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Related Concept Videos

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Synesthesia is a remarkable condition where stimulation of one sensory or cognitive pathway leads to automatic, involuntary experiences in a second sensory or cognitive pathway. People with synesthesia experience a blending or crossing of their senses, such as sight and sound, leading to cross-modal sensations. In this condition, the stimulation of one sense, such as hearing a number or musical note, triggers an experience of another sense, like sensing a specific color, taste, or smell. People...
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Training Synesthetic Letter-color Associations by Reading in Color
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Face-Processing Differences Present in Grapheme-Color Synesthetes.

Thea Mannix1, Thomas Alrik Sørensen1,2

  • 1Centre for Cognitive Neuroscience, Aalborg University.

Cognitive Science
|April 12, 2022
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Summary

Individuals with grapheme-color synesthesia show deficits in face recognition and processing. This study investigated atypical face-processing abilities in synesthetes compared to controls.

Keywords:
ExpertiseFace processingPerceptual strategiesSynesthesia

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Sensory Perception

Background:

  • Grapheme-color synesthesia involves an automatic color experience triggered by graphemes.
  • Previous research primarily focused on inducer-specific associations.
  • Emerging evidence suggests broader perceptual differences in synesthetes.

Purpose of the Study:

  • To investigate atypical face-processing abilities in individuals with grapheme-color synesthesia.
  • To compare face recognition and holistic face processing between synesthetes and controls.
  • To explore self-reported face recognition difficulties in synesthetes.

Main Methods:

  • 16 grapheme-color synesthetes and 16 matched controls participated.
  • Participants completed the Cambridge Face Memory Test (CFMT) and Vanderbilt Holistic Face Processing Task (VHPT-F).
  • A self-report questionnaire (Faces and Emotions Questionnaire) was also administered.

Main Results:

  • Synesthetes exhibited significantly poorer performance on the CFMT, with a reduced upright advantage.
  • Synesthetes showed reduced overall accuracy on the VHPT-F but maintained a comparable holistic processing advantage.
  • Synesthetes self-reported significantly worse face recognition abilities.

Conclusions:

  • Synesthetes demonstrate significant impairments in face recognition and processing compared to controls.
  • The findings suggest potential differences in the development of individualized perceptual strategies in synesthetes.
  • This study highlights a potential link between synesthesia and face perception deficits.