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Yıl:2012; Cilt: 23; Sayı: 3>> Özet
TAM METİN
Türk Psikiyatri Dergisi; 2012;23(3):171-177
Antisosyal Bireylerde Sağ Yarı Uzaya İlişkin Görsel Dikkat Bozukluğuyla Öfkenin İlişkisi
B Baskak, HD Özgüven, ETÖ Kızıl, D Erkan, E Koç, G Gedik
Ankara Üniversitesi
Amaç: Antisosyal kişilik bozukluğu (AKB) olan bireylerde işitsel ve görsel dikkat testlerinde sağ hemisfer avantajıyla belirli bir asimetri azalması olduğu gösterilmiştir. Dikkat asimetrisinin klinik belirtilerle ilişkisi ise açık değildir. Bu çalışmanın amacı AKB olan bireylerde iki yarı uzaya ait görsel dikkatin çeşitli öfke boyutlarıyla ilişkisinin araştırılmasıdır.

Yöntem: Elli iki erkek AKB olgusu ve AKB’si olmayan 34 sağlıklı erkek gönüllüye görsel uzaysal dikkati sağ ve sol yarı uzaylarda ayrı ayrı değerlendiren Çizgi Bölme Testi’nin bilgisayar formu uygulanmıştır. Ayrıca, her iki grup, öfkenin çeşitli boyutlarının derecesi bakımından Çok Boyutlu Öfke Ölçeği (ÇBÖÖ) ile karşılaştırılmıştır.

Bulgular: AKB grubunda sağ yarı uzaya ilişkin görsel dikkat performansının kontrol grubundan daha düşük olduğu bulunmuştur. AKB grubu ÇBÖÖ’nün tüm boyutlarında kontrol grubundan daha yüksek puan almıştır. AKB grubunda sağ yarı uzaya ilişkin görsel dikkat bozukluğunun öfke belirtilerini ve öfkeye ilişkin düşünceleri yordadığı gözlenmiştir. Kontrol grubunda ise dikkat performansıyla öfke boyutları arasında böyle bir ilişki saptanmamıştır.

Sonuç: Bulgularımız AKB’de sol hemisfer odaklı bir nöro-patolojiye ya da hemisferler arası bir bağlantı kusuruna işaret etmektedir. Antisosyal kişilik bozukluğunda, sağ yarı uzaya ilişkin görsel dikkat bozukluğu, nöro-patoloji ile öfkenin bedensel ve sürekli bileşenleri arasındaki ilişkiye aracılık ediyor olabilir.
The Relationship between Right Hemi-Space Visuospatial Attention Disturbance and Anger in Antisocial Individuals
Objective: Evidence suggests that individuals with antisocial personality disorder (APD) exhibit a less asymmetric pattern than healthy controls during auditory and visuospatial attention tasks characterized by a right hemispheric advantage; however, the association between attention asymmetry and symptomatology is not clear. The present study aimed to examine the relationship between visuospatial attention in the right and left hemi-spaces, and various dimensions of anger in individuals with APD.

Materials and Methods: We compared visuospatial attention performance in the right and left hemi-spaces during a computerized Line Bisection Test (LBT) in individuals with APD (n = 52) and healthy controls (n = 34). We also administered the Multi-Dimensional Anger Scale (MDAS) to both groups.

Results: Subjects in the APD group made larger bisection errors than healthy controls only during the right hemi-space condition and had higher scores than those in the control group on all MDAS dimensions of anger. The severity of anger symptoms and thoughts were predicted by right hemi-space visuospatial attention disturbance in the APD group, whereas no such association was observed in the control group.

Conclusion: The present findings either suggest a left hemisphere neuropathology or a disturbance in inter-hemispheric transmission in the APD group. Right hemi-space-specific visual attention disturbance may mediate the relationship between neuropathology, and somatic and trait dimensions of anger in APD.

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