Selective attention to spatial and non-spatial visual stimuli is affected differentially by age: effects on event-related brain potentials and performance data. Export

@article{citeulike:6056660, abstract = {To assess selective attention processes in young and old adults, behavioral and event-related potential (ERP) measures were recorded. Streams of visual stimuli were presented from left or right locations (Experiment 1) or from a central location and comprising two different spatial frequencies (Experiment 2). In both experiments, results were compared in visual-only and visual+auditory stimulus context conditions. Participants were forced to respond fast in both experiments, while maintaining high accuracy. In Experiment 1, no behavioral effects of aging were found; however, an enlargement of the N1 component in the older age group suggested that older adults initial selection process was larger than that of young adults. A late frontal effect following the P300 elicited by attended non-targets was larger in the visual+auditory condition than in the visual-only condition in the old age group. This effect was interpreted as reflecting a memory update of the relevant target location. In Experiment 2, older adults made relatively more errors in the visual+auditory condition than in visual-only condition, more so than the young adults. Older adults' ERP data were also characterized by an enlargement of the occipital selection negativity, compared to the young age group. In contrast to experiment 1, no late frontal post-P3 effect could be found, suggesting that the memory trace of the relevant stimulus feature was updated less frequently, explaining the reduction in response accuracy in the visual+auditory stimulus context conditions.}, author = {Talsma, Durk and Kok, Albert and Ridderinkhof, K. Richard}, citeulike-article-id = {6056660}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.ijpsycho.2006.04.006}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/16806547}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=16806547}, doi = {10.1016/j.ijpsycho.2006.04.006}, issn = {0167-8760}, journal = {International journal of psychophysiology : official journal of the International Organization of Psychophysiology}, keywords = {ageing, auditory, erp, gk, spatial\_attention, visual\_attention}, month = {November}, number = {2}, pages = {249--261}, posted-at = {2009-11-02 15:32:38}, priority = {0}, title = {Selective attention to spatial and non-spatial visual stimuli is affected differentially by age: effects on event-related brain potentials and performance data.}, url = {http://dx.doi.org/10.1016/j.ijpsycho.2006.04.006}, volume = {62}, year = {2006} }

TY - JOUR ID - citeulike:6056660 L3 - citeulike-article-id:6056660 N2 - To assess selective attention processes in young and old adults, behavioral and event-related potential (ERP) measures were recorded. Streams of visual stimuli were presented from left or right locations (Experiment 1) or from a central location and comprising two different spatial frequencies (Experiment 2). In both experiments, results were compared in visual-only and visual+auditory stimulus context conditions. Participants were forced to respond fast in both experiments, while maintaining high accuracy. In Experiment 1, no behavioral effects of aging were found; however, an enlargement of the N1 component in the older age group suggested that older adults initial selection process was larger than that of young adults. A late frontal effect following the P300 elicited by attended non-targets was larger in the visual+auditory condition than in the visual-only condition in the old age group. This effect was interpreted as reflecting a memory update of the relevant target location. In Experiment 2, older adults made relatively more errors in the visual+auditory condition than in visual-only condition, more so than the young adults. Older adults' ERP data were also characterized by an enlargement of the occipital selection negativity, compared to the young age group. In contrast to experiment 1, no late frontal post-P3 effect could be found, suggesting that the memory trace of the relevant stimulus feature was updated less frequently, explaining the reduction in response accuracy in the visual+auditory stimulus context conditions. IS - 2 JF - International journal of psychophysiology : official journal of the International Organization of Psychophysiology SN - 0167-8760 EP - 261 TI - Selective attention to spatial and non-spatial visual stimuli is affected differentially by age: effects on event-related brain potentials and performance data. VL - 62 SP - 249 KW - ageing KW - auditory KW - erp KW - gk KW - spatial_attention KW - visual_attention AU - Talsma, Durk AU - Kok, Albert AU - Ridderinkhof, Richard PY - 2006/11// UR - http://dx.doi.org/10.1016/j.ijpsycho.2006.04.006 ER -