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SUMMARY:Measuring unconscious response tendencies in adults and children -
  Dr. Dénes Szücs (Department of Education\, University of Cambridge)
DTSTART:20091110T130000Z
DTEND:20091110T140000Z
UID:TALK20823@talks.cam.ac.uk
CONTACT:Dr. Nicholas Gibson
DESCRIPTION:The ability to select an appropriate motor response by resolvi
 ng competition among alternative responses plays a major role in cognitive
  performance. Functional magnetic resonance imaging (fMRI) studies suggest
  that the development of this skill is related to the maturation of the fr
 ontal cortex which underlies the improvement of motor inhibition abilities
 . However\, fMRI cannot characterize the temporal properties of motor resp
 onse competition and motor activation in general. Therefore\, we studied t
 he time-course of resolving motor response competition. In one study we us
 ed the Lateralized Readiness Potential (LRP)\, an event-related brain pote
 ntial (ERP) measure\, for tracking correct and incorrect motor cortex acti
 vation in children in real-time [Szucs et al. 2009. Journal of Cogn Neuros
 ci\, 11\, 2195-2206]. In another study we combined ERP and electro-myograp
 hy (EMG) in order to characterize response competition in a more direct wa
 y [Szucs et al. 2009. Neuroimage\, 47\, 1960-1973]. I will present and dis
 cuss our results.
LOCATION:Arts School Room B\, New Museums Site
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