Effect of risperidone on auditory event-related potentials in patients with chronic schizophrenia
Küçük Resim Yok
Tarih
2005
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
Objective: Cognitive deficits are major aspect and cause of disability in schizophrenia. Several neuropsychological studies have reported significant effects of atypical neuroleptics on cognitive functioning in patients with schizophrenia. Event-related potentials are objective assessments of human information processing, and provide a reliable method for evaluating the effects of psychotropic drugs. Methods: The study sample consisted of 7 subjects. They were outpatients at the Department of Psychiatry, İnönü University Hospital. The patients were diagnosed as having schizophrenia according to the DSM-IV on the basis of a structured psychiatric interview. The subjects were treated with risperidone. In order to examine the effects of risperidone on cognitive impairment in schizophrenia, event-related potentials (ERPs) were recorded before and after 6 weeks treatment ERPs were recorded using a standard oddball paradigm. The amplitudes and latencies of P300 component were measured in ERPs for target stimuli in the oddball task. Results: P300 latencies in Fz, Cz and Pz regions and amplitudes in Fz and Cz regions significantly decreased with risperidone treatment. Conclusion: These findings suggest that risperidone may speed up the information processing in schizophrenic patients.
Açıklama
Anahtar Kelimeler
Event-related potentials, P300, Risperidone, Schizophrenia, Therapy
Kaynak
Klinik Psikofarmakoloji Bulteni
WoS Q Değeri
Scopus Q Değeri
N/A
Cilt
15
Sayı
1
