The Neural Basis of Loss Aversion in Decision-Making Under Risk

by: Sabrina M Tom, Craig R Fox, Christopher Trepel, Russell A Poldrack

Science, Vol. 315, No. 5811. (26 January 2007), pp. 515-518.

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摘要

People typically exhibit greater sensitivity to losses than to equivalent gains when making decisions. We investigated neural correlates of loss aversion while individuals decided whether to accept or reject gambles that offered a 50/50 chance of gaining or losing money. A broad set of areas (including midbrain dopaminergic regions and their targets) showed increasing activity as potential gains increased. Potential losses were represented by decreasing activity in several of these same gain-sensitive areas. Finally, individual differences in behavioral loss aversion were predicted by a measure of neural loss aversion in several regions, including the ventral striatum and prefrontal cortex. 10.1126/science.1134239

@article{citeulike:1075815, abstract = {People typically exhibit greater sensitivity to losses than to equivalent gains when making decisions. We investigated neural correlates of loss aversion while individuals decided whether to accept or reject gambles that offered a 50/50 chance of gaining or losing money. A broad set of areas (including midbrain dopaminergic regions and their targets) showed increasing activity as potential gains increased. Potential losses were represented by decreasing activity in several of these same gain-sensitive areas. Finally, individual differences in behavioral loss aversion were predicted by a measure of neural loss aversion in several regions, including the ventral striatum and prefrontal cortex. 10.1126/science.1134239}, author = {Tom, Sabrina M. and Fox, Craig R. and Trepel, Christopher and Poldrack, Russell A. }, citeulike-article-id = {1075815}, doi = {http://dx.doi.org/10.1126/science.1134239}, journal = {Science}, keywords = {aversion, decision-making, fmri, loss, loss\_aversion, risk, striatum}, month = {January}, number = {5811}, pages = {515--518}, posted-at = {2007-04-15 18:18:04}, priority = {5}, title = {The Neural Basis of Loss Aversion in Decision-Making Under Risk}, url = {http://dx.doi.org/10.1126/science.1134239}, volume = {315}, year = {2007} }

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TY - JOUR ID - citeulike:1075815 L3 - citeulike-article-id:1075815 TI - The Neural Basis of Loss Aversion in Decision-Making Under Risk JF - Science VL - 315 IS - 5811 SP - 515 EP - 518 N2 - People typically exhibit greater sensitivity to losses than to equivalent gains when making decisions. We investigated neural correlates of loss aversion while individuals decided whether to accept or reject gambles that offered a 50/50 chance of gaining or losing money. A broad set of areas (including midbrain dopaminergic regions and their targets) showed increasing activity as potential gains increased. Potential losses were represented by decreasing activity in several of these same gain-sensitive areas. Finally, individual differences in behavioral loss aversion were predicted by a measure of neural loss aversion in several regions, including the ventral striatum and prefrontal cortex. 10.1126/science.1134239 KW - aversion KW - decision-making KW - fmri KW - loss KW - loss_aversion KW - risk KW - striatum AU - Tom, Sabrina AU - Fox, Craig AU - Trepel, Christopher AU - Poldrack, Russell PY - 2007/01/26/ UR - http://dx.doi.org/10.1126/science.1134239 ER -

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