Temporal dissociation of neural activity underlying synesthetic and perceptual colors

Lina Teichmann*, Tijl Grootswagers, Denise Moerel, Thomas A. Carlson, Anina N. Rich

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

Grapheme-color synesthetes experience color when seeing achromatic symbols. We examined whether similar neural mechanisms underlie color perception and synesthetic colors using magneto-encephalography. 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.

Original languageEnglish
Article numbere2020434118
Pages (from-to)1-3
Number of pages3
Journal Proceedings of the National Academy of Sciences of the United States of America
Volume118
Issue number6
DOIs
Publication statusPublished - 9 Feb 2021

Bibliographical note

Copyright the Author(s) 2021. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

  • synesthesia
  • MEG
  • MVPA
  • color

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