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Sally A. Linkenauger Jessica K. Witt Jonathan Z. Bakdash Jeanine K. Stefanucci Dennis R. Proffitt 《Psychological science》2009,20(11):1373-1380
ABSTRACT— Perception of one's body is related not only to the physical appearance of the body, but also to the neural representation of the body. The brain contains many body maps that systematically differ between right- and left-handed people. In general, the cortical representations of the right arm and right hand tend to be of greater area in the left hemisphere than in the right hemisphere for right-handed people, whereas these cortical representations tend to be symmetrical across hemispheres for left-handers. We took advantage of these naturally occurring differences and examined perceived arm length in right- and left-handed people. When looking at each arm and hand individually, right-handed participants perceived their right arms and right hands to be longer than their left arms and left hands, whereas left-handed participants perceived both arms accurately. These experiments reveal a possible relationship between implicit body maps in the brain and conscious perception of the body. 相似文献
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When people are engaged in a skilled behavior, such as occurs in sports, their perceptions relate optical information to their
performance. In the present research, we demonstrate the effects of performance on size perception in golfers. We found that
golfers who played better judged the hole to be bigger than did golfers who did not play as well. In follow-up laboratory
experiments, participants putted on a golf mat from a location near or far from the hole and then judged the size of the hole.
Participants who putted from the near location perceived the hole to be bigger than did participants who putted from the far
location. Our results demonstrate that perception is influenced by the perceiver’s current ability to act effectively in the
environment. 相似文献
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Ann E. Lambert Jason M. Watson Jeanine K. Stefanucci Nathan Ward Jonathan Z. Bakdash David L. Strayer 《Applied cognitive psychology》2016,30(1):22-28
Stereotypes can harm human performance, especially when activated in individuals with diminished working memory capacity (WMC). Performance implications for the stereotype of poor driving in older adults were investigated. Using a sample of older adults, WMC (the ability to maintain task goals and ignore distractions) and driving performance [brake reaction time (RT), following distance, and crashes] were assessed, the latter using a high‐fidelity simulator. Elderly participants under stereotype threat with reduced WMC exhibited slower brake RTs and longer following distances compared with a control condition that was not threatened. This driving profile was characteristic of cognitive distraction. Stereotype threat has clear consequences for human performance in a common real‐world task—driving—that is critical to public safety. Furthermore, these findings suggest caution in how the media and public policy communicate information about older adult driving.Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
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