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J "Ross Fiziol Zh Im I M Sechenova". 2002, Oct; 88(10):1309-16.
The role of substantia nigra in the cognitive activity in cats. Brain Institute of Russian Academy of Medical Sciences, 105064, per. Obukha 5, Moscow, Russia.
The role of the substantia nigra in cognitive processes of different levels of complexity was studied using an original method. Neurosurgical or neurochemical exclusion of the substantia nigra in cats led to significant impairment of conditioned reflex activity, generalization and abstraction processes; these recovered with pharmacological treatment directed to the dopaminergic system, with partial recovery after treatment directed to the GABA-ergic and cholinergic systems. Treatment directed to the serotoninergic system was ineffective.
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