution of the AI score to fetal heartbeat was analyzed by multivariate logistic regression in different patient populations, and the predictive ability of the models was measured by calculating the area under the receiver-operating characteristic curve (ROC-AUC). Fetal heartbeat rate was related to AI score from FTi (P < 0.001), PW1i (P < 0.05), and PW2i (P < 0.001) images. The contribution of AI score to fetal heartbeat was significant in the oocyte donation program for PW2i (odds ratio (OR)=1.13; 95% CI [1.04-1.23]; P < 0.01), and in cycles with autologous oocytes for PW1i (OR = 1.18; 95% CI [1.01-1.38]; P < 0.05) and PW2i (OR = 1.15; 95% CI [1.02-1.30]; P < 0.05), but was not significantly associated with fetal heartbeat in genetically analyzed embryos. AI scores from the four groups of images varied according to morphological category (P < 0.001). The PW2i score differed in collapsed, non-re-expanded, or non-viable embryos compared to normal/viable embryos (P < 0.001). The predictability of the AI score was optimal at a post-warming incubation time of 3.3-4 h (AUC = 0.673). The algorithm was designed to assess fresh embryos prior to vitrification, but not thawed ones, so this study should be considered an external trial. The application of predictive software in the management of frozen embryo transfers may be a useful tool for embryologists, reducing the cancellation rates of cycles in which the blastocyst does not recover from vitrification. Specifically, the algorithm tested in this research could be used to evaluate thawed embryos both in clinics with time-lapse systems and in those with conventional incubators only, as just a single photo is required. This study was supported by the Regional Ministry of Innovation, Universities, Science and Digital Society of the Valencian Community (CIACIF/2021/019) and by Instituto de Salud Carlos III (PI21/00283), and co-funded by European Union (ERDF, 'A way to make Europe'). M.M. received personal fees in the last 5 years as honoraria for lectures from Merck, Vitrolife, MSD, Ferring, AIVF, Theramex, Gedeon Richter, Genea Biomedx, and Life Whisperer. There are no other competing interests. N/A.

Contamination by microplastics and sorbed organic pollutants in the surface waters of the Tietê River, São Paulo-SP, Brazil

Microplastics (MPs) are particles between 1 μm and 5 mm in size, originating mainly from poor solid waste and effluent management, that can reach water bodies from various sources. In freshwater environments, the occurrence, distribution, and characterization of this new class of pollutants are still little explored, especially in Brazil. The aim of this study was to assess the occurrence of MPs, as well as the presence and concentration of polychlorinated biphenyls (PCBs) sorbed to these particles in the surface waters of the Tietê River - SP. Surface water samples were collected in duplicate during the dry and wet seasons. The identification and characterization of the MPs was carried out through visual inspection and the chemical identity of the particles was verified using Fourier transform infrared spectroscopy with attenuated total reflectance (FTIR-ATR). For the analysis of PCBs adsorbed to the MPs, the sample extracts were analyzed by gas chromatography coupled with mass spectrometry (GC-MS). The MPs were found in concentrations ranging from 6.67 to 1530 particles m−3, with a predominance of the polymers polyethylene (PE, with 58.17 %) and polypropylene (PP, with 23.53 %). The main morphological categories identified were fragments (56.63 %), fibers (28.42 %), and transparent films (13.06 %). Higher abundances of PCBs were observed in the lower size range, between 0.106 and 0.35 mm. The total concentrations of PCBs in MPs ranged from 20.53 to 133.12 ng g−1. The results obtained here are relevant for understanding the dynamics and level of contamination of MPs and organic pollutants sorbed to these particles in the Tietê River, as well as helping with mitigation measures for the restoration and preservation of this ecosystem.

Role of Macrocalcification in Raising the Suspicion of Malignancy among the ACR TIRADS Thyroid Nodules Detected by Ultrasonography

Abstract Background Thyroid nodules are a frequent finding on neck sonography. The US is the most commonly used imaging technique for the evaluation of thyroid nodules. The Thyroid Imaging, Reporting and Data System (TIRADS) developed by the American college of radiology (ACR) for classification of thyroid nodules is a practical and convenient method for risk stratification of thyroid malignancy, based on allocating points for different sonographic features of thyroid nodules in five morphologic categories (composition, echogenicity, margins, shape, and presence of echogenic foci). Objective To evaluate the role of macrocalcification in raising the suspicious of malignancy among ACR TIRADS 3 and 4 group without macrocalcification Patients and Methods Our study was conducted on 60 adult patients, 20 patients with TIRADS 3 nodule, 20 patients with TIRADS 4 group with macrocalcification nodules and 20 patients group TIRADS 4 without macrocalcification nodules, whose ages range between 23 and 65 years old and were referred to undergo FNA procedures. Results The present study concludes parenchymal macrocalcifications showed no statistically significant difference in raising percentage of malignancy among TIRADS 4 patients. Conclusion We conclude that the added macrocalcification showed no statistically significant difference in raising percentage of malignancy compared to TIRADS 4 without calcification group. Also, presence of macrocalcification should not prevent clinicians from making further assessments in case of nondiagnostic results to exclude their association with rather than their causal relation with thyroid malignancies.

LINGUODIDACTIC FEATURES OF TEACHING ADJECTIVES IN THE COURSE OF UKRAINIAN AS A FOREIGN LANGUAGE

The article delineates the nuances surrounding the meaning, morphological features, syntactic functions, and stylistic attributes of Ukrainian adjectives as a focal point for foreign learners, accompanied by a proposed set of exercises tailored to foster practical proficiency and fluency in their application within speech. It underscores the close association between adjectives and nouns, wherein their interdependency epitomizes the essence of their lexical meaning and grammatical categories. The semantics of adjectives is linked with word-formation structures, encompassing both derivative and non-derivative forms, as well as processes of substantiation. In teaching Ukrainian to non-native speakers, particular emphasis is placed on elucidating the autonomous nature of morphological categories – gender, number, and case – when adjectives assume the role of a noun or predicate. A comprehensive array of morphological variations within adjectives is delineated: 1) forms of word change by gender, number, case; 2) forms of adjectival comparison; 3) short and full (conjugated and unconjugated) forms of adjectives; 4) forms of adjectives by the final consonant of the stem (hard, soft, mixed group). Consideration is given to the formation and utilization of grammatical forms in tandem with the lexical and stylistic nuances inherent to adjectives. Moreover, the article underscores the distinctive approach employed in textbooks targeting Ukrainian as a foreign language when addressing the topic of adjectives. Authors extensively employ tables, instructional rules, generalizations, and grammatical exercises with a communicative emphasis, supplemented by explanatory commentary. It is essential to exercise creativity in leveraging the grammatical content within textbooks, critically evaluating presentation modalities and sequential learning patterns, and devising a comprehensive range of exercises and tasks aimed at cultivating practical aptitude and proficiency in adjective usage within speech. The efficacy of addressing these objectives hinges upon the methodological proficiency of Ukrainian language educators catering to foreign learners. Key words: Ukrainian as a foreign language, adjective, practical grammar, morphological features, syntactic functions, methodological competence.

Deciphering morphology patterns of environmental microfibers: Insights into source apportionment

Microfibers, a prevalent form of microplastics, undergo diverse environmental interactions resulting in varied morphological changes. These changes can offer insights into their environmental trajectories. Despite its importance, comprehensive studies on microfiber morphology are scarce. This study collected 233 microfibers from the East China Sea and South China Sea. Based on morphological features observed in microscopic images of microfibers, such as curvature, cross-sectional shapes, diameter variations, and crack shapes, we identified a general morphological pattern, classifying the environmental microfibers into three distinct morphological types. Our findings highlight noticeable differences in morphological metrics (e.g., length, diameter, and surface roughness) across three types, especially the diameter. Microfibers of Type I had an average diameter of 19.45 ± 4.93 μm, significantly smaller than Type II (263.00 ± 75.15 μm) and Type III (299.68 ± 85.62 μm). Within the three-dimensional (3D) space fully defined by these quantitative parameters, the clustering results of microfibers are also consistent with the proposed morphology pattern, with each category showing a potential correlation with specific chemical compositions. Type I microfibers correspond to synthetic cellulose, while 94.79 % of Types II and III are composed of polymers. Notably, we also validated the great applicability of the morphology categories to microfibers in diverse environmental compartments, including water and sediments in nearshore and offshore areas. This classification aids in the efficient determination of microfiber sources and the assessment of their ecological risks, marking a significant advancement in microfiber environmental studies.

Assessment of abdominal lesions in pigs with wounded umbilical outpouchings transported to slaughter

BackgroundUmbilical outpouchings (UOs) in pigs are of welfare and production concern in Danish pig herds. One of the challenges is the transportation of these animals due to the size of the UOs and ulcerations on them. With certain precautions and an approval from a veterinarian, pigs with UOs may be transported, however, UOs are associated with several intra-abdominal lesions, e.g. peritonitis and incarceration, which may worsen during the process of transportation. The prevalence and characterization of intra-abdominal lesions associated with UOs following transportation has not been investigated. Therefore, the objective of the present study was to evaluate lesions associated with the intestines and peritoneum in slaughter pigs with wounded UOs following transportation to an abattoir.ResultsA cross-sectional study involving three conventional Danish pig herds was conducted comprising 96 slaughter pigs with wounded UOs transported to an abattoir. Following slaughter the UOs with accompanying intestines were examined pathologically. Three distinct morphological categories were present: hernia, enterocystoma and herniating enterocystoma. Intra-abdominal lesions were present in 72% of the animals, representing 65% (44/68) of the hernias, 77% (10/13) of the enterocystomas, and 100% (15/15) of the herniating enterocystomas. Several different lesions were found like bleedings, acute/chronic peritonitis and hypertrophy of the intestinal muscular layers.ConclusionsThe prevalence of intra-abdominal lesions in pigs transported with a wounded UO was found to be high independent of the underlying condition, and it is clear that these pigs possess a vulnerable group of animals, especially during physical stressful situations like transportation. More information is needed regarding the prevalence of intra-abdominal lesions in UO pigs without wounds on the UO. The results provide valuable knowledge, that can be used when examining and evaluating UO pigs before transportation.

Innovative methods for microplastic characterization and detection: Deep learning supported by photoacoustic imaging and automated pre-processing data

Plastic products' widespread applications and their non-biodegradable nature have resulted in the continuous accumulation of microplastic waste, emerging as a significant component of ecological environmental issues. In the field of microplastic detection, the intricate morphology poses challenges in achieving rapid visual characterization of microplastics. In this study, photoacoustic imaging technology is initially employed to capture high-resolution images of diverse microplastic samples. To address the limited dataset issue, an automated data processing pipeline is designed to obtain sample masks while effectively expanding the dataset size. Additionally, we propose Vqdp2, a generative deep learning model with multiple proxy tasks, for predicting six forms of microplastics data. By simultaneously constraining model parameters through two training modes, outstanding morphological category representations are achieved. The results demonstrate Vqdp2's excellent performance in classification accuracy and feature extraction by leveraging the advantages of multi-task training. This research is expected to be attractive for the detection classification and visual characterization of microplastics.

The Factors of the Distribution of Grammatical Categories and Phenomena in Contemporary Czech

As to the application of the grammar within communication, we distinguish between two contingencies: a) grammatical categories which attach to the objective reality (verbal tenses, number, gender etc.), b) those which do not (in Czech for example the category of case). The relation between grammar and objective reality is not naturally rectilinear and troublefree. It could be complicated by various factors - not only the different type of language but also actualization which we comprehend as the unusual application of a grammatical form (often in order to gain more expressive term) - for example the sentence in the future tense Budeš psát (You will write) functions as that in the stressed imperative mood. To speakers with the advanced knowledge of Czech it is possible to present also special unmarked grammatical categories where a respective grammatical form can have more than one meaning. In the sentence Studuje český a německý jazyk (He studies Czech and German languages) the word jazyk (language) has the form of singular but the meaning of plural. There are many factors which influence the adequate choice of a grammatical category. In this respect the semantics are applied to a large extend and in various ways. The important role can be also played by number and so-called signal words which need the usage of a concrete morphological category (for example after the adverb včera (yesterday) must the preterite tense follow). From the linguo-didactic point of view this theme is very important and it is necessary to go on working it out.

Terminologization of Colouronyms of Metal and Mineral Etymological Origin: The Evolutionary Aspect

This paper is devoted to the study of French colouronyms and their terminologization in different subtypes of scientific discourse. The research is based on colouronyms of mineral origin “(jaune / vert / brun / rouge d’) andalousite” and “quartz (blanc / rose),” as well as those of metallic origin – “jaune d’or” and “jaune / vert de chrome.” The authors carry out an etymological analysis of all the above-mentioned lexical units and consider the main tendencies of the terminologization of words with the semantics of colour in French scientific discourse. The peculiarities of the terminologization of colouronyms of mineral origin are analysed in the chemistry and geology discourse subtypes, whereas trends in the use of colouronyms of mineral origin are presented in the chemistry and physics discourse subtypes.The aim of this paper is to analyse the evolutionary tendencies of the terminologization of French colouronyms in the subtypes of scientific discourse to describe their common and diverging properties at different levels, i.e. structural-semantic, morphological, and syntactic.The empirical material for the research comprises written scientific texts on chemistry(the Annales de chimie et de physique electronic archive of scientific journals), geology (the Planète-Terre electronic archive of scientific journals), and physics (the Futura Sciences electronic archive of scientific journals).The research methods employed include etymological, component, structural-semantic, morphological, and syntactic analyses.The terminologization of colouronyms is a long-term continuous evolutionary discursive process that can be observed in French scientific discourse from the nineteenth century until the present day. The authors investigate the evolutionary tendencies of colouronyms as emerging semantics of colour in lexemes that have not had it before, the development of new structural-semantic models, the increasing numbers of morphological categories of colour terms, the acquisition of new syntactic roles, and the gradual process of the semantic transformation of colouronyms. The transition of colouronyms from one subtype of scientific discourse into another while preserving the structural-syntactic forms and morphological and semantic categories indicates the correlation between the discursive subtypes and the convergence of their functional properties at different levels of the language system. Despite this interdiscursive connectedness, each of the subtypes manifests distinct boundaries, which can be revealed through the study of the semantic specificity of colouronyms and their terminologization in scientific discourse.Transl.: Volkova M.V. 2022. Terminologization of Colouronyms of Metal and Mineral Etymological Origin: The Evolutionary Aspect. Professional Discourse &amp; Communication. 4(2). P. 45–65. DOI: https://doi.org/10.24833/2687-0126-2022-4-2-45-65

Notes on Verbal Aspect in Three Vedic Prose Narratives

AbstractThis article summarises the synchronic system of verbal aspect manifest in three Middle Vedic prose narrative texts, investigating the use of various morphological categories with past reference (especially the imperfect, perfect and aorist). I show that the imperfect and perfect are both compatible with multiple aspectual readings (perfective, imperfective and anterior); in the terminology of Dahl (2010), both may have neutral aspect. The aorist is largely restricted to anterior readings but can be perfective. Additionally, I consider the diachronic context of this system, outlining differences from the earlier one visible in the Early Vedic of the Rigveda and discussing the probable diachronic trajectory connecting the two. After commenting on the possibility of characterising the synchronic system within the alternative framework of Altshuler (2014), which lacks the category of neutral aspect, I conclude with notes on the use of the sentential particles ha, nu and vai in the text samples. The first of these seems to be associated with perfective aspect, while the latter two are both associated with anterior aspect.

Тройна показателна местоименна система в диалекта на с. Речане, Призренско

In the article, from the point of view of the theory of grammatical oppositions, the organization and composition of the triple demonstrative pronoun system in the Rechanе dialect, which marks the western border of the Bulgarian linguistic land, is presented. It is emphasized on the signs on the basis of which it is built, and the existence of a logical relationship between them, which predetermines the number of its constituent members. The reasons that led to the limitation of the area of distribution of the triple paradigm of demonstrative pronouns and to the development towards its reduction to two-part, which characterize today the predominant part of the speech on our linguistic territory, and which has imposed itself as a norm from the point of view of the contemporary Bulgarian literary language, are also indicated. A parallel is drawn with the development of the four-member morphological category definiteness / definiteness (which arises on the basis of the phenomenon analyzed in the article) and its development, emphasizing the existing similarity in the two developmental processes. The presented analysis of the triple demonstrative pronoun system of the speech of the village of Rechane, Prizrensko is based on material personally collected by the author during the course of candidate student courses in Bulgarian language, literature, history and culture for the Bulgarian minority there in the period 2015–2019.

Foliar phenols and flavonoids level in pteridophytes: an insight to culturable fungal endophyte colonisation.

There are many available reports of secondary metabolites as bioactive molecules from culturable endophytes, nevertheless, there are scarce research pertaining to the levels of metabolites in plants with respect to the incidence and colonisation of fungal endophytes in the same foliar tissues. Therefore, the study was focussed to examine whether fungal endophyte colonisation and the accumulation of secondary metabolites, such as flavonoids and phenols, in the plants are related in any way. For this reason, the study aims to analyse phenols and flavonoids from the fronds of eleven pteridophytes along with the culture-dependent isolation of fungal endophytes from the host plants subsequently assigning them to morphological category and their quantitative analysis and further resolving its identities through molecular affiliation. The results revealed that nine morpho-categories of fungal endophytes were allotted based on culture attributes, hyphal patterns and reproductive structural characters. Highest numbers of species were isolated from Adiantum capillus-veneris and least was recorded from Pteris vittata and Dicranopteris linearis. Maximum phenol content was analysed from the fronds of P. vittata and lowest was recorded in A. capillus-veneris. Highest flavonoid content was measured in D. linearis and lowest was detected in Christella dentata. Significant negative correlation was observed between phenol content of ferns and species richness of fungi. Moreover, significant positive correlation was observed with the relative abundance of Chaetomium globosum and flavonoid content of ferns and negative significant relation was found between relative abundance of Pseudopestalotiopsis chinensis and phenol content of pteridophytes. The occurrence and the quantitative aspects of endophytes in ferns and their secondary metabolites are discussed.

A Galaxy Image Augmentation Method Based on Few-shot Learning and Generative Adversarial Networks

Galaxy morphology classifications based on machine learning are a typical technique to handle enormous amounts of astronomical observation data, but the key challenge is how to provide enough training data for the machine learning models. Therefore this article proposes an image data augmentation method that combines few-shot learning and generative adversarial networks. The Galaxy10 DECaLs data set is selected for the experiments with consistency, variance, and augmentation effects being evaluated. Three popular networks, including AlexNet, VGG, and ResNet, are used as examples to study the effectiveness of different augmentation methods on galaxy morphology classifications. Experiment results show that the proposed method can generate galaxy images and can be used for expanding the classification model’s training set. According to comparative studies, the best enhancement effect on model performance is obtained by generating a data set that is 0.5–1 time larger than the original data set. Meanwhile, different augmentation strategies have considerably varied effects on different types of galaxies. FSL-GAN achieved the best classification performance on the ResNet network for In-between Round Smooth Galaxies and Unbarred Loose Spiral Galaxies, with F1 Scores of 89.54% and 63.18%, respectively. Experimental comparison reveals that various data augmentation techniques have varied effects on different categories of galaxy morphology and machine learning models. Finally, the best augmentation strategies for each galaxy category are suggested.

The Syntactic Paradox “Single Sentence''

The article proposes a cognitive revision of sentence invariants with respect to the explication of main parts. Confusing `composition' and `structure' and bringing a morphological nomenclature of word classes to nominate invariants is a methodological problem. Extrapolation of terms from level to level adds contradiction to the categories and is a problem in the learning and acquisition of the language and its grammar. A cognitively correct sentence on this basis is one-component, subject or predicate, subject or predicate, but not one-component, because they are parts of the structure, not of the composition. The predicate sentence is always personal, but when it is expressed by a verb with a form in the third person only, i.e. in principle, there is no first and second position of the paradigm of this morphological category, it is subjectless.

Adenosinergic Modulation of Layer 6 Microcircuitry in the Medial Prefrontal Cortex Is Specific to Presynaptic Cell Type.

Adenosinergic modulation in the PFC is recognized for its involvement in various behavioral aspects including sleep homoeostasis, decision-making, spatial working memory and anxiety. While the principal cells of layer 6 (L6) exhibit a significant morphological diversity, the detailed cell-specific regulatory mechanisms of adenosine in L6 remain unexplored. Here, we quantitatively analyzed the morphological and electrophysiological parameters of L6 neurons in the rat medial prefrontal cortex (mPFC) using whole-cell recordings combined with morphological reconstructions. We were able to identify two different morphological categories of excitatory neurons in the mPFC of both juvenile and young adult rats with both sexes. These categories were characterized by a leading dendrite that was oriented either upright (toward the pial surface) or inverted (toward the white matter). These two excitatory neuron subtypes exhibited different electrophysiological and synaptic properties. Adenosine at a concentration of 30 µM indiscriminately suppressed connections with either an upright or an inverted presynaptic excitatory neuron. However, using lower concentrations of adenosine (10 µM) revealed that synapses originating from L6 upright neurons have a higher sensitivity to adenosine-induced inhibition of synaptic release. Adenosine receptor activation causes a reduction in the probability of presynaptic neurotransmitter release that could be abolished by specifically blocking A1 adenosine receptors (A1ARs) using 8-cyclopentyltheophylline (CPT). Our results demonstrate a differential expression level of A1ARs at presynaptic sites of two functionally and morphologically distinct subpopulations of L6 principal neurons, suggesting the intricate functional role of adenosine in neuronal signaling in the brain.

On the nature and organisation of morphological categories: verbal aspect through the lens of associative learning

The process by which awareness and/or knowledge of linguistic categories arises from exposure to patterns in data alone, known as emergence, is the corner stone of usage-based approaches to language. The present paper zooms in on the types of patterns that language users may detect in the input to determine the content, and hence the nature, of the hypothesised morphological category of aspect.The large-scale corpus and computational studies we present focus on the morphological encoding of temporal information as exemplified by aspect (imperfective/perfective) in Polish. Aspect is so heavily grammaticalized that it is marked on every verb form, yielding the practice of positing infinitival verb pairs (‘do’ = ‘robićimpf/zrobićpf’) to represent a complete aspectual paradigm. As has been shown for nominal declension, however, aspectual usage appears uneven, with 90% of verbs strongly preferring one aspect over the other. This makes the theoretical aspectual paradigm in practice very gappy, triggering an acute sense of partialness in usage. Operationalising emergence as learnability, we simulate learning to use aspect from exposure with a computational implementation of the Rescorla-Wager rule of associative learning. We find that paradigmatic gappiness in usage does not diminish learnability; to the contrary, a very high prediction accuracy is achieved using as cues only the verb and its tense; contextual information does not further improve performance. Aspect emerges as a strongly lexical phenomenon. Hence, the question of cognitive reality of aspectual categories, as an example of morphological categories in general, should be reformulated to ask which continuous cues must be learned to enable categorisation of aspectual outcomes. We discuss how the gappiness of the paradigm plays a crucial role in this process, and how an iteratively learned, continuously developing association presents a possible mechanism by which language users process their experience of cue-outcome co-occurrences and learn to use morphological forms, without the need for abstractions.

Golden Swords of the Early Nomads of Eurasia: A New Classification and Chronology

The “ceremonial” forms of swords and daggers—that is, bladed weapons decorated with precious metals—occupy a special place in the culture of the early nomads. For the Scythian period, we know at least 76 ceremonial objects from 61 sites, corresponding to 3.5% of the total sample. More than half of the finds come from the northern Black Sea region (mainly Ukraine). Ceremonial forms are represented in all morphological categories (from daggers to extra-long swords), but their distribution is slightly different. Most akinakai belong to the average and long swords. Most Scythian akinakai in Eurasia belong to the dagger and short sword groups. Although most Scythian swords and daggers fall into the Middle Scythian period, most ceremonial forms belong to the last phase of Classical Scythian culture. This period is a veritable “golden autumn” of Scythia with its huge royal burial mounds and abundance of gold, perfectly illustrating our argument that conspicuous consumption coincides with periods of political and social instability. After the peak of the proliferation of ceremonial akinakai in the third quarter of the 4th century BC, we observe a generation later the complete disappearance of Classical Scythian culture, along with its characteristic weapons, horse harnesses, and animal style.