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Character of conditioned reaction of passive avoidance was analyzed in Wistar line male rats after neurochemical destruction of terminal dopaminergic fields of the amygdalar complex. 6-hydroxydopamine was bilaterally administered to the central nucleus of the amygdalar complex after preliminary treating with desmethylimipramine for selective destruction of dopaminergic terminals. Lowering of dopamine level in the amygdalar complex led to a weakening of reproduction and to prolongation of spontaneous extinction of conditioned reaction. Features of conditioned reaction are highly similar to the effect of latent inhibition connected with attention deficit. It is suggested that activity of terminal fields of the amygdalar complex is one of the mechanisms providing for attention and intensifying selection of information in learning.
L V Loskutova, and
M A Gilinskiĭ
January 1990,
Biulleten' eksperimental'noi biologii i meditsiny,
L V Loskutova, and
M A Gilinskiĭ
January 1976,
Zhurnal vysshei nervnoi deiatelnosti imeni I P Pavlova,
L V Loskutova, and
M A Gilinskiĭ
January 1981,
Zhurnal vysshei nervnoi deiatelnosti imeni I P Pavlova,
L V Loskutova, and
M A Gilinskiĭ
January 1999,
Neuroscience and behavioral physiology,
L V Loskutova, and
M A Gilinskiĭ
January 1986,
Neuroscience and behavioral physiology,
L V Loskutova, and
M A Gilinskiĭ
April 1992,
Biulleten' eksperimental'noi biologii i meditsiny,
L V Loskutova, and
M A Gilinskiĭ
January 1998,
Zhurnal vysshei nervnoi deiatelnosti imeni I P Pavlova,
L V Loskutova, and
M A Gilinskiĭ
January 1979,
Zhurnal vysshei nervnoi deiatelnosti imeni I P Pavlova,
L V Loskutova, and
M A Gilinskiĭ
January 1977,
Neuroscience and behavioral physiology,
L V Loskutova, and
M A Gilinskiĭ
December 1973,
Archivio di fisiologia,
