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Validating a standardised test battery for synesthesia: Does the Synesthesia Battery reliably detect synesthesia?

D A Carmichael1, M P Down2, R C Shillcock3

  • 1Dept. of Psychology, University of Edinburgh, 7 George Square, EH8 9JZ, UK; Institute for Adaptive & Neural Computation, University of Edinburgh, 10 Crichton Street, EH8 9AB, UK; Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, EH10 5HF, UK; School of Psychology, University of Sussex, Falmer BN1 9QH, UK.

Consciousness and Cognition
|March 4, 2015
PubMed
Summary
This summary is machine-generated.

The Synesthesia Battery accurately identifies grapheme-colour synesthesia prevalence (1.2%) in the general population, matching long-term testing results.

Keywords:
AssessmentConsistencyGrapheme-colourPrevalenceSynesthesiaTestValidation

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Area of Science:

  • Neuroscience
  • Psychology

Background:

  • Synesthesia is a neurological condition involving unusual sensory experiences.
  • Long-term consistency testing is the standard for synesthesia diagnosis.
  • Eagleman's online Synesthesia Battery (2007) assesses synesthesia within a single session.

Purpose of the Study:

  • To validate the online Synesthesia Battery against conventional long-term testing.
  • To determine the prevalence of grapheme-colour synesthesia in the general population.

Main Methods:

  • Recruited 2847 participants for The Synesthesia Battery.
  • Assessed consistency of synesthetic experiences within a single session.
  • Compared results to established long-term assessment methods.

Main Results:

  • Prevalence of grapheme-colour synesthesia was found to be 1.2%.
  • This prevalence aligns with previous estimates from long-term testing.
  • The Synesthesia Battery demonstrated consistent results with traditional methods.

Conclusions:

  • The Synesthesia Battery is a valid tool for assessing synesthesia.
  • The online battery provides reliable prevalence data for grapheme-colour synesthesia.
  • This study validates a widely used, time-efficient synesthesia assessment tool.