[Clinical aspects and follow-up of dopamine-induced psychoses in continuous dopaminergic therapy and their implications for the dopamine hypothesis of schizophrenic symptoms].
[Clinical aspects and follow-up of dopamine-induced psychoses in continuous dopaminergic therapy and their implications for the dopamine hypothesis of schizophrenic symptoms].
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Original abstract
We present the case reports of 11 Parkinsonian patients who developed acute psychosis under continuous dopaminergic stimulation. Psychopathologically, two of the patients mainly suffered from organic hallucinosis, while nine patients showed the clinical symptoms of delirium. The clinical course and psychopathological findings in these patients did not differ from other acute organic psychoses. However, the symptoms of these dopaminergically induced psychoses varied significantly from the psychopathological findings of paranoid schizophrenic patients who were regularly treated and evaluated in our clinic. These differences in symptoms and clinical course of dopamine-induced and schizophrenic psychosis do not support the hypothesis that the pathogenesis of schizophrenic symptoms can be explained only by a hyperfunction of dopaminergic transmission. Instead, the involvement of other neurotransmitter system must be considered in order to explain the pathogenesis of schizophrenic symptoms on a neurobiological level.