Abstract
AbstractAnimals with hippocampal lesions are evaluated as models for schizophrenia according to the criteria of (McKinney and Bunney 1969): similarity of inducing conditions, similarity of behavioral states, similarity of underlying neurobiological mechanisms, and reversibility by usual pharmacological treatment. Hippocampal-lesioned animals seem to comply adequately with McKinney and Bunney’s criteria because (a) schizophrenia might be the consequence of hippocampal damage resulting from anoxia or of hippocampal structural abnormalities induced by viral infection during pregnancy; (b) animals with hippocampal lesions share many of the characteristics of schizophrenics in both cognitive and psychophysiological processes; (c) hippocampal dysfunction seems to be present in schizophrenia; and (d) the effects of hippocampal lesions might be reversed by neuroleptics. The model seems to be able to reproduce several of the cognitive and psychophysiological symptoms of the disorder, offering a good experimental tool for the analysis of its inducing conditions, impaired neurobiological mechanisms, and clinical treatment.KeywordsConditioned StimulusNucleus AccumbensUnconditioned StimulusSchizophrenic PatientLatent InhibitionThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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