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引用次数: 0
摘要
根据大量的研究,大脑的左右半球在视觉和听觉方面专门负责不同的频率,但这种专门的原因尚不清楚。在这里,我们测试了视觉感知的半球不对称是否可以用人们分别用优势手和非优势手进行高频和低频动作的不对称来解释(动作不对称假说)。在两项预先注册的大型在线研究中,参与者对左右视觉半球呈现的低频和高频形状进行判断。总的来说,我们在右撇子身上发现的高与低视觉频率的典型半球不对称,在左撇子身上明显减少了。在实验中,高空间频率刺激的半球不对称性在强壮的右撇子和左撇子之间完全相反。第三个测试二元听力的实验表明,这种逆转不能用语言偏侧性的差异来解释。这些结果为行动不对称假说提供了初步的支持:感知中的频率不对称可以用行动中的频率不对称来解释。(PsycInfo Database Record (c) 2025 APA,版权所有)。
Frequency asymmetries in vision: The action asymmetry hypothesis.
According to a large body of research, the left and right cerebral hemispheres are specialized for different frequencies, in vision and audition, but the cause of this specialization is unknown. Here, we tested whether hemispheric asymmetries in visual perception can be explained by asymmetries in people's tendency to perform high- and low-frequency actions with their dominant and nondominant hands, respectively (the action asymmetry hypothesis). In two large, preregistered, online studies, participants judged low- and high-frequency shapes presented in the left and right visual hemifields. Overall, the typical hemispheric asymmetry for high versus low visual frequencies, which we found in right handers, was significantly reduced in left handers. Across experiments, hemispheric asymmetries for high-spatial-frequency stimuli were completely reversed between strong right and left handers. A third experiment testing dichotic listening suggests that this reversal cannot be explained by differences in language laterality. These results provide initial support for the action asymmetry hypothesis: Frequency asymmetries in perception may be explained by frequency asymmetries in action. (PsycInfo Database Record (c) 2025 APA, all rights reserved).
期刊介绍:
The Journal of Experimental Psychology: General publishes articles describing empirical work that bridges the traditional interests of two or more communities of psychology. The work may touch on issues dealt with in JEP: Learning, Memory, and Cognition, JEP: Human Perception and Performance, JEP: Animal Behavior Processes, or JEP: Applied, but may also concern issues in other subdisciplines of psychology, including social processes, developmental processes, psychopathology, neuroscience, or computational modeling. Articles in JEP: General may be longer than the usual journal publication if necessary, but shorter articles that bridge subdisciplines will also be considered.