Behavorial Assessment of Synesthetic Perception: Color Perception and Visual Imagery in Synesthesia
Gimmestad, Katherine Dawn
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This study examined vividness of visual mental imagery and color discrimination ability in synesthesia. It was hypothesized that participants with synesthesia would have higher overall scores on the Vividness of Visual Imagery Questionnaire (VVIQ) and participants with colored synesthetic experiences would have lower Total Error Scores (TES) on the Farnsworth Munsell 100-Hue test (FM 100 test). Results revealed a significant difference between groups on the FM 100 test [F(2,28) = 2.67, p =.03], with participants with colored synesthetic perceptions having lower TES scores (M = 20.40) than synesthetes without colored concurrents (M = 34.00) and participants without synesthesia (M = 34.63). An independent samples t-test revealed no significant differences between synesthetes and nonsynesthetes and overall VVIQ scores [t(30) = -1.46, p=.16]. These results indicate that synesthetes with colored concurrents may have better color discrimination ability than non-synesthetes and synesthetes without colored concurrents.
Table of Contents
Abstract -- List of Illustrations -- List of Tables -- Introduction -- Review of Literature -- Methodology -- Results -- Discussion -- Appendix A. Vividness of Visual Imagery Questionnaire (VVIQ) -- Appendix B. Diagnostic Synesthesia Screening Form -- Appendix C. SCNL Demographics Form -- Reference List -- Vita.