Contributions of stimulus valence and arousal to visual activation during emotional perception. Export

@article{citeulike:22098, abstract = {Neuroimaging experiments have revealed that the visual cortex is involved in the processing of affective stimuli: seeing emotional pictures leads to greater activation than seeing neutral ones. It is unclear, however, whether such differential activation is due to stimulus valence or whether the results are confounded by arousal level. In order to investigate the contributions of valence and arousal to visual activation, we created a new category of ” interesting” stimuli designed to have high arousal, but neutral valence, and employed standard neutral, unpleasant, and pleasant picture categories. Arousal ratings for pleasant and neutral pictures were equivalent, as were valence ratings for interesting and neutral pictures. Differential activation for conditions matched for arousal (pleasant vs neutral) as well as matched for valence (interesting vs neutral) indicated that both stimulus valence and arousal contributed to visual activation.}, author = {Mourao-Miranda, J. and Volchan, E. and Moll, J. and de Oliveira-Souza, R. and Oliveira, L. and Bramati, I. and Gattass, R. and Pessoa, L.}, citeulike-article-id = {22098}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.neuroimage.2003.08.011}, citeulike-linkout-1 = {http://www.ingentaconnect.com/content/els/10538119/2003/00000020/00000004/art00505}, doi = {10.1016/j.neuroimage.2003.08.011}, issn = {1053-8119}, journal = {NeuroImage}, keywords = {arousal, emotion, fmri, picture, valence}, month = {December}, number = {4}, pages = {1955--1963}, posted-at = {2007-05-17 06:47:10}, priority = {2}, publisher = {Elsevier Science}, title = {Contributions of stimulus valence and arousal to visual activation during emotional perception.}, url = {http://dx.doi.org/10.1016/j.neuroimage.2003.08.011}, volume = {20}, year = {2003} }

TY - JOUR ID - citeulike:22098 L3 - citeulike-article-id:22098 N2 - Neuroimaging experiments have revealed that the visual cortex is involved in the processing of affective stimuli: seeing emotional pictures leads to greater activation than seeing neutral ones. It is unclear, however, whether such differential activation is due to stimulus valence or whether the results are confounded by arousal level. In order to investigate the contributions of valence and arousal to visual activation, we created a new category of “interesting” stimuli designed to have high arousal, but neutral valence, and employed standard neutral, unpleasant, and pleasant picture categories. Arousal ratings for pleasant and neutral pictures were equivalent, as were valence ratings for interesting and neutral pictures. Differential activation for conditions matched for arousal (pleasant vs neutral) as well as matched for valence (interesting vs neutral) indicated that both stimulus valence and arousal contributed to visual activation. IS - 4 JF - NeuroImage SN - 1053-8119 EP - 1963 TI - Contributions of stimulus valence and arousal to visual activation during emotional perception. PB - Elsevier Science VL - 20 SP - 1955 KW - arousal KW - emotion KW - fmri KW - picture KW - valence AU - Mourao-Miranda, J AU - Volchan, E AU - Moll, J AU - de Oliveira-Souza, R AU - Oliveira, L AU - Bramati, I AU - Gattass, R AU - Pessoa, L PY - 2003/12// UR - http://dx.doi.org/10.1016/j.neuroimage.2003.08.011 ER -