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Automaticity of pitch class-color synesthesia as revealed by a Stroop-like effect.

08:00 EDT 9th April 2019 | BioPortfolio

Summary of "Automaticity of pitch class-color synesthesia as revealed by a Stroop-like effect."

Pitch classes (e.g., do, re, and mi) in music evoke color sensations in pitch class-color synesthesia, which is a recently described form of synesthesia in musicians. The synesthetic color sensations were confirmed to be consistent over an extended time interval, fulfilling a widely-accepted criterion for the authenticity of synesthesia. However, it remains unclear whether the color sensations occurred automatically (i.e., without voluntary effort), which is another defining property of synesthesia. We utilized the Stroop paradigm to investigate this issue in 10 pitch class-color synesthetes. Participants were visually presented with pitch class names in font colors that were either congruent or incongruent with the participants' own color sensations. The speed for reporting the font color was slower when it was incongruent with the synesthetic sensation than when it was congruent. The finding verifies the authenticity of pitch class-color synesthesia by demonstrating that the color sensations occur automatically, even when unnecessary.

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This article was published in the following journal.

Name: Consciousness and cognition
ISSN: 1090-2376
Pages: 86-91

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