Peiffer Ann M, Mozolic Jennifer L, Hugenschmidt Christina E, Laurienti Paul J
Department of Radiology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, USA.
Neuroreport. 2007 Jul 2;18(10):1077-81. doi: 10.1097/WNR.0b013e3281e72ae7.
Older adults are known to gain more than younger adults from the simultaneous presentation of semantically congruent sensory stimuli. Although these findings are quite exciting, they may not solely be due to age-related differences in multisensory processing. Rather, enhanced integration may be explained by alterations associated with general cognitive slowing. This study utilized a task that eliminated most high-order cognitive processing. As such, no significant differences in unisensory response times were seen; however, older adults actually showed faster multisensory responses than younger adults. Older adults continued to show significantly greater multisensory enhancement than younger adults. Data support the conclusion that differences in multisensory processing for older adults cannot be explained solely by the effects of general cognitive slowing.
众所周知,与年轻人相比,老年人在同时呈现语义一致的感觉刺激时收获更多。尽管这些发现相当令人兴奋,但它们可能不仅仅是由于多感官处理中与年龄相关的差异。相反,增强的整合可能是由与一般认知减慢相关的变化来解释的。本研究采用了一项消除了大多数高阶认知处理的任务。因此,单感官反应时间没有显著差异;然而,老年人实际上比年轻人表现出更快的多感官反应。老年人继续比年轻人表现出显著更大的多感官增强。数据支持这样的结论,即老年人多感官处理的差异不能仅仅用一般认知减慢的影响来解释。