2014年8月
Population coding of affect across stimuli, modalities and individuals
NATURE NEUROSCIENCE
- ,
- ,
- ,
- 巻
- 17
- 号
- 8
- 開始ページ
- 1114
- 終了ページ
- 1122
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1038/nn.3749
- 出版者・発行元
- NATURE PUBLISHING GROUP
It remains unclear how the brain represents external objective sensory events alongside our internal subjective impressions of them-affect. Representational mapping of population activity evoked by complex scenes and basic tastes in humans revealed a neural code supporting a continuous axis of pleasant-to-unpleasant valence. This valence code was distinct from low-level physical and high-level object properties. Although ventral temporal and anterior insular cortices supported valence codes specific to vision and taste, both the medial and lateral orbitofrontal cortices (OFC) maintained a valence code independent of sensory origin. Furthermore, only the OFC code could classify experienced affect across participants. The entire valence spectrum was represented as a collective pattern in regional neural activity as sensory-specific and abstract codes, whereby the subjective quality of affect can be objectively quantified across stimuli, modalities and people.
- リンク情報
- ID情報
-
- DOI : 10.1038/nn.3749
- ISSN : 1097-6256
- eISSN : 1546-1726
- PubMed ID : 24952643
- Web of Science ID : WOS:000339641400018