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Yıl:2016; Cilt: 53; Sayı: 4>> Özet
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Nöropsikiyatri Arşivi; 2016;53(4):357-360
Yetmiş İki Saatlik Uyku Deprivasyonunun Iowa Kumar Testi Üzerindeki Etkisi
L Liu, R Zhou
Ningbo University, Ningbo, China
Amaç: Uyku deprivasyonunun karar verme dahil, bilişsel süreçler üzerinde zararlı etkileri vardır. Bu çalışmada olaya ilişkin potansiyeller teknolojisi kullanarak,72 saatlik uyku deprivasyonunun Iowa kumar testinde bireysel nöral performansı nasıl etkilediği araştırılmıştır. Yöntemler: Çalışmamıza katılan 11 sağlıklı yetişkin erkek hasta, 72 saatlik sosyal izolasyon veya 72 saatlik uyku deprivasyonu grubuna randomize edildi. Bulgular: Elde edilen sonuçlara göre, geri besleme aşamasında, N250–400 amplitüdü test öncesi durum ile kıyaslandığında, uyku deprivasyonu durumunda test sonrası, özellikle frontal kortekste, daha küçüktü. Sosyal izolasyon durumunda, test öncesi ve test sonrası durum arasında anlamlı farklılık bulunmadı. Sonuç: Bu sonuçlar, 72 saatlik uyku deprivasyonunun bir bireyin geri bildirim uyaranlarına verdiği yanıtı etkilediğini ve kişinin uyaranları yavaş değerlendirmesine yol açtığını ortaya koymuştur.
Effect of 72 h of Sleep Deprivation on the Iowa Gambling Task
Introduction: Sleep deprivation has detrimental effects on cognitive processes, including decision making. The present study investigated how 72 h of sleep deprivation influenced individual neural performance in the Iowa gambling task using event-related potential technology. Methods: Eleven healthy male adults who participated in our study were randomized to be either in group with 72 h of social isolation condition or 72 h of sleep deprivation condition. Results: Results showed that, in the feedback stage, the N250–400 amplitude was smaller in post-test than in pre-test for the sleep deprivation condition, especially in the frontal cortex. No significant difference between the pre-test and post-test condition was found in the social isolation condition. Conclusion: These results suggested that 72 h of sleep deprivation affected an individual’s response to feedback stimuli, causing the individual to evaluate the stimuli slowly.

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