A psychophysiological analysis of inhibitory motor control in the stop-signal paradigm. Export

@article{citeulike:1144956, abstract = {We examined two potential inhibitory mechanisms for stopping a motor response. Participants performed a standard visual two-choice task in which visual stop signals and no-go signals were presented on a small proportion of the trials. Psychophysiological measures were taken during task performance to examine the time course of response activation and inhibition. The results were consistent with a horse race model previously proposed to account for data obtained using a stop-signal paradigm. The pattern of psychophysiological responses was similar on stop-signal and no-go trials suggesting that the same mechanism may initiate inhibitory control in both situations. We found a distinct frontal brain wave suggesting that inhibitory motor control is instigated from the frontal cortex. The results are best explained in terms of a single, centrally located inhibition mechanism. Results are discussed in terms of current neurophysiological knowledge.}, address = {Department of Psychology, University of Amsterdam, Roestersstraat 15, 1018 WB, Amsterdam, The Netherlands. g.j.m.vboxtel@kub.nl}, author = {van Boxtel, G. J. and van der Molen, M. W. and Jennings, J. R. and Brunia, C. H.}, citeulike-article-id = {1144956}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/11698116}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=11698116}, issn = {0301-0511}, journal = {Biol Psychol}, keywords = {10\_percent\_nogo\_trials, 20\_percent\_stop\_trials, 2crt, hybrid\_ss\_go\_nogo, lrp, n2, same\_modality}, month = {December}, number = {3}, pages = {229--262}, posted-at = {2007-03-07 02:44:22}, priority = {2}, title = {A psychophysiological analysis of inhibitory motor control in the stop-signal paradigm.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/11698116}, volume = {58}, year = {2001} }

TY - JOUR ID - citeulike:1144956 L3 - citeulike-article-id:1144956 N2 - We examined two potential inhibitory mechanisms for stopping a motor response. Participants performed a standard visual two-choice task in which visual stop signals and no-go signals were presented on a small proportion of the trials. Psychophysiological measures were taken during task performance to examine the time course of response activation and inhibition. The results were consistent with a horse race model previously proposed to account for data obtained using a stop-signal paradigm. The pattern of psychophysiological responses was similar on stop-signal and no-go trials suggesting that the same mechanism may initiate inhibitory control in both situations. We found a distinct frontal brain wave suggesting that inhibitory motor control is instigated from the frontal cortex. The results are best explained in terms of a single, centrally located inhibition mechanism. Results are discussed in terms of current neurophysiological knowledge. IS - 3 JF - Biol Psychol SN - 0301-0511 AD - Department of Psychology, University of Amsterdam, Roestersstraat 15, 1018 WB, Amsterdam, The Netherlands. g.j.m.vboxtel@kub.nl EP - 262 TI - A psychophysiological analysis of inhibitory motor control in the stop-signal paradigm. VL - 58 SP - 229 KW - 10_percent_nogo_trials KW - 20_percent_stop_trials KW - 2crt KW - hybrid_ss_go_nogo KW - lrp KW - n2 KW - same_modality AU - van Boxtel, GJ AU - van der Molen, MW AU - Jennings, JR AU - Brunia, CH PY - 2001/12// UR - http://view.ncbi.nlm.nih.gov/pubmed/11698116 ER -