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L V Cherenkova

Publications and source records attributed to L V Cherenkova.

25 records · Page 2Linked to original sources
PubMedDate not supplied

[Participation of the ventrolateral thalamic nucleus in organizing visually controlled movements in the cat].

The role of the ventro-lateral thalamic nucleus (VLN) in organization of visual-motor coordination in cats is being considered. It is shown, that VLN destruction leads to inability to form new visual-motor coordination and only temporarily worsens previously elaborated coordination. Ventral and dorsal parts of VLN participate in organization of various types of movement: destruction of the ventral part tells upon rapid ballistic movements, whereas destruction of the dorsal part leads to disturbances of slow tracing movements of animal's limb.

Animals↗
PubMedDate not supplied

[Formation of conditioned reflexes to a complex stimulus in the cat during early ontogeny].

Formation of conditioned reflexes to the simultaneous complex stimulus (light + tone) was studied in young kittens during the second and third months of their life. "Go-no-go"--paradigm was used. Kittens learned to differentiate between the complex stimulus versus its components. The rate formation of positive and inhibitory reflexes was compared in young kittens and adult cats. It was found that kittens were able to solve this task during the second and third months of their life. However, the formation rate of inhibitory reaction to different components of the complex stimulus increased between the second and third months.

Age Factors↗
PubMedDate not supplied

[Effect of damage to the associative zones of the neocortex on visuomotor coordination in cats].

The changes in characteristics of motor reactions, performed under constant visual control, were studied after lesion of separate associative zones in the cat neocortex. It was shown that the ability to perform a given task is impaired after local lesions of the sensorimotor cortex and extensive ablation of the parietal cortical areas. At the same time an increase of reaction temporal parameters is noted, which correlates with changes in the strategy of animal's search movements. Alone the ablation of the occipital areas does not impair the task performance. In case of local lesion of the parietal areas and the frontal pole of the cortex the preoperational level of task performance is preserved, but the time of search increases and the pattern of search movements is changed specifically for each cortical area.

Animals↗