Benefits of Stimulus Congruency for Multisensory Facilitation of Visual Learning
Kim, Robyn S.
Seitz, Aaron R.
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CitationKim, Robyn S., Aaron R. Seitz, Ladan Shams. "Benefits of Stimulus Congruency for Multisensory Facilitation of Visual Learning" PLoS ONE3(1): e1532. (2008)
BACKGROUND. Studies of perceptual learning have largely focused on unisensory stimuli. However, multisensory interactions are ubiquitous in perception, even at early processing stages, and thus can potentially play a role in learning. Here, we examine the effect of auditory-visual congruency on visual learning. METHODOLOGY/PRINCIPLE FINDINGS. Subjects were trained over five days on a visual motion coherence detection task with either congruent audiovisual, or incongruent audiovisual stimuli. Comparing performance on visual-only trials, we find that training with congruent audiovisual stimuli produces significantly better learning than training with incongruent audiovisual stimuli or with only visual stimuli. CONCLUSIONS/SIGNIFICANCE. This advantage from stimulus congruency during training suggests that the benefits of multisensory training may result from audiovisual interactions at a perceptual rather than cognitive level.