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SUMMARY:Cross-sensory integration and calibration during development - Pro
 fessor David Burr\, Department of Psychology\, University of Florence. 
DTSTART:20161209T163000Z
DTEND:20161209T180000Z
UID:TALK67113@talks.cam.ac.uk
CONTACT:Louise White
DESCRIPTION:Much evidence\, including our own\, suggests that humans integ
 rate information between senses in a statistically optimal manner\, maximi
 zing the precision of performance. We have recently shown that reliability
 -based integration of vision and touch develops only after about 8 years o
 f age. In younger children one sense dominates the other: for size discrim
 ination touch dominates vision but for orientation discrimination visual d
 ominates. We suggest that the dominance of one or other sense reflects cro
 ss-modal calibration of developing systems: one sense calibrates the other
 \, rather than fusing with it to improve precision. But unlike sensory fus
 ion\, it is the more robust and accurate sense that dominates the calibrat
 ion\, even if it is the less precise. Several lines of evidence support th
 is idea: congenitally blind children show a selective deficit in haptic or
 ientation-discrimination\, and dyskinetic children (with highly impaired m
 ovement control) show a selective deficit in visual size judgments. Both t
 hese impairments could result from a lack of cross-sensory calibration in 
 early development. \n\n
LOCATION:Ground Floor Lecture Theatre\, Department of Psychology
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