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Priming of two-dimensional visual motion is reduced in older adults
Jiang, Y; Luo, YJ; Parasuraman, R; Y. J. Luo
2002-04-01
Source PublicationNEUROPSYCHOLOGY
ISSN0894-4105
SubtypeArticle
Volume16Issue:2Pages:140-145
AbstractPreviously, Y. Jiang, P. Greenwood, and R. Parasuraman (1999) reported that priming of rotating three-dimensional visual objects is age sensitive. The current study investigated whether there is also an age-related difference in priming with simple two-dimensional (2-D) moving stimuli (i.e., whether a prime stimulus moving in a particular direction causes a subsequent ambiguous target stimulus to be seen moving in the same direction as the prime). In 2 experiments, younger and older adults judged the directions of moving sine-wave gratings. Groups differed neither in determining the direction of a single 2-D movement nor in detecting motion reversals in successively moving gratings. However, the older group showed a significant reduction in the extent of 2-D motion priming. The decrement in older adults for visual motion priming may reflect age-related changes in temporal processing in human visual cortex.; Previously, Y. Jiang, P. Greenwood, and R. Parasuraman (1999) reported that priming of rotating three-dimensional visual objects is age sensitive. The current study investigated whether there is also an age-related difference in priming with simple two-dimensional (2-D) moving stimuli (i.e., whether a prime stimulus moving in a particular direction causes a subsequent ambiguous target stimulus to be seen moving in the same direction as the prime). In 2 experiments, younger and older adults judged the directions of moving sine-wave gratings. Groups differed neither in determining the direction of a single 2-D movement nor in detecting motion reversals in successively moving gratings. However, the older group showed a significant reduction in the extent of 2-D motion priming. The decrement in older adults for visual motion priming may reflect age-related changes in temporal processing in human visual cortex.
Keywordage-related differences apparent motion perception direction sensitivity mechanisms inertia brain area mt
Subject Area神经心理学
Indexed ByISTP ; ISSHP ; SCI ; SSCI
Language英语
WOS IDWOS:000174852600003
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/5631
Collection中国科学院心理研究所回溯数据库(1956-2010)
Corresponding AuthorY. J. Luo
Affiliation1.NIMH, Lab Brain & Cognit, NIH, Bethesda, MD 20892 USA
2.Catholic Univ Amer, Cognit Sci Lab, Washington, DC 20064 USA
3.Chinese Acad Sci, Inst Psychol, Beijing 10101, Peoples R China
4.Catholic Univ Amer, Cognit Sci Lab, Washington, DC 20064 USA
Recommended Citation
GB/T 7714
Jiang, Y,Luo, YJ,Parasuraman, R,et al. Priming of two-dimensional visual motion is reduced in older adults[J]. NEUROPSYCHOLOGY,2002,16(2):140-145.
APA Jiang, Y,Luo, YJ,Parasuraman, R,&Y. J. Luo.(2002).Priming of two-dimensional visual motion is reduced in older adults.NEUROPSYCHOLOGY,16(2),140-145.
MLA Jiang, Y,et al."Priming of two-dimensional visual motion is reduced in older adults".NEUROPSYCHOLOGY 16.2(2002):140-145.
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