Canonical views of faces and the cerebral hemispheres

被引:18
作者
Laeng, B
Rouw, R
机构
[1] Univ Tromso, Dept Psychol, N-9037 Tromso, Norway
[2] Tilburg Univ, NL-5000 LE Tilburg, Netherlands
来源
LATERALITY | 2001年 / 6卷 / 03期
关键词
D O I
10.1080/713754410
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Evidence is given for a special, canonical, status of one specific view in the identification of familiar faces. In the first experiment, subjects identified by name the fully frontal or profile poses of briefly familiarised individuals less efficiently than an intermediate pose. In addition, in a matching experiment using faces seen in different poses, it was found that one specific intermediate pose (corresponding to 22.5 degrees of angle from the full frontal view) was matched more efficiently in the right visual field (RVF) than in the left visual field (LVF). This finding supports the hypothesis of a superiority of the left hemisphere (LH) over the right hemisphere (RH) in processing a familiar face's canonical view. The other tested "noncanonical'' views (i.e., full frontal, 45 degrees, and profile) of these same familiar faces were better matched in the LVF (i.e., the RH); especially at low levels of familiarity. We conclude that, for each familiar face, a viewer-centred representation of the canonical (22.5 degrees) view is stored in the LH's memory system, whereas multiple views of familiar faces are stored in a memory system of the RH. With increasing levels of familiarity other views are increasingly more efficiently encoded by the LH, and in fact for facial self-recognition the full-front view is superior to any of the other tested views. These findings taken together suggest that complementary lateralised memory subsystems in the two cerebral hemispheres store different sets, only partially overlapping, of view-centred face representations.
引用
收藏
页码:193 / 224
页数:32
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