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The Relationship Between Systemising and Mental Rotation and the Implications for the Extreme Male Brain Theory of Autism

  • Mark Brosnan
  • Rajiv Daggar
  • John Collomosse
Original Paper

Abstract

Within the Extreme Male Brain theory, Autism Spectrum Disorder is characterised as a deficit in empathising in conjunction with preserved or enhanced systemising. A male advantage in systemising is argued to underpin the traditional male advantage in mental rotation tasks. Mental rotation tasks can be separated into rotational and non-rotational components, and circulating testosterone has been found to consistently relate to the latter component. Systemising was found to correlate with mental rotation, specifically the non-rotational component(s) of the mental rotation task but not the rotational component of the task. Systemising also correlated with a proxy for circulating testosterone but not a proxy for prenatal testosterone. A sex difference was identified in systemising and the non-rotational aspect of the mental rotation task.

Keywords

Systemising Mental rotation EMB ASD 

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Department of PsychologyUniversity of BathBathUK
  2. 2.Department of Computer ScienceUniversity of BathBathUK

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