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SUMMARY:The development of sex differences in mental rotations in human in
 fants - Prof. David Moore (Pitzer College and Claremont Graduate School\, 
 USA)
DTSTART:20091027T130000Z
DTEND:20091027T140000Z
UID:TALK20151@talks.cam.ac.uk
CONTACT:Dr. Nicholas Gibson
DESCRIPTION:After seeing a 2-dimensional (2D) representation of a 3-dimens
 ional (3D) object\, adults can recognize a novel 2D representation of that
  object rotated in space\; the ability to recognize the object is commonly
  thought to require a process called “mental rotation.” Since the 1970
 s\, a sex difference on mental rotation tasks has been demonstrated repeat
 edly\, but not in children less than 4 years of age. To demonstrate mental
  rotation in human infants\, we habituated 5-month-old infants to an objec
 t revolving through a 240-degree angle. In successive test trials\, infant
 s saw the habituation object or its mirror image revolving through a previ
 ously unseen 120-degree angle. Only the male infants appeared to recognize
  the familiar object from the new perspective\, a feat requiring mental ro
 tation. We subsequently tested a group of 3-month-old infants\, and althou
 gh the results were somewhat different\, we continued to find a sex differ
 ence that we interpret as meaning that male infants were able to mentally 
 rotate the habituation stimuli. These data provide evidence in infants for
  a sex difference in mental rotation of an object through 3D space\, consi
 stently seen in adult populations. See also Moore\, D. S.\, & Johnson\, S.
  P. (2008). Mental rotation in human infants: A sex difference. _Psycholog
 ical Science_\, _19_\, 1063-1066.
LOCATION:Arts School Room B\, New Museums Site
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