Suppression of multisensory integration by modality-specific attention in aging
- 4 March 2009
- journal article
- research article
- Published by Ovid Technologies (Wolters Kluwer Health) in NeuroReport
- Vol. 20 (4), 349-353
- https://doi.org/10.1097/wnr.0b013e328323ab07
Abstract
Previous research shows that modality-specific selective attention attenuates multisensory integration in healthy young adults. In addition, older adults evidence enhanced multisensory integration compared with younger adults. We hypothesized that these increases were because of changes in top-down suppression, and therefore older adults would show multisensory integration while selectively attending. Performance of older and younger adults was compared on a cued discrimination task. Older adults had greater multisensory integration than younger adults in all conditions, yet were still able to reduce integration using selective attention. This suggests that attentional processes are intact in older adults, but are unable to compensate for an overall increase in the amount of sensory processing during divided attention.Keywords
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