Dissociable networks for the expectancy and perception of emotional stimuli in the human brain

Felix Bermpohl, Alvaro Pascual-Leone, Amir Amedi, Lotfi B. Merabet, Felipe Fregni, Nadine Gaab, David Alsop, Gottfried Schlaug, Georg Northoff

研究成果: 雜誌貢獻文章

85 引文 (Scopus)

摘要

William James posited that comparable brain regions were implicated in the anticipation and perception of a stimulus; however, dissociable networks (at least in part) may also underlie these processes. Recent functional neuroimaging studies have addressed this issue by comparing brain systems associated with the expectancy and perception of visual, tactile, nociceptive, and reward stimuli. In the present fMRI study, we addressed this issue in the domain of pictorial emotional stimuli (IAPS). Our paradigm involved the experimental conditions emotional expectancy, neutral expectancy, emotional picture perception, and neutral picture perception. Specifically, the emotional expectancy cue was uncertain in that it did not provide additional information regarding the positive or negative valence of the subsequent picture. Neutral expectancy and neutral picture perception served as control conditions, allowing the identification of expectancy and perception effects specific for emotion processing. To avoid contamination of the perception conditions by the preceding expectancy periods, 50% of the pictorial stimuli were presented without preceding expectancy cues. We found that the emotional expectancy cue specifically produced activation in the supracallosal anterior cingulate, cingulate motor area, and parieto-occipital sulcus. These regions were not significantly activated by emotional picture perception which recruited a different neuronal network, including the amygdala, insula, medial and lateral prefrontal cortex, cerebellum, and occipitotemporal areas. This dissociation may reflect a distinction between anticipatory and perceptive components of emotional stimulus processing.
原文英語
頁(從 - 到)588-600
頁數13
期刊NeuroImage
30
發行號2
DOIs
出版狀態已發佈 - 四月 1 2006

指紋

Brain
Cues
Gyrus Cinguli
Touch Perception
Occipital Lobe
Functional Neuroimaging
Visual Perception
Motor Cortex
Amygdala
Prefrontal Cortex
Reward
Cerebellum
Emotions
Magnetic Resonance Imaging

ASJC Scopus subject areas

  • Cognitive Neuroscience
  • Neurology

引用此文

Dissociable networks for the expectancy and perception of emotional stimuli in the human brain. / Bermpohl, Felix; Pascual-Leone, Alvaro; Amedi, Amir; Merabet, Lotfi B.; Fregni, Felipe; Gaab, Nadine; Alsop, David; Schlaug, Gottfried; Northoff, Georg.

於: NeuroImage, 卷 30, 編號 2, 01.04.2006, p. 588-600.

研究成果: 雜誌貢獻文章

Bermpohl, F, Pascual-Leone, A, Amedi, A, Merabet, LB, Fregni, F, Gaab, N, Alsop, D, Schlaug, G & Northoff, G 2006, 'Dissociable networks for the expectancy and perception of emotional stimuli in the human brain', NeuroImage, 卷 30, 編號 2, 頁 588-600. https://doi.org/10.1016/j.neuroimage.2005.09.040
Bermpohl F, Pascual-Leone A, Amedi A, Merabet LB, Fregni F, Gaab N 等. Dissociable networks for the expectancy and perception of emotional stimuli in the human brain. NeuroImage. 2006 4月 1;30(2):588-600. https://doi.org/10.1016/j.neuroimage.2005.09.040
Bermpohl, Felix ; Pascual-Leone, Alvaro ; Amedi, Amir ; Merabet, Lotfi B. ; Fregni, Felipe ; Gaab, Nadine ; Alsop, David ; Schlaug, Gottfried ; Northoff, Georg. / Dissociable networks for the expectancy and perception of emotional stimuli in the human brain. 於: NeuroImage. 2006 ; 卷 30, 編號 2. 頁 588-600.
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