Abstract
Testing the state of associative memory using the paired associates method revealed a significant decrease in the effectiveness of associative memorization in veterans of the Anti-Terrorist Operation (ATO) / Joint Forces Operation (JFO) with traumatic brain injuries, as evidenced by a larger number of errors made by them and a longer duration of their passing the test compared to the subjects of the control group. In the examined control group, the formation of associative memory was provided by a consistent system of top-down and bottom-up control of memorizing associative pairs of words and forming their images in both right and left hemispheres, while in veterans of the ATO/JFO with traumatic brain injuries in the formation of associative memory was more involved the left hemisphere than the right one, which indicated the overwhelming contribution of the semantic analysis of words to the formation of a connection between them. After the presentation of the first word of an associative pair, the retrieval of the second word in the control group provided a balanced neural network in the right and left hemispheres. At the same time, increased activity in the left hemisphere and the corresponding neural network in the low-frequency range were found in the group with traumatic brain injuries, which indicated a greater involvement of verbal semantic analysis of words when reproducing the second word. At the same time, the lack of synchronization in the beta-range in the central-parietal zone may indicate a deterioration of the postretrieval processes that ensure the processes of inhibition after recalling the corresponding words. Thus, in the control group, when memorizing associative pairs of words, coordinated processes of perception of individual words, their recognition, semantic analysis and the formation of semantic connections between them and their connections with the corresponding images were found, which is a reflection of coordinated inter-hemispheric information processes while subjects with traumatic brain injuries predominantly relied on the phonetic and semantic aspects of associative word pairs.
Highlights
Урочище "Феофания" расположено на окраине Киева и представляет сообщества коренной дубравы с высокой плотностью вековых деревьев и производных грабового леса, остепненным лугом, культурфитоценозами, каскадом прудов, ручьем
The local landscape Feofaniya is located on the outskirts of the Kyiv and represents communities of native oak wood with high density of ancient trees and hornbeam forest, steppe meadow, culture phytocenoses, cascade of ponds, stream
In 81% of animal species, the reproductive site passes through the tract, and in half of them the whole life cycle. 19 % of the species composition of birds (Aves) are sedentary, 58 % arrive for nesting, 12 % for feeding, 9 % for wintering, 2 % for migratory (Regulus ignicapillus, Nucifraga caryocatactes). 82.8 % of mammals (Mammalia) are sedentary, 10.3 % are migratory (Pipistrellus nathusii, Pipistrellus pygmaeu, Nyctalus leisleri), 6.9 % with unexplained status (Neovison vison, Capreolus capreolus)
Summary
Урочище "Феофания" расположено на окраине Киева и представляет сообщества коренной дубравы с высокой плотностью вековых деревьев и производных грабового леса, остепненным лугом, культурфитоценозами, каскадом прудов, ручьем.
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Schedule a callMore From: Bulletin of Taras Shevchenko National University of Kyiv. Series: Biology
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