Age-related changes in brain neuromagnetic responses to face perception in humans

被引：21
|
作者：
Nakamura, A
Yamada, T
Abe, Y
Nakamura, K
Sato, N
Horibe, K
Kato, T
Kachi, T
Ito, K
机构：
[1] Natl Inst Longev Sci, Dept Biofunct Res, Aichi 4748522, Japan
[2] Chubu Natl Hosp, Dept Neurol, Obu 4748522, Japan
[3] Kyoto Univ, Primate Res Inst, Dept Behav & Brain Sci, Inuyama, Aichi 4848506, Japan
来源：
NEUROSCIENCE LETTERS | 2001年 / 312卷 / 01期
关键词：
magnetoencephalography; facial recognition; ageing; extrastriate cortex; striate cortex; ventral pathway; occipitotemporal cortex;
D O I：
10.1016/S0304-3940(01)02168-1
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
In order to investigate the effects of ageing on face perception, we studied the magnetic responses to face images in 15 young (19-38 years) and 10 elderly (51-81 years) subjects. Face-specific responses (160mF), which originate in the inferior occipitotemporal cortices, and face non-specific responses (100m), which originate in the primary visual cortices, were evoked in all subjects. Averaged peak latency of the 160mF in the elderly group (174.0 +/- 9.1 ms) was significantly longer(P < 0.0005) than that in the young group (161.5 +/- 5.1 ms),while no inter-group difference was found in the 100m latency. There was a significant correlation between age and 160mF latency (+0.35 ms/year, R = 0.747) suggesting age-related decline of face perception. (C) 2001 Elsevier Science Ireland Ltd. All rights reserved.
引用
收藏
页码：13 / 16
页数：4
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