Reward Timing in the Primary Visual Cortex

by: Marshall G Shuler, Mark F Bear

Science, Vol. 311, No. 5767. (17 March 2006), pp. 1606-1609.

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Abstract

We discovered that when adult rats experience an association between visual stimuli and subsequent rewards, the responses of a substantial fraction of neurons in the primary visual cortex evolve from those that relate solely to the physical attributes of the stimuli to those that accurately predict the timing of reward. In addition to revealing a remarkable type of response plasticity in adult V1, these data demonstrate that reward-timing activity--a "higher" brain function--can occur very early in sensory-processing paths. These findings challenge the traditional interpretation of activity in the primary visual cortex.

@article{citeulike:556226, abstract = {We discovered that when adult rats experience an association between visual stimuli and subsequent rewards, the responses of a substantial fraction of neurons in the primary visual cortex evolve from those that relate solely to the physical attributes of the stimuli to those that accurately predict the timing of reward. In addition to revealing a remarkable type of response plasticity in adult V1, these data demonstrate that reward-timing activity--a "higher" brain function--can occur very early in sensory-processing paths. These findings challenge the traditional interpretation of activity in the primary visual cortex.}, author = {Shuler, Marshall G. and Bear, Mark F. }, citeulike-article-id = {556226}, doi = {10.1126/science.1123513}, journal = {Science}, keywords = {dopamine, reinforcement-learning, visual-cortex, working-memory}, month = {March}, number = {5767}, pages = {1606--1609}, posted-at = {2007-06-21 15:53:35}, priority = {0}, title = {Reward Timing in the Primary Visual Cortex}, url = {http://dx.doi.org/10.1126/science.1123513}, volume = {311}, year = {2006} }

RIS record

TY - JOUR ID - citeulike:556226 L3 - citeulike-article-id:556226 TI - Reward Timing in the Primary Visual Cortex JF - Science VL - 311 IS - 5767 SP - 1606 EP - 1609 N2 - We discovered that when adult rats experience an association between visual stimuli and subsequent rewards, the responses of a substantial fraction of neurons in the primary visual cortex evolve from those that relate solely to the physical attributes of the stimuli to those that accurately predict the timing of reward. In addition to revealing a remarkable type of response plasticity in adult V1, these data demonstrate that reward-timing activity--a "higher" brain function--can occur very early in sensory-processing paths. These findings challenge the traditional interpretation of activity in the primary visual cortex. KW - dopamine KW - reinforcement-learning KW - visual-cortex KW - working-memory AU - Shuler, Marshall AU - Bear, Mark PY - 2006/03/17/ UR - http://dx.doi.org/10.1126/science.1123513 ER -

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