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Yıl:2013; Cilt: 23; Sayı: 1>> Özet
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Klinik Psikofarmakoloji Bülteni; 2013;23(1):8-13
Obsesif kompulsif bozuklukta dorsolateralprefrontal korteks hacmi değişmemiştir
H Özdemir, M Atmaca , H Yıldırım, MG Gürok
Bezmialem Vakıf Universty, İstanbuL
Obsesif kompulsif bozuklukta dorsolateral prefrontal korteks hacmi değişmemiştir Giriş: Dorsolateral prefrontal korteks (DLPFK), obsesif kompulsif bozuklukta (OKB) bozulduğu bildirilen yürütücü işlev, dikkat, sözel olmayan bellek ve görseluzamsal bellekle ilişkili olan önemli bir prefrontal alandır. Dahası, OKB’de DLPFK’da nörokimyasal değişme bildirilmiştir. Yöntem: Bu manyetik rezonans görüntüleme (MRG) çalışmasında, OKB’li hastalarda DLPFK hacimleri elle ölçme yöntemiyle ölçüldü ve sağlıklı kontrollerle kar- şılaştırıldı. Bulgular: Ortalama DLPFK hacimleri açısından hasta ve kontrol grupları arasında anlamlı farklılık gözlenmemiştir. Sonuç: Bu çalışma, bazı kısıtlılıklar içerse de OKB’de DLPFK hacimlerinin değişmediğini, OKB’deki yürütücü işlev bozuklukları ve DLPFK’daki nörokimyasal değişikliklerin DLPFK hacim değişiklikleriyle ilişkili olmayabileceğini ortaya koymuştur.
Dorsolateral Prefrontal Cortex Volumes Remained Unchanged in Obsessive Compulsive Disorder
Dorsolateral prefrontal cortex volumes remained unchanged in obsessive compulsive disorder Background: The dorsolateral prefrontal cortex (DLPFC) is an important prefrontal section of cortex, associated with executive functions, attention, nonverbal memory, and visuospatial skills, which have been reported to be disabled in OCD. In addition, neurochemical alterations of the DLPFC have been reported in OCD. Methods: This magnetic resonance imaging (MRI) study used manual tracing to measure DLPFC volumes in OCD patients arelative to healthy controls. Results: The mean DLPFC volumes of the patients with OCD were not statistically different compared to those of healthy control subjects. Conclusion: Based on our finding that DLPFC volumes remained unchanged in patients with OCD, despite some limitating factors, the present study suggests that there may not be an underlying structural basis for neurochemical changes of the DLPFC as well as executive function disorders in OCD.

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