期刊
PSYCHOLOGICAL SCIENCE
卷 16, 期 3, 页码 228-235出版社
SAGE PUBLICATIONS INC
DOI: 10.1111/j.0956-7976.2005.00808.x
关键词
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资金
- NEI NIH HHS [R01 EY007760, EY 07760, EY 07135, T32 EY007135] Funding Source: Medline
When the senses deliver conflicting information, vision dominates spatial processing, and audition dominates temporal processing. We asked whether this sensory specialization results in cross-modal encoding of unisensory input into the task-appropriate modality. Specifically, we investigated whether visually portrayed temporal structure receives automatic, obligatory encoding in the auditory domain. In three experiments, observers judged whether the changes in two successive visual sequences followed the same or different rhythms. We assessed temporal representations by measuring the extent to which both task-irrelevant auditory information and task-irrelevant visual information interfered with rhythm discrimination. Incongruent auditory information significantly disrupted task performance, particularly when presented during encoding; by contrast, varying the nature of the rhythm-depicting visual changes had minimal impact on performance. Evidently, the perceptual system automatically and obligatorily abstracts temporal structure from its visual form and represents this structure using an auditory code, resulting in the experience of hearing visual rhythms.
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