Human auditory event-related potentials predict duration judgments Export

@article{citeulike:2630585, abstract = {Internal clock models postulate a pulse accumulation process underlying timing activities, with more accumulated pulses resulting in longer perceived durations. We investigated whether this accumulation is reflected in the amplitude of event-related brain potentials (ERPs) elicited by auditory stimuli with durations of 400-600 ms. In a duration discrimination paradigm, we found more negative amplitudes to physically identical stimuli when they were judged as longer than the memorized standard duration (500 ms) as compared to being classified as shorter. This sustained negativity was already developing during the first 100 ms after stimulus onset. It could not be explained as a bias to respond with a particular hand (lateralized readiness potential), but rather reflects a processing difference between the tones to be judged as shorter or longer. Our results are in line with models of time processing which assume that higher numbers of accumulated pulses of a temporal processor result in an increase in perceived duration.}, author = {Bendixen, Alexandra and Grimm, Sabine and Schroger, Erich}, citeulike-article-id = {2630585}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.neulet.2005.04.034}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B6T0G-4G1R41H-3/2/3f6f6c512525a84f4ce4058e77c94c0b}, day = {5}, doi = {10.1016/j.neulet.2005.04.034}, journal = {Neuroscience Letters}, keywords = {auditory, discrimination, duration, judgements, longer, shorter, stimuli, task, vs}, month = {August}, number = {3}, pages = {284--288}, posted-at = {2008-04-04 22:06:26}, priority = {2}, title = {Human auditory event-related potentials predict duration judgments}, url = {http://dx.doi.org/10.1016/j.neulet.2005.04.034}, volume = {383}, year = {2005} }

TY - JOUR ID - citeulike:2630585 L3 - citeulike-article-id:2630585 N2 - Internal clock models postulate a pulse accumulation process underlying timing activities, with more accumulated pulses resulting in longer perceived durations. We investigated whether this accumulation is reflected in the amplitude of event-related brain potentials (ERPs) elicited by auditory stimuli with durations of 400-600 ms. In a duration discrimination paradigm, we found more negative amplitudes to physically identical stimuli when they were judged as longer than the memorized standard duration (500 ms) as compared to being classified as shorter. This sustained negativity was already developing during the first 100 ms after stimulus onset. It could not be explained as a bias to respond with a particular hand (lateralized readiness potential), but rather reflects a processing difference between the tones to be judged as shorter or longer. Our results are in line with models of time processing which assume that higher numbers of accumulated pulses of a temporal processor result in an increase in perceived duration. IS - 3 JF - Neuroscience Letters EP - 288 TI - Human auditory event-related potentials predict duration judgments VL - 383 SP - 284 KW - auditory KW - discrimination KW - duration KW - judgements KW - longer KW - shorter KW - stimuli KW - task KW - vs AU - Bendixen, Alexandra AU - Grimm, Sabine AU - Schroger, Erich PY - 2005/08/05/ UR - http://dx.doi.org/10.1016/j.neulet.2005.04.034 ER -