Modality-general and modality-specific audiovisual valence processing

被引:5
作者
Gao, Chuanji [1 ]
Shinkareva, Svetlana, V [1 ]
机构
[1] Univ South Carolina, Inst Mind & Brain, Dept Psychol, Columbia, SC 29201 USA
关键词
Emotion; Affect; fMRI; Modality-general; Modality-specific; STRUCTURAL CONNECTIONS; REPRESENTATIONS; FACE; ARCHITECTURE; EXPRESSIONS; RESPONSES; NETWORKS; EMOTIONS; STIMULI; CORTEX;
D O I
10.1016/j.cortex.2021.01.022
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要
A fundamental question in affective neuroscience is whether there is a common hedonic system for valence processing independent of modality, or there are distinct neural sys-tems for different modalities. To address this question, we used both region of interest and whole-brain representational similarity analyses on functional magnetic resonance im-aging data to identify modality-general and modality-specific brain areas involved in valence processing across visual and auditory modalities. First, region of interest analyses showed that the superior temporal cortex was associated with both modality-general and auditory-specific models, while the primary visual cortex was associated with the visual-specific model. Second, the whole-brain searchlight analyses also identified both modality-general and modality-specific representations. The modality-general regions included the superior temporal, medial superior frontal, inferior frontal, precuneus, pre -central, postcentral, supramarginal, paracentral lobule and middle cingulate cortices. The modality-specific regions included both perceptual cortices and higher-order brain areas. The valence representations derived from individualized behavioral valence ratings were consistent with these results. Together, these findings suggest both modality-general and modality-specific representations of valence. (c) 2021 Elsevier Ltd. All rights reserved.
引用
收藏
页码:127 / 137
页数:11
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