کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4339429 | 1295753 | 2010 | 15 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Neural correlates to seen gaze-direction and head orientation in the macaque monkey amygdala
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کلمات کلیدی
basomedial nucleus of the amygdalaABMCrtSTSABLAmygdala - آمیگدال، بادامهanalysis of variance - تحلیل واریانسANOVA - تحلیل واریانس Analysis of varianceGaze direction - جهت نگاه کردنHead orientation - جهت گیری سرsuperior temporal sulcus - سوزن قارچی بالاSocial cognition - شناخت اجتماعیcathode ray tube - لامپ پرتوی کاتدیMonkey - میمونLateral nucleus of the amygdala - هسته جانبی آمیگدالbasolateral nucleus of the amygdala - هسته نزولی amygdalaanterior posterior - پست قبلی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
علوم اعصاب (عمومی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Human neuropsychological studies suggest that the amygdala is implicated in social cognition, in which cognition of seen gaze-direction, especially the direct gaze, is essential, and that the perception of gaze direction is modulated by the head orientation of the facial stimuli. However, neural correlates to these issues remain unknown. In the present study, neuronal activity was recorded from the macaque monkey amygdala during performance of a sequential delayed non-matching-to-sample task based on gaze direction. The facial stimuli consisted of two head orientations (frontal; straight to the monkey, profile; 30 degrees rightwards from the front) with different gaze directions (directed toward and averted to the left or right of the monkey). Of the 1091 neurons recorded, 61 responded to more than one facial stimulus. Of these face-responsive neurons, 44 displayed responses selective to the facial stimuli (face neurons). Most amygdalar face neurons discriminated both gaze direction and head orientation, and exhibited a significant interaction between the two types about information. Furthermore, factor analysis on the response magnitudes of the face neurons to the facial stimuli revealed that two factors derived from these facial stimuli were correlated with two head orientations. The overall responses of the face neurons to direct gazes in the profile and frontal faces were significantly larger than that to averted gazes. The results suggest that information of both gaze and head direction is integrated in the amygdala, and that the amygdala is implicated in detection of direct gaze.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Neuroscience - Volume 169, Issue 1, 11 August 2010, Pages 287-301
Journal: Neuroscience - Volume 169, Issue 1, 11 August 2010, Pages 287-301
نویسندگان
T. Tazumi, E. Hori, R.S. Maior, T. Ono, H. Nishijo,