利手、性别和认知能力对左右辨别能力的影响：一项行为学研究
The Impact of Handedness, Sex, and Cognitive Abilities on Left-Right Discrimination: A Behavioral Study.
作者信息
Constant Martin, Mellet Emmanuel
机构信息
Institut des Maladies Neurodégénératives (IMN), UMR 5293, University of Bordeaux, Bordeaux, France.
Centre National de la Recherche Scientifique (CNRS), Institut des Maladies Neurodégénératives (IMN), UMR 5293, University of Bordeaux, Bordeaux, France.
出版信息
Front Psychol. 2018 Mar 27;9:405. doi: 10.3389/fpsyg.2018.00405. eCollection 2018.
The present study examined the relationship between left-right discrimination (LRD) performance and handedness, sex and cognitive abilities. In total, 31 men and 35 women - with a balanced ratio of left-and right-handers - completed the Bergen Left-Right Discrimination Test. We found an advantage of left-handers in both identifying left hands and in verifying "left" propositions. A sex effect was also found, as women had an overall higher error rate than men, and increasing difficulty impacted their reaction time more than it did for men. Moreover, sex interacted with handedness and manual preference strength. A negative correlation of LRD reaction time with visuo-spatial and verbal long-term memory was found independently of sex, providing new insights into the relationship between cognitive skills and performance on LRD.
本研究考察了左右辨别（LRD）表现与利手、性别和认知能力之间的关系。共有31名男性和35名女性——左利手和右利手比例均衡——完成了卑尔根左右辨别测试。我们发现，左利手在识别左手和验证“左”命题方面都具有优势。还发现了性别效应，因为女性的总体错误率高于男性，并且难度增加对她们反应时间的影响比对男性的影响更大。此外，性别与利手和手动偏好强度存在交互作用。独立于性别发现，LRD反应时间与视觉空间和言语长期记忆呈负相关，这为认知技能与LRD表现之间的关系提供了新的见解。
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