Separate neural systems value immediate and delayed monetary rewards.

@article{citeulike:516562, abstract = {When humans are offered the choice between rewards available at different points in time, the relative values of the options are discounted according to their expected delays until delivery. Using functional magnetic resonance imaging, we examined the neural correlates of time discounting while subjects made a series of choices between monetary reward options that varied by delay to delivery. We demonstrate that two separate systems are involved in such decisions. Parts of the limbic system associated with the midbrain dopamine system, including paralimbic cortex, are preferentially activated by decisions involving immediately available rewards. In contrast, regions of the lateral prefrontal cortex and posterior parietal cortex are engaged uniformly by intertemporal choices irrespective of delay. Furthermore, the relative engagement of the two systems is directly associated with subjects' choices, with greater relative fronto-parietal activity when subjects choose longer term options.}, address = {Department of Psychology and Center for the Study of Brain, Mind, and Behavior, Princeton University, Princeton, NJ 08544, USA. smcclure@princeton.edu}, author = {McClure, S. M. and Laibson, D. I. and Loewenstein, G. and Cohen, J. D. }, citeulike-article-id = {516562}, doi = {10.1126/science.1100907}, issn = {1095-9203}, journal = {Science}, keywords = {discounting, neuroimaging, reward}, month = {October}, number = {5695}, pages = {503--507}, posted-at = {2006-02-22 21:51:55}, priority = {2}, title = {Separate neural systems value immediate and delayed monetary rewards.}, url = {http://dx.doi.org/10.1126/science.1100907}, volume = {306}, year = {2004} }

TY - JOUR ID - citeulike:516562 L3 - citeulike-article-id:516562 TI - Separate neural systems value immediate and delayed monetary rewards. JF - Science VL - 306 IS - 5695 SP - 503 EP - 507 AD - Department of Psychology and Center for the Study of Brain, Mind, and Behavior, Princeton University, Princeton, NJ 08544, USA. smcclure@princeton.edu SN - 1095-9203 N2 - When humans are offered the choice between rewards available at different points in time, the relative values of the options are discounted according to their expected delays until delivery. Using functional magnetic resonance imaging, we examined the neural correlates of time discounting while subjects made a series of choices between monetary reward options that varied by delay to delivery. We demonstrate that two separate systems are involved in such decisions. Parts of the limbic system associated with the midbrain dopamine system, including paralimbic cortex, are preferentially activated by decisions involving immediately available rewards. In contrast, regions of the lateral prefrontal cortex and posterior parietal cortex are engaged uniformly by intertemporal choices irrespective of delay. Furthermore, the relative engagement of the two systems is directly associated with subjects' choices, with greater relative fronto-parietal activity when subjects choose longer term options. KW - discounting KW - neuroimaging KW - reward AU - McClure, SM AU - Laibson, DI AU - Loewenstein, G AU - Cohen, JD PY - 2004/10/15/ UR - http://dx.doi.org/10.1126/science.1100907 ER -