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SUMMARY: Neural signals for reward value and risk - Prof. Wolfram Schultz\
 , Department of Physiology\, Development and Neuroscience
DTSTART:20101029T120000Z
DTEND:20101029T133000Z
UID:TALK27776@talks.cam.ac.uk
CONTACT:Donna Harris
DESCRIPTION:The functions of rewards are based on their effects on behavio
 ur and are less directly governed by the physics and chemistry of sensory 
 inputs. Therefore the investigation of neural mechanisms underlying reward
  functions is helped by behavioural theories\, including animal learning t
 heory and economic utility theory. The reward system of the brain is compr
 ised of specific structures\, including the midbrain dopamine neurons\, or
 bitofrontal cortex\, striatum and amygdala. The presentation will describe
  neural signals in these structures related to basic decision variables\, 
 such as the magnitude\, probability\, expected value and variance (risk) o
 f reward. Temporal discounting shows that reward value is coded subjective
 ly. Some risk signals depend on individual risk attitudes\, and risk influ
 ences\nneuronal value signals.\n
LOCATION:Room B16\, the Law Faculty
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