Stimulus-specific mechanisms of visual short-term memory. Export

@article{citeulike:318935, abstract = {The retention of spatial information in visual short-term memory was assessed by measuring spatial frequency discrimination thresholds with a two-interval forced-choice task varying the time interval between the two gratings to be compared. The memory of spatial frequency information was perfect across 10-sec interstimulus intervals. Presentation of a "memory masker" grating during the interstimulus interval may interfere with short-term memory. This interference depends on the relative spatial frequency of the test and masker gratings, with maximum interference at spatial frequency differences of 1-1.5 octaves and beyond. This range of interference with short-term memory is comparable to the bandwidth of sensory masking or adaptation. A change of the relative orientation of test and masker gratings does not produce interference with spatial frequency discrimination thresholds. These results suggest stimulus-specific interactions at higher-level representations of visual form.}, address = {Vision Laboratory, University of Oslo, Norway.}, author = {Magnussen, S. and Greenlee, M. W. and Asplund, R. and Dyrnes, S.}, citeulike-article-id = {318935}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/1891813}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=1891813}, issn = {0042-6989}, journal = {Vision Res}, keywords = {memory, vision}, number = {7-8}, pages = {1213--1219}, posted-at = {2005-09-13 22:27:51}, priority = {4}, title = {Stimulus-specific mechanisms of visual short-term memory.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/1891813}, volume = {31}, year = {1991} }

TY - JOUR ID - citeulike:318935 L3 - citeulike-article-id:318935 N2 - The retention of spatial information in visual short-term memory was assessed by measuring spatial frequency discrimination thresholds with a two-interval forced-choice task varying the time interval between the two gratings to be compared. The memory of spatial frequency information was perfect across 10-sec interstimulus intervals. Presentation of a "memory masker" grating during the interstimulus interval may interfere with short-term memory. This interference depends on the relative spatial frequency of the test and masker gratings, with maximum interference at spatial frequency differences of 1-1.5 octaves and beyond. This range of interference with short-term memory is comparable to the bandwidth of sensory masking or adaptation. A change of the relative orientation of test and masker gratings does not produce interference with spatial frequency discrimination thresholds. These results suggest stimulus-specific interactions at higher-level representations of visual form. IS - 7-8 JF - Vision Res SN - 0042-6989 AD - Vision Laboratory, University of Oslo, Norway. EP - 1219 TI - Stimulus-specific mechanisms of visual short-term memory. VL - 31 SP - 1213 KW - memory KW - vision AU - Magnussen, S AU - Greenlee, MW AU - Asplund, R AU - Dyrnes, S PY - 1991/// UR - http://view.ncbi.nlm.nih.gov/pubmed/1891813 ER -