Referential Coding Contributes to the Horizontal SMARC Effect
- Authors
- Cho, Yang Seok; Bae, Gi Yeul; Proctor, Robert W.
- Issue Date
- 6월-2012
- Publisher
- AMER PSYCHOLOGICAL ASSOC
- Keywords
- auditory compatibility; polarity coding; Simon effect; SMARC effect; SPARC effect
- Citation
- JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE, v.38, no.3, pp.726 - 734
- Indexed
- SCIE
SSCI
SCOPUS
- Journal Title
- JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE
- Volume
- 38
- Number
- 3
- Start Page
- 726
- End Page
- 734
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/108193
- DOI
- 10.1037/a0026157
- ISSN
- 0096-1523
- Abstract
- The present study tested whether coding of tone pitch relative to a referent contributes to the correspondence effect between the pitch height of an auditory stimulus and the location of a lateralized response. When left right responses are mapped to high or low pitch tones, performance is better with the high right/low left mapping than with the opposite mapping, a phenomenon called the horizontal SMARC effect. However, when pitch height is task irrelevant, the horizontal SMARC effect occurs only for musicians. In Experiment 1, nonmusicians performed a pitch discrimination task, and the SMARC effect was evident regardless of whether a referent tone was presented. However, in Experiment 2, for a timbre-judgment task, nonmusicians showed a SMARC effect only when a referent tone was presented, whereas musicians showed a SMARC effect that did not interact with presence/absence of the referent. Dependence of the SMARC effect for nonmusicians on a reference tone was replicated in Experiment 3, in which judgments of the color of a visual stimulus were made in the presence of a concurrent high- or low-pitched pure tone. These results suggest that referential coding of pitch height is a key determinant for the horizontal SMARC effect when pitch height is irrelevant to the task.
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