Crossing the hands is more confusing for females than males

被引:48
|
作者
Cadieux, Michelle L. [1 ]
Barnett-Cowan, Michael [2 ]
Shore, David I. [1 ]
机构
[1] McMaster Univ, Multisensory Percept Lab, Dept Psychol Neurosci & Behav, Hamilton, ON L8S 4K1, Canada
[2] York Univ, Dept Psychol, Multisensory Integrat Lab, Ctr Vis Res, Toronto, ON M3J 1P3, Canada
基金
加拿大自然科学与工程研究理事会; 加拿大健康研究院;
关键词
Crossed-hands; Egocentric; Gravity perception; Reference frame; Rod-and-frame; Sex difference; Temporal order judgments; Touch; Vision; RIGHT-LEFT DISCRIMINATION; SEX-DIFFERENCES; TEMPORAL-ORDER; MENTAL ROTATION; SELF-ORIENTATION; DEVELOPMENTAL VISION; GENDER-DIFFERENCES; SPATIAL COGNITION; BRAIN ACTIVATION; VISUAL CAPTURE;
D O I
10.1007/s00221-010-2268-5
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
A conflict between an egocentric and an external reference frame can be highlighted by examining the marked deficit observed with tactile temporal order judgments (TOJ) when the hands are crossed. The anecdotally-reported large individual differences in the magnitude of this crossed-hands deficit were explored here by testing a large group of participants (48; 24 female). Given that females have been shown to be more visually dependent than males in the potentially related rod-and-frame test (RFT), we hypothesized that females would show a larger influence of the external reference frame (i.e., a larger crossed-hands deficit). As predicted, female participants produced larger tactile TOJ deficits compared to our male participants. We also administered the RFT in these participants with hands crossed and uncrossed. Crossing the hands increased the effect of the frame in the RFT, more so for females than males, further highlighting the potential difference in the way that each sex accommodates reference frame conflicts. Finally, examining the relation between the two tasks revealed a significant correlation, with larger frame effects associated with larger crossed-hands TOJ deficits, but this only held for males. We speculate that sex-specific differences in multisensory processing and spatial ability may explain why females are less able to disambiguate a crossed-hands posture than are males.
引用
收藏
页码:431 / 446
页数:16
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