When blue is larger than red: colors influence numerical cognition in synesthesia
| Autor: | David Edmund Johannes Linden, Gali Elinger, Avishai Henik, Noam Sagiv, Roi Cohen Kadosh, Lynn C. Robertson |
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| Jazyk: | angličtina |
| Rok vydání: | 2016 |
| Předmět: |
Adult
Cognitive Neuroscience media_common.quotation_subject Numerical cognition BF Cognition Perception Reaction Time medicine Humans Learning Synesthesia media_common Cognitive science Grapheme-color synesthesia medicine.disease Magnitude processing Form Perception Pattern Recognition Visual Colored RC0321 Female Psychology Color Perception Photic Stimulation Cognitive psychology |
| ISSN: | 0898-929x |
| Popis: | In synesthesia, certain stimuli (“inducers”) may give rise to perceptual experience in additional modalities not normally associated with them (“concurrent”). For example, color-grapheme synesthetes automatically perceive achromatic numbers as colored (e.g., 7 is turquoise). Although synesthetes know when a given color matches the one evoked by a certain number, colors do not automatically give rise to any sort of number experience. The behavioral consequences of synesthesia have been documented using Stroop-like paradigms, usually using color judgments. Owing to the unidirectional nature of the synesthetic experience, little has been done to obtain performance measures that could indicate whether bidirectional cross-activation occurs in synesthesia. Here it is shown that colors do implicitly evoke numerical magnitudes in color-grapheme synesthetes, but not in nonsynesthetic participants. It is proposed that bidirectional co-activation of brain areas is responsible for the links between color and magnitude processing in color-grapheme synesthesia and that unidirectional models of synesthesia might have to be revised. |
| Databáze: | OpenAIRE |
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