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Temporal dissociation of neural activity underlying synesthetic and perceptual colors.


ABSTRACT: Grapheme-color synesthetes experience color when seeing achromatic symbols. We examined whether similar neural mechanisms underlie color perception and synesthetic colors using magnetoencephalography. Classification models trained on neural activity from viewing colored stimuli could distinguish synesthetic color evoked by achromatic symbols after a delay of ∼100 ms. Our results provide an objective neural signature for synesthetic experience and temporal evidence consistent with higher-level processing in synesthesia.

SUBMITTER: Teichmann L 

PROVIDER: S-EPMC8017966 | biostudies-literature |

REPOSITORIES: biostudies-literature

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