Rapid adaptation to auditory-visual spatial disparity. Export

@article{citeulike:5042869, abstract = {The so-called ventriloquism aftereffect is a remarkable example of rapid adaptative changes in spatial localization caused by visual stimuli. After exposure to a consistent spatial disparity of auditory and visual stimuli, localization of sound sources is systematically shifted to correct for the deviation of the sound from visual positions during the previous adaptation period. In the present study, this aftereffect was induced by presenting, within 17 min, 1800 repetitive noise or pure-tone bursts in combination with synchronized, and 20 degrees disparate flashing light spots, in total darkness. Post-adaptive sound localization, measured by a method of manual pointing, was significantly shifted 2.4 degrees (noise), 3.1 degrees (1 kHz tones), or 5.8 degrees (4 kHz tones) compared with the pre-adaptation condition. There was no transfer across frequencies; that is, shifts in localization were insignificant when the frequencies used for adaptation and the post-adaptation localization test were different. It is hypothesized that these aftereffects may rely on shifts in neural representations of auditory space with respect to those of visual space, induced by intersensory spatial disparity, and may thus reflect a phenomenon of neural short-term plasticity.}, author = {Lewald, J.}, citeulike-article-id = {5042869}, citeulike-linkout-0 = {http://dx.doi.org/10.1101/lm.51402}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/12359836}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=12359836}, doi = {10.1101/lm.51402}, issn = {1072-0502}, journal = {Learning \& memory (Cold Spring Harbor, N.Y.)}, keywords = {adaptation, auditory, ventriloquism, visual}, number = {5}, pages = {268--278}, posted-at = {2009-07-02 15:42:42}, priority = {3}, title = {Rapid adaptation to auditory-visual spatial disparity.}, url = {http://dx.doi.org/10.1101/lm.51402}, volume = {9}, year = {2002} }

TY - JOUR ID - citeulike:5042869 L3 - citeulike-article-id:5042869 N2 - The so-called ventriloquism aftereffect is a remarkable example of rapid adaptative changes in spatial localization caused by visual stimuli. After exposure to a consistent spatial disparity of auditory and visual stimuli, localization of sound sources is systematically shifted to correct for the deviation of the sound from visual positions during the previous adaptation period. In the present study, this aftereffect was induced by presenting, within 17 min, 1800 repetitive noise or pure-tone bursts in combination with synchronized, and 20 degrees disparate flashing light spots, in total darkness. Post-adaptive sound localization, measured by a method of manual pointing, was significantly shifted 2.4 degrees (noise), 3.1 degrees (1 kHz tones), or 5.8 degrees (4 kHz tones) compared with the pre-adaptation condition. There was no transfer across frequencies; that is, shifts in localization were insignificant when the frequencies used for adaptation and the post-adaptation localization test were different. It is hypothesized that these aftereffects may rely on shifts in neural representations of auditory space with respect to those of visual space, induced by intersensory spatial disparity, and may thus reflect a phenomenon of neural short-term plasticity. IS - 5 JF - Learning & memory (Cold Spring Harbor, N.Y.) SN - 1072-0502 EP - 278 TI - Rapid adaptation to auditory-visual spatial disparity. VL - 9 SP - 268 KW - adaptation KW - auditory KW - ventriloquism KW - visual AU - Lewald, J PY - 2002///t UR - http://dx.doi.org/10.1101/lm.51402 ER -