期刊
NEUROREPORT
卷 20, 期 4, 页码 349-353出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/WNR.0b013e328323ab07
关键词
aging; attention; cross-modal; elderly; multisensory integration; selective attention
资金
- NIH [NS042658, AG030838-01A1]
- Roena Kulynych Memory and Cognition Research Center
- Wake Forest University GCRC [RR07122]
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. NeuroReport 20:349-353 (C) 2009 Wolters Kluwer Health | Lippincott Williams & Wilkins.
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