Period Of Movement Research Articles

Altered Cortical Activity during a Finger Tap in People with Stroke.

This study describes electroencephalography (EEG) measurements during a simple finger movement in people with stroke to understand how temporal patterns of cortical activation and network connectivity align with prolonged muscle contraction at the end of a task. We investigated changes in the EEG temporal patterns in the beta band (13-26Hz) of people with chronic stroke (N = 10, 7F/3M) and controls (N = 10, 7F/3M), during and after a cued movement of the index finger. We quantified the change in beta band EEG power relative to baseline as activation at each electrode and the change in task-based phase-locking value (tbPLV) and beta band task-based coherence (tbCoh) relative to baseline coherence as connectivity between EEG electrodes. Finger movements were associated with a decrease in beta power (event related desynchronization (ERD)) followed by an increase in beta power (event related resynchronization (ERS)). The ERS in the post task period was lower in the stroke group (7%), compared to controls (44%) (p < 0.001) and the transition from ERD to ERS was delayed in the stroke group (1.43s) compared to controls (0.90s) in the C3 electrode (p = 0.007). In the same post movement period, the stroke group maintained a heightened tbPLV (p = 0.030 for time to baseline of the C3:Fz electrode pair) and did not show the decrease in connectivity in electrode pair C3:Fz that was observed in controls (tbPLV: p = 0.006; tbCoh: p = 0.023). Our results suggest that delays in cortical deactivation patterns following movement coupled with changes in the time course of connectivity between the sensorimotor and frontal cortices in the stroke group might explain clinical observations of prolonged muscle activation in people with stroke. This prolonged activation might be attributed to the combination of cortical reorganization and changes to sensory feedback post-stroke.

InSAR stacking to detect active landslides and investigate their relation to rainfalls in the Northern Apennines of Italy

Interferometric stacking is a useful technique to detect active slope deformation over vast mountainous area. Compared to the analysis of single interferograms, the stacking approach improves the signal to noise ratio and deformation signals become clearer. In this work, we used stacked interferograms to detect active slow-moving landslides during the years 2015 to 2019 over a 1200 km2 portion of the Northern Apennines of Italy. C-band Sentinel 1 SAR images were used to create short temporal baseline (6 to 24 days) interferograms which limit decorrelation and maximize the range of measurable displacement rates. Then we operated a further selection of interferograms based on coherence and visual inspection, before stacking over multiple time scales (1 month to years). The products of the analysis are ground displacement maps where the presence of residual noise is inversely proportional to the duration of the stack and the deformation signal is clearly recognized. Results show that only a small fraction of the mapped landslide deposits are experiencing deformation that can be detected by differential interferometry. In particular, we identified 118 InSAR deformation signals corresponding to ongoing gravitational slope deformations over the 9916 landslides mapped in the area. Active movements are mostly located on landslides that have undergone catastrophic reactivation in relatively recent times. Annual interferometric stacks proved better suited to detect active slope movements, while <15 % of our deformation signals can only be detected by inspecting monthly stacks. Active slow-moving landslides show variable displacement rates in monthly stacks. Periods of dormancy alternate to accelerations that may lead to actual catastrophic failures or, more often, determine finite periods of sustained slow movement before the displacement rates drop below the detection limit. We compared the evolutionary trends of the phenomena to the occurrence of rainfall events. For this purpose, we use the probability of landslide occurrence which is associated with a rainfall event based on a territorial alert threshold. Results show that, at increasing landslide occurrence probabilities, an increasing fraction of actively deforming landslides can be detected by InSAR.

Chiral thioacetyl derivatives of proline as novel potential agents for beluga reproduction

The aim of the research was to study antioxidant activity and protective potential of new phenol-containing thioacetyl derivatives of D- and L-prolines as potential agents on beluga sperm and survival in the early stages of ontogeny of bester (Huso x Acipenser ruthenus) development. The study indicated that both enantiomers demonstrated the equal scavenging activity towards DPPH•, ABTS•+, O2•–, H2O2 and NO, and that the activity towards all of these radicals, with the exception of nitric oxide, exceeded the activity of BHT. No significant differences were registered between the enantiomers in the inhibition of long-term lipid peroxidation of beluga sperm in vitro. The enantiomers revealed the opposite effect on the motility duration time of beluga spermatozoa, the rate of their fertilization, and survival at the early stages of bester ontogeny. Application of the L-proline derivative for the beluga sperm treatment resulted in the increase of the total period of movement of beluga sperm cells, the raise of the fertility of sterlet eggs and the survival of bester offspring at the prelarval stage, which led to an increase in the number of produced larvae. The introduction of the D-proline derivative or BHT decreased the motility duration time of beluga sperm, the fertility of sterlet eggs and the survival of offspring at the prolarval stage, which led to a decrease in the number of obtained larvae.

Exploring sleep characteristics in Chinese patients with narcolepsy: insights from the nocturnal sleep onset rapid eye movement period (nSOREMP).

This study aimed to investigate the unique characteristics and clinical significance of the nocturnal sleep onset rapid eye movement period (nSOREMP) in the Chinese population with narcolepsy, enhancing our understanding and management of the disorder globally. This retrospective analysis investigated narcolepsy in Chinese patients from six hospitals, using the International Classification of Sleep Disorders. A parallel retrospective analysis of the Chinese Clinical Sleep Database focused on polysomnography records was conducted to evaluate nSOREMP prevalence in other sleep disorders. The study found a 2.51% nSOREMP prevalence in other sleep disorders in the Chinese Clinical Sleep Database. Significant differences in age, N2 and rapid eye movement percentages, rapid eye movement latency, and various indexes were noted among patients with narcolepsy with or without nSOREMP and other sleep disorders with nSOREMP in the Chinese Clinical Sleep Database. nSOREMP prevalence in narcolepsy type 1 was 33.33% and in narcolepsy type 2 was 28.30%. Noteworthy disparities in narcolepsy type 1 included N2 percentages, rapid eye movement latency, and SOREMPs on Multiple Sleep Latency Test. In narcolepsy type 2, differences were significant for age, sleep latency, N2 and rapid eye movement latencies, arousal index, mean sleep latency on the Multiple Sleep Latency Test, and Multiple Sleep Latency Test SOREMPs. This study highlights the distinct characteristics of nSOREMP in the Chinese population. Patients exhibiting symptoms suggestive of the onset of narcolepsy are advised to undergo a Multiple Sleep Latency Test, irrespective of the occurrence of SOREMP during nocturnal polysomnography. Zeng S, Feng F, Li W, etal. Exploring sleep characteristics in Chinese patients with narcolepsy: insights from the nocturnal sleep onset rapid eye movement period (nSOREMP). J Clin Sleep Med. 2024;20(8):1349-1355.

Acupuncture for reducing the south to reinforce the north on executive function and sleep structure in patients with chronic insomnia disorder of heart-kidney disharmony.

To observe the efficacy of acupuncture for reducing the south to reinforce the north on executive function, sleep structure and sleep quality in patients with chronic insomnia disorder of heart-kidney disharmony. A total of 100 patients with chronic insomnia disorder of heart-kidney disharmony were randomized into an acupuncture group (50 cases, 1 case dropped out) and a western medication group (50 cases, 2 cases dropped out). Acupuncture for reducing the south to reinforce the north was applied at Baihui (GV 20) and bilateral Shenmen (HT 7), Sanyinjiao (SP 6), Shenmai (BL 62), Zhaohai (KI 6), Xinshu (BL 15), Shenshu (BL 23) in the acupuncture group, once a day, 5 days a week. Lorazepam tablet was given orally in the western medication group, 0.5-1 mg a time, once a day. Both groups were treated for 4 weeks. The Stroop color-word test (SCWT) indexes (the time consuming and the correct number of card A, B, C and the Stroop interference effect [SIE]), sleep structure indexes (total sleep time [TST], sleep latency [SL], wake after sleep onset [WASO], sleep efficiency [SE], non-rapid eye movement period 1 [N1], non-rapid eye movement period 2 [N2], non-rapid eye movement period 3 [N3], rapid eye movement period [REM]) and Pittsburgh sleep quality index (PSQI) score were observed before and after treatment in the two groups. After treatment, the time consuming of card B and C, the time consuming and the correct number of SIE, SL, WASO, N1, N2, as well as the sub-item scores and total score of PSQI were decreased (P<0.05, P<0.01), the correct number of card A, B and C, TST, SE, N3 and REM were increased (P<0.01) compared with those before treatment in the acupuncture group; the time consuming of card C and SIE, the correct number of card A and SIE, TST, SE, REM were increased (P<0.05, P<0.01), SL, WASO, N1, as well as the sub-item scores of sleep quality, sleep latency, sleep duration, sleep efficiency, daytime function and total score of PSQI were decreased (P<0.01) compared with those before treatment in the western medication group. After treatment, in the acupuncture group, the time consuming of card C, the time consuming and the correct number of SIE, N1, N2, as well as the sub-item scores of sleep quality, sleep dysfunction, daytime function and total score of PSQI were lower than those in the western medication group (P<0.01), the correct number of card B and C, N3, REM were higher than those in the western medication group (P<0.01). Acupuncture for reducing the south to reinforce the north can improve the executive function of patients with chronic insomnia disorder of heart-kidney disharmony, adjust the sleep structure, and improve the night sleep quality and daytime body function.

Claudia Jones and Black Power: A Close Reading of the West Indian Gazette and Afro-Asian Caribbean News

When Claudia Jones was deported to Britain in 1955, the U.S. Government likely expected that the Communist threat she presented was finally neutralized. Yet, from the shores of Britain, Jones continued her radical activism. The West Indian Gazette and Afro-Asian Caribbean News (WIG), created by Jones in 1958, became an effective bullhorn to foster unity and solidarity amongst Black migrants in Britain toward many causes – at home and abroad. She called upon her previously established transnational connections to bring news of international developments to her British audience. The WIG’s coverage of the U.S. Civil Rights and Black Power Movements throughout the 1960s was also significant. Linking the United States and the UK to global changes, Jones kept a finger on the pulse of radical movements across the world and amplified them to her audience in editorials about uprisings in the Congo in 1960, revivals of Garveyism in Jamaica, and revolution in Cuba, for example. Drawing closely from the WIG, this article will analyze some of the continuities that rippled throughout the activism of Claudia Jones into the period of the Black Power Movement, as well as the overlapping activists, their strategies, and the important discussions the WIG was able to platform during its run. It will highlight that the many crossovers observed through the pages of the WIG evidence how a generation of activists may have been influenced by the knowledge transmitted through the life and work of Claudia Jones.

Sociodemographic Characteristics of the Iranian Revolutionary Community in Syria and Lebanon in the 1970s.

The article is devoted to the comprehensive sociodemographic analysis of the local community of Iranian Islamists acting in Syria and Lebanon in the decade preceding the Islamic revolution of 1978-79. Thus far, history of everyday life and the multitudinous activities of the Iranian Islamic opposition in Syria and Lebanon in the 1970s has never become the principal subject of a historic research and has barely received attention from Western specialists in the history of the Islamic Revolution and modern Middle Eastern history, as well as from Iranian historians, scholars and researchers working in the field of the modern history of Iran. However, for a more comprehensive understanding of the Islamic Revolution, revolutionary processes and their logical premises and outcomes, it is highly necessary to carefully consider the sociodemographic characteristics of the active representatives of the Iranian opposition movement in the pre-revolutionary period namely in the 1970s. Throughout the comparative historical analysis of the reliable memories of longtime supporters of the Iranian Islamic movement acting in Syria and Lebanon, the fundamental sociodemographic characteristics of the active members of Iranian revolutionary movement abroad (e.g. gender, age, birthplace and place of living, educational and religious background, social marital status, etc.) are thoroughly highlighted, properly described and analyzed and their sociodemographic portrait is carefully created. The received sociohistorical data may properly serve as a valuable source on the social history of the Iranian society in the pre-revolutionary period, as well as on the complex history of Iranian revolutionary movement and the modern history of the Middle East region.

489 Increase in Broadband Power Is an Electrophysiologic Marker of Focal Thalamic Activity During Movement

INTRODUCTION: The architecture of the human thalamus is currently indirectly inferred from human histopathologic and non-human animal studies. Given that movement-related increases in broadband power from electrocorticography recording have been previously shown to identify specific motor cortical subregions involved with a particular movement, we explored whether this phenomenon can also be used to localize motor subregions of thalamus. METHODS: We performed serial human thalamic local field potentials recordings using an electrode moved through the lateral thalamusduring deep brain stimulation surgery in 10 subjects. During the recording at each location, subjects alternated between 5 second epochs of rest and 5 second periods of contralateral hand movement. Power spectra were generated for each epoch using Welch’s overlapping periodogram method (1 second window, 50% overlap). Spectra from all movement and rest epochs were separately averaged. The difference between the power in the 65 to 95 Hz band during movement versus rest was used as a proxy for task-related change in broadband activity. Task-related differences in prominent low-frequency oscillations (patient-specific sub-ranges within 5 to 30 Hz) were analyzed per individual oscillation and in aggregate. Significance was determined using unpaired T tests at a threshold of p = 0.05. RESULTS: We find that recording sites showing statistically significant increases in broadband power during movement tend to tightly cluster in areas predicted to represent motor thalamus, whereas sites showing statistically significant reduction in the power (desynchronization) of low frequency oscillations are more diffusely distributed. This finding is replicated across all subjects. CONCLUSIONS: These results suggest that a task-dependent increase in broadband power is an electrophysiologic marker of focal thalamic activity and may be useful to delineate specific thalamic subregions on an individual subject basis.

Graph-Theory-Based Multilevel Cortical Functional Connectivity Developmental Analysis

Functional connectivity (FC) is an efficient measurement to describe brain’s traits in information processing. But FCs at developmental stages from infacy to adolescence usually have severe individual variance, may affect the FC characterization analysis. Yet few past studies try to address this problem. In this paper, we select quiet sleep (QS) and non-rapid eye movement (NREM) period electroencephalogram (EEG) of 42 healthy subjects from 0 to 17 years old for study. Random network combined with stability measurement using Shannon entropy (SE) is used to construct the individual-level functional connectivity (ILFC), which can describe the individual brain’s interaction. Majority voting is applied to construct the group-level functional connectivity (GLFC), which can describe the core part of ILFCs within the same age. Based on FCs, graph theory and statistical analysis are further applied, where the following conclusions are observed: (1) The β band of EEG is most important in showing the age related variance of functional separation and integration. (2) 3 months 3 years old is the transition period from intra-subnetwork interacting mode to inter-subnetwork interacting mode. (3) The phenomenon of complementation and overlay among GLFCs in different bands can be found. (4) The GLFC’s network centrality becomes not obvious as age increases during 1 14 years old.

Scale-dependent habitat selection is shaped by landscape context in dispersing white-tailed deer

ContextIdentifying how animals select habitat while navigating landscapes is important for understanding behavioral ecology and guiding management and conservation decisions. However, habitat selection may be spatially and temporally plastic, making it challenging to quantify how species use resources across space and time.ObjectivesWe investigated how landscape context and dispersal shape habitat selection at multiple spatial scales in white-tailed deer (Odocoileus virginianus).MethodsUsing step-selection functions, we quantified habitat selection of landcover and topographic covariates at three spatial scales for juvenile males during three movement periods (before, during, after dispersal) in two regions of Missouri, USA—a fragmented, low forest cover region with rolling hills, and a forested, topographically variable region.ResultsAlthough selection for forest cover increased after dispersal in both regions, deer selected forest cover at smaller spatial scales in the fragmented, low forest cover region. This result indicates scale of selection was dependent on forest availability and configuration with deer likely perceiving landscapes differently across their distribution. Functional responses to topography differed in magnitude and direction between regions with deer avoiding roads and selecting valleys in the rolling hills region (especially during dispersal) while showing no response to roads and selecting for ridgelines (during dispersal) in the topographically variable region. This result suggests movement behavior is strongly dependent on topography.ConclusionsAlthough deer may select similar habitats among regions, landscape context and movement period shape the scale, strength, and direction of selection. This result has important implications for how animals use landscapes across different regional contexts.

Regional Geological and Tectonic Environment and Evolutionary Characteristics of the Yangbajing-Gedaxiang Basin,Tibet

Gedaxiang Basin in Tibet is located in the south-eastern section of Gangdisi structural belt, with a typical geological and tectonic environment and a commonly developed tectonic pattern in plateau area. By studying the structural geological environment of Geda Township area and analyzing its internal geology, it can be seen that: (1) Six large-scale faults developed in the area control the basic geological and tectonic structure of the working area and affect the spatial structure of the area; The fault development direction is mainly north-south, mostly brittle faults at shallow surface level, and a few of them are east-west orientated. Most of the faults in the region are caused by the development of geological and tectonic activities in the Himalayan period, and the ones that developed later are the north-south oriented positive faults formed by the extension movement in the late Himalayan period. (2) There are three periods of tectonic environment evolution in the area of the evolutionary history, since Jurassic: the first period is the late Yanshan period, tectonic activity for the extrusion environment, the formation of north-south fold deformation under the compression environment; The second stage is early to middle mountain stage, which formed large scale EW-trending nappe structure and thrust fault, and the regional stress background is compressional environment. The third stage is the late Alpine stage, forming a series of tectonic systems of grabens and normal faults with SN strike, which were mainly formed by geological activities under the extensional system. The results of this study provide a reference for distinguishing the trace of geological rock group in the tectonic evolution of the Himalayan tectonic period.

Penggunaan Metode Diskusi Kelompok Kecil Tentang Kontribusi Etnis Tionghoa Pada Masa Pergerakan Nasional Untuk Menumbuhkan Sikap Toleransi Peserta Didik

This article aims to (1) determine the position of the Chinese ethnic group during the reign of the Dutch East Indies, (2) discuss the contribution of the Chinese ethnic group in fighting for Indonesian independence during the national movement period, and (3) determine the relationship between the contribution of the Chinese ethnic group during the national movement period and the growth of attitudes student tolerance. This article was conducted using a qualitative method with a literature study approach. The research results from this article show that the Chinese ethnicity, which has always been seen as an ethnic group that has close ties to the Dutch, has a low sense of Indonesian nationalism, and prioritizes their own interests, has made a major contribution in fighting for Indonesian independence. Where the educational reforms carried out by the Chinese elite gave birth to educated people who were then involved in various fields, both journalistic and political, to fight for the fate of the people and for Indonesian independence during the period of the national movement. Through the small group discussion method, history teachers can discuss the contribution of the Chinese ethnicity during the national movement to foster students' tolerance. As for the implementation of history learning using the small discussion group method, the history teacher should carry out several activities including preliminary, core and closing activities. Also, the history teacher conducts an evaluation to find out the tolerance attitude of students.

Perjuangan Dewi Sartika Dalam Meningkatkan Mutu Pendidikan Wanita Sunda

This study aims to find out information about Dewi Sartika's struggle to improve the quality of women's education in the Sunda region. The development of women's organizations during the period of the national movement in Indonesia began in 1904 in the city of Bandung which was marked by the establishment of Kaoetamaan Istri, this organization was pioneered by Dewi Sartika. The purpose of the establishment of the Kaoetamaan Wife organization is to provide knowledge to women so they can read, write, count, and also have household skills. On January 16, 1904, Dewi Sartika founded a special school for women, named Sakola Wife. Then the name changed to Kaeotamaan Wife School, this school is growing. As the vision said by Dewi Sartika in Sundanese "Mun so awewe must have skills, kudu can do everything, ambeh can breathe", which means in Indonesian, namely "If you become a woman, you have to do everything in order to live". Therefore, this is important to know so that women are always educated so that they can develop in a better direction. This study uses qualitative methods in searching related data, in the form of data obtained from relevant journals and books. The results of the study can be concluded that Raden Dewi Sartika is someone who thinks big about justice and dares to be responsible for the decisions he chooses. Her noble aspiration to lead women to progress and not stop learning was realized in the establishment of an educational institution for women from which came to bring change and impart knowledge.

Comparative evaluation of two methods of prolonged femoral nerve block using an elastomeric pump after knee arthroplasty: a prospective randomized controlled study

BACKGROUND: The number of knee arthroplasty (KA) surgeries is increasing annually. These surgeries are associated with severe pain. The optimal method of choice in perioperative analgesia in these patients remains controversial. The use of regional analgesia, including prolonged analgesia, allows for high pain relief and increased patient satisfaction. Modern elastomeric pumps (EP) provide prolonged conduction analgesia, which significantly expands the possibilities of perioperative pain relief. OBJECTIVE: To evaluate the effectiveness of prolonged femoral nerve block using EP with and without bolus after KA. MATERIALS AND METHODS: This prospective randomized study included 75 patients who were divided into two clinical groups: group 1 (n=36), patients who received prolonged regional analgesia using EP with controlled injection without bolus, and group 2 (n=39), patients who received prolonged regional analgesia using EP with bolus. In the postoperative period, the level of pain at rest and during movement was assessed after 6, 12, 24, and 48 hours as well as the need for opioid analgesics, consumption of local anesthetic for various options of continued regional analgesia, quadriceps femoris muscle function, and distance traveled by patients after surgery in the first 2 days. RESULTS: No significant differences were noted in pain level at rest and during movement in the observation period between the groups (p=0.213). No additional prescription of opioid analgesics was required. Local anesthetic consumption was lower in group 2 (group 1.384±33.4 ml; group 2.237±25.1 ml; p=0.031). Patients in group 2 had greater activity in knee extension and, thus, greater distance traveled after surgery. CONCLUSION: The use of EP with a bolus has been demonstrated to provide adequate levels of analgesia and better functional recovery in patients with bolus after KA than in patients without bolus. This technique is recommended as a component of enhanced recovery program after surgery.

Alternative vegetation trajectories through passive habitat rewilding: opposite effects for animal conservation

ContextPassive habitat rewilding after rural abandonment can affect wildlife differently depending on the type of habitats that it generates.ObjectiveEvaluate and compare the effects of two alternative vegetation trajectories that occur through passive habitat rewilding in Mediterranean ecotone areas (crop-scrub and crop-pine forest transitions) on the long-term population dynamics of animal species.MethodsWe used the spur-thighed tortoise (Testudo graeca), a characteristic long-lived species of cultural landscapes, as study species. We applied a spatially explicit and individual-based model (STEPLAND) to simulate the movement and demographic processes in a long-term period, by comparing an “impact scenario” (i.e., historical land-use changes) to a “control scenario” (no land-use changes).ResultsThe two landscape scenarios resulted in different population trends. In the crop-scrub scenarios (control and impact), population densities increased similarly over time. However, the crop-pine forest scenario negatively affected population density throughout the simulation period, and showed a time-lag response of three decades. The extinction risk was 55% with a time-lag response of approximately 110 years.ConclusionsOur study highlights the need to analyse the legacy effects on long-lived ectotherms, using them as a proxy to understand the future effects of dynamic landscapes created by “passive habitat rewilding”. Our results showed how traditional agriculture in Mediterranean ecotone areas may generate “ecotone effects” (i.e. increase in demographical parameters), but also population extinction on long-lived ectotherms. Therefore, we consider it relevant to maintain traditional agricultural areas in Mediterranean landscapes, especially in ecotone areas associated with pine forests (generating mosaics with open habitats).

Diffusivity and bias movement velocity of Cryptolestes ferrugineus (Coleoptera: Laemophloeidae) adults under different temperature and moisture differences

Understanding the movement of stored products insects is crucial to determine and predict their distribution in grain bins. The present work focuses on the determination of the diffusivity and bias movement velocity of Cryptolestes ferrugineus (Stephens) adults by using published data from our previous studies. The published data were collected under different storage conditions: different temperature differences (0 to 20 °C) and different moisture differences (1.0, 2.5, 3.0, or 5.0 percentage points (pp)) using 1 or 2 m columns for 24, 48, or 72 h movement periods. A transport equation and finite different methods were used to calculate the diffusivity and bias movement velocity of the adults. Results showed that the adult diffusivity was directly proportional to temperature difference while inversely related to moisture difference, column length, and movement period. The effect of temperature or moisture differences on diffusivity and bias movement velocity were significantly different for their synergistic or/and antagonistic interactions. Diffusivity of 1.6 × 10−3 m2/h was obtained for 5 pp moisture difference when high moisture wheat was placed at distance of 0.45 m on both sides of grain column. Similarly, for a 5 °C temperature difference, the diffusivity was 1.89 × 10−3 m2/h during 24 h in 2 m column. The bias movement velocity decreased significantly in 2 m columns compared to 1 m columns under all temperature differences in any movement periods (24, 48, or 72 h) except 20 °C temperature difference and 72 h. The synergism among the temperature and moisture was greater than their antagonistic effects during conditions of 5 °C temperature difference and 5 pp moisture difference when wet wheat was placed at 0.25 or 0.45 m. Overall, the calculated diffusivity was 3 to 3.7 × 10−3 m2/h in a heterogeneous environment. These findings are useful for three-dimensional modeling of insect movement, design and development of insect monitoring tools, and determination of sampling frequency and locations.

Peculiarities of bacteriosis development in agrocenosis of pome fruit orchards

Goal. Was to determine ssources of bacterium diseases of pome fruits in agrocenoses and their seasonal development study and factors, which impacts on plants defeating level.&#x0D; Methods. Field (route, selective and continuous studies) and laboratory (extracting pure bacterium cultures, determining pathogenicity, identifying through the sum of morpho-cultural and their physiological and biochemical features).&#x0D; Results. There were determined the defeating peculiarities of pome fruits by bacteriosis defeating on pome fruits during the investigation in 2011—2015 and 2021—2023. Their causative agents was conformed by bacterium extraction from plant material. The most intensive bacterial necrosis happened in spring, during the period of juice intensive movement, when the tree is the most favorable to defeating. The defeating observed only on some shoots in summer (to 5% from the volume of tree crown), but the cancer development continued on the trunk’s bark. The first symptoms of fire blight observed during blossoming and at the beginning of fruit setting. The full picture opened during the shoots’ active growth. The shoots` defeating level was in the scope of 3—12% and only on some trees reached 15—18%. The fire blight strong defeat (to 55% of crown tree) observed in 2015 through the mass propagation pear-tree psylla. New fire blight sources were not identified in Chernivtsi region in 2021—2023.There were only presence of bacterial necrosis causative agent.&#x0D; Conclusions. The bacteriosis defeating determined and researched in plantations Chernivtsi and Vinnytsia regions. The highest fire blight defeating level (to 55% of crown) connected with mass propagations of pear-tree psylla. It is the main pathogen carrier. The bacterium necroses defeating depends upon the weather conditions of weather period and following the necessary level of agrotechnical measures. The investigation scheme for pome fruits bacteriosis determined developed with phenological phases terms considerations and periods of the most plants susceptibility to phytopathogens defeating.

‘Drivin' with your eyes closed’: Results from an international, blinded simulation experiment to evaluate spatial stock assessments

AbstractSpatial models enable understanding potential redistribution of marine resources associated with ecosystem drivers and climate change. Stock assessment platforms can incorporate spatial processes, but have not been widely implemented or simulation tested. To address this research gap, an international simulation experiment was organized. The study design was blinded to replicate uncertainty similar to a real‐world stock assessment process, and a data‐conditioned, high‐resolution operating model (OM) was used to emulate the spatial dynamics and data for Indian Ocean yellowfin tuna (Thunnus albacares). Six analyst groups developed both single‐region and spatial stock assessment models using an assessment platform of their choice, and then applied each model to the simulated data. Results indicated that across all spatial structures and platforms, assessments were able to adequately recreate the population trends from the OM. Additionally, spatial models were able to estimate regional population trends that generally reflected the true dynamics from the OM, particularly for the regions with higher biomass and fishing pressure. However, a consistent population biomass scaling pattern emerged, where spatial models estimated higher population scale than single‐region models within a given assessment platform. Balancing parsimony and complexity trade‐offs were difficult, but adequate complexity in spatial parametrizations (e.g., allowing time‐ and age‐variation in movement and appropriate tag mixing periods) was critical to model performance. We recommend expanded use of high‐resolution OMs and blinded studies, given their ability to portray realistic performance of assessment models. Moreover, increased support for international simulation experiments is warranted to facilitate dissemination of methodology across organizations.

Dynamic Interplay: Unveiling the Biosphere-Geosphere Nexus in Carbon Cycling

A model describing the interaction of geological and biosphere processes is proposed. It is based on the postulate of the gravitational effect of the bodies of the solar system on the lithosphere plates' movement through magma flows and deep breathing of the Earth. The continuous movement of the plates consist of orogenic cycles. The cycles include a short-term orogenic periods of relatively fast plates' movement and long-term geosynclinal periods of relatively slow movement. The fast movement is caused by rifting, when magma breaks through the thin shell of the lithosphere and hardens in contact with sea water, forming a new plate. During the orogenic period, oceanic plates collide with the continental margin plate in the subduction zone. The energy of the collisions initiates thermochemical sulfate reduction, in which sedimentary organic matter (OM) is oxidized. The resulting CO2 rises to the surface of the Earth, spreads over the planet, initiating photosynthesis. In the geosynclinal period due to the slow plates' movement the released collision energy is insufficient to initiate thermochemical sulfate reduction.

Characteristics of ADHD Symptoms and EEG Theta/Beta Ratio in Children With Sleep Disordered Breathing.

Objectives. This study aimed to explore parent-reported symptoms of attention deficit-hyperactivity disorder (ADHD) and sleep electroencephalogram (EEG) theta/beta ratio (TBR) characteristics in children with sleep disordered breathing (SDB). Methods. The parents of children (aged 6-11 years) with SDB (n = 103) and healthy controls (n = 28) completed the SNAP-IV questionnaire, and children underwent overnight polysomnography. Children with SDB were grouped according to obstructive apnea/hypopnea index: primary snoring, mild, and moderate-severe obstructive sleep apnea (OSA) groups. The TBR in non-rapid eye movement (NREM) periods in three sleep cycles was analyzed. Results. Children with SDB showed worse ADHD symptoms compared with the healthy control. There was no intergroup difference in TBR. The time-related decline in TBR observed in the control, primary snoring and mild OSA groups, which was not observed in the moderate-severe OSA group. Overnight transcutaneous oxygen saturation was negatively associated with the hyperactivity/impulsivity score of ADHD symptom. The global TBR during the NREM period in the first sleep cycle was positively correlated with inattention score. Conclusion. Children with SDB showed more ADHD inattention symptoms than the healthy control. Although we found no difference in TBR among groups, we found significant main effect for NREM period. There existed a relationship between hypoxia, TBR, and scores of ADHD symptoms. Hence, it was speculated that TBR can reflect the nocturnal electrophysiological manifestations in children with SDB, which may be related to daytime ADHD symptoms.