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3.
Artículo en Ruso | MEDLINE | ID: mdl-3673262

RESUMEN

The paper deals with the contribution of intracortical inhibitory processes to the organization of receptive fields in the vibrissae projection area of the somatosensory cortex. Inhibition blockade by means of microelectrophoretic application of picrotoxin and bicucullin was shown to lead to a loss of directional sensitivity of neurones. Activation of inhibition at remote glutamate application led to opposite changes: the neurones became directionally sensitive, and dependence was found between the spatial localization of activated neurones and the character of changes of detector parameters. Inhibitory processes caused by natural afferent stimulation led to similar changes of functional characteristics of neurones.


Asunto(s)
Inhibición Neural , Neuronas/fisiología , Corteza Somatosensorial/fisiología , Vibrisas/fisiología , Vías Aferentes , Animales , Bicuculina/farmacología , Mapeo Encefálico , Gatos , Femenino , Masculino , Estimulación Física , Picrotoxina/farmacología , Corteza Somatosensorial/anatomía & histología
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