Motivation sharpens exogenous spatial attention. Export

@article{citeulike:5413521, abstract = {Although both attention and motivation affect behavior, how these 2 systems interact is currently unknown. To address this question, 2 experiments were conducted in which participants performed a spatially cued forced-choice localization task under varying levels of motivation. Participants were asked to indicate the location of a peripherally cued target while ignoring a distracter. Motivation was manipulated by varying magnitude and valence (reward and punishment) of an incentive linked to task performance. Attention was manipulated via a peripheral cue, which correctly predicted the presence of a target stimulus on 70\% of the trials. Taken together, our findings revealed that the signal detection measure, reflecting perceptual sensitivity, increased as a function of incentive value during both valid and invalid trials. In addition, trend analyses revealed a linear increase in detection sensitivity as a function of incentive magnitude for both reward and punishment conditions. Our results suggest that elevated motivation leads to improved efficiency in orienting and reorienting of exogenous spatial attention and that one mechanism by which attention and motivation interact involves the sharpening of attention during motivationally salient conditions.}, author = {Engelmann, Jan B. and Pessoa, Luiz}, citeulike-article-id = {5413521}, citeulike-linkout-0 = {http://dx.doi.org/10.1037/1528-3542.7.3.668}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/17683222}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=17683222}, doi = {10.1037/1528-3542.7.3.668}, issn = {1528-3542}, journal = {Emotion (Washington, D.C.)}, keywords = {arousal, attention, dprime, motivation, spatial, valence}, month = {August}, number = {3}, pages = {668--674}, posted-at = {2009-08-11 02:12:32}, priority = {2}, title = {Motivation sharpens exogenous spatial attention.}, url = {http://dx.doi.org/10.1037/1528-3542.7.3.668}, volume = {7}, year = {2007} }

TY - JOUR ID - citeulike:5413521 L3 - citeulike-article-id:5413521 N2 - Although both attention and motivation affect behavior, how these 2 systems interact is currently unknown. To address this question, 2 experiments were conducted in which participants performed a spatially cued forced-choice localization task under varying levels of motivation. Participants were asked to indicate the location of a peripherally cued target while ignoring a distracter. Motivation was manipulated by varying magnitude and valence (reward and punishment) of an incentive linked to task performance. Attention was manipulated via a peripheral cue, which correctly predicted the presence of a target stimulus on 70% of the trials. Taken together, our findings revealed that the signal detection measure, reflecting perceptual sensitivity, increased as a function of incentive value during both valid and invalid trials. In addition, trend analyses revealed a linear increase in detection sensitivity as a function of incentive magnitude for both reward and punishment conditions. Our results suggest that elevated motivation leads to improved efficiency in orienting and reorienting of exogenous spatial attention and that one mechanism by which attention and motivation interact involves the sharpening of attention during motivationally salient conditions. IS - 3 JF - Emotion (Washington, D.C.) SN - 1528-3542 EP - 674 TI - Motivation sharpens exogenous spatial attention. VL - 7 SP - 668 KW - arousal KW - attention KW - dprime KW - motivation KW - spatial KW - valence AU - Engelmann, Jan AU - Pessoa, Luiz PY - 2007/08// UR - http://dx.doi.org/10.1037/1528-3542.7.3.668 ER -