Journal / Book Title
Perception & Psychophysics
Stein, London, Wilkinson, and Price (1996) reported the presence of cross-modal enhancement of perceived visual intensity: Participants tended to rate weak lights as brighter when accompanied by a concurrent pulse of white noise than when presented alone. In the present study, two methods were used to determine whether the enhancement reflects an early-stage sensory process or a later-stage decisional process, such as a response bias. First, the enhancement was eliminated when the noise accompanied the light on only 25% versus 50% of the trials. Second, the enhancement was absent when tested with a paired-comparison method. These findings are consistent with the hypothesis that the sound-induced enhancement in judgments of brightness reflects a response bias, rather than an early sensory process—that is, enhancement is the result of a relatively late decisional process.
MSU Digital Commons Citation
Arieh, Yoav; Marks, Lawrence E.; and Odgaard, Eric C., "Cross-modal enhancement of perceived brightness: Sensory interaction versus response bias" (2003). Department of Psychology Faculty Scholarship and Creative Works. 20.
Odgaard, Eric C., Yoav Arieh, and Lawrence E. Marks. "Cross-modal enhancement of perceived brightness: sensory interaction versus response bias." Perception & psychophysics 65, no. 1 (2003): 123-132.
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