Sex differences of event-related potential effects during three-dimensional mental rotation

Qingbao Yu, Yiyuan Tang, Jian Li, Qilin Lu, Huili Wang, Danni Sui, Li Zhou, Yan Wang, Martin Heil

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Sex differences in performance and in cortical activation patterns during mental rotation have rather consistently been reported. Data regarding sex differences of event-related potentials during the classic three-dimensional mental rotation task developed by Shepard and Metzler, however, are absent, and were therefore being addressed by this study. Mental rotation-related event-related potential effects were observed 900-1000 ms poststimulus at parietal electrodes and 600-700 as well as 800-900 ms poststimulus at right frontal leads, respectively. Sex differences, however, were observed already 400-700 ms poststimulus at right frontal electrodes. These findings suggest that sex differences during three-dimensional mental rotation occurred in relatively early cognitive processing stages presumably including perception and identification of stimuli instead of mental rotation itself.

Original languageEnglish
Pages (from-to)43-47
Number of pages5
JournalNeuroReport
Volume20
Issue number1
DOIs
StatePublished - Jan 7 2009

Keywords

  • Event-related potentials
  • Mental rotation
  • Sex differences

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