Dorsal striatum is necessary for stimulus-value but not action-value learning in humans
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چکیده
منابع مشابه
Dorsal striatum is necessary for stimulus-value but not action-value learning in humans.
Several lines of evidence implicate the striatum in learning from experience on the basis of positive and negative feedback. However, the necessity of the striatum for such learning has been difficult to demonstrate in humans, because brain damage is rarely restricted to this structure. Here we test a rare individual with widespread bilateral damage restricted to the dorsal striatum. His perfor...
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Adaptive decision making involves selecting the most valuable option, typically by taking an action. Such choices require value comparisons, but there is debate about whether these comparisons occur at the level of stimuli (goods-based) value, action-based value, or both. One view is that value processes occur in series, with stimulus value informing action value. However, lesion work in nonhum...
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متن کاملDiscrete coding of stimulus value, reward expectation, and reward prediction error in the dorsal striatum.
To investigate how the striatum integrates sensory information with reward information for behavioral guidance, we recorded single-unit activity in the dorsal striatum of head-fixed rats participating in a probabilistic Pavlovian conditioning task with auditory conditioned stimuli (CSs) in which reward probability was fixed for each CS but parametrically varied across CSs. We found that the act...
متن کاملDiscrete coding of stimulus value , reward expectation , and 12 reward prediction error in the dorsal striatum
45 To investigate how the striatum integrates sensory information with reward information for 46 behavioral guidance, we recorded single-unit activity in the dorsal striatum of head-fixed rats 47 participating in a probabilistic Pavlovian conditioning task with auditory conditioned stimuli (CSs) in 48 which reward probability was fixed for each CS but parametrically varied across CSs. We found ...
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ژورنال
عنوان ژورنال: Brain
سال: 2014
ISSN: 1460-2156,0006-8950
DOI: 10.1093/brain/awu277