Stimulus Coding Rules for Perceptual Learning

@article{citeulike:3168765, abstract = {Perceptual learning of visual features occurs when multiple stimuli are presented in a fixed sequence (temporal patterning), but not when they are presented in random order (roving). This points to the need for proper stimulus coding in order for learning of multiple stimuli to occur. We examined the stimulus coding rules for learning with multiple stimuli. Our results demonstrate that: (1) stimulus rhythm is necessary for temporal patterning to take effect during practice; (2) learning consolidation is subject to disruption by roving up to 4 h after each practice session; (3) importantly, after completion of temporal-patterned learning, performance is undisrupted by extended roving training; (4) roving is ineffective if each stimulus is presented for five or more consecutive trials; and (5) roving is also ineffective if each stimulus has a distinct identity. We propose that for multi-stimulus learning to occur, the brain needs to conceptually “tag” each stimulus, in order to switch attention to the appropriate perceptual template. Stimulus temporal patterning assists in tagging stimuli and switching attention through its rhythmic stimulus sequence.}, author = {Zhang, Jun-Yun and Kuai, Shu-Guang and Xiao, Lu-Qi and Klein, Stanley A. and Levi, Dennis M. and Yu, Cong }, citeulike-article-id = {3168765}, doi = {http://dx.doi.org/10.1371/journal.pbio.0060197}, journal = {PLoS Biology}, keywords = {arash, attention, heather, kristina, learning}, month = {August}, number = {8}, pages = {e197+}, posted-at = {2008-08-28 04:44:45}, priority = {2}, title = {Stimulus Coding Rules for Perceptual Learning}, url = {http://dx.doi.org/10.1371/journal.pbio.0060197}, volume = {6}, year = {2008} }

TY - JOUR ID - citeulike:3168765 L3 - citeulike-article-id:3168765 N2 - Perceptual learning of visual features occurs when multiple stimuli are presented in a fixed sequence (temporal patterning), but not when they are presented in random order (roving). This points to the need for proper stimulus coding in order for learning of multiple stimuli to occur. We examined the stimulus coding rules for learning with multiple stimuli. Our results demonstrate that: (1) stimulus rhythm is necessary for temporal patterning to take effect during practice; (2) learning consolidation is subject to disruption by roving up to 4 h after each practice session; (3) importantly, after completion of temporal-patterned learning, performance is undisrupted by extended roving training; (4) roving is ineffective if each stimulus is presented for five or more consecutive trials; and (5) roving is also ineffective if each stimulus has a distinct identity. We propose that for multi-stimulus learning to occur, the brain needs to conceptually “tag” each stimulus, in order to switch attention to the appropriate perceptual template. Stimulus temporal patterning assists in tagging stimuli and switching attention through its rhythmic stimulus sequence. IS - 8 JF - PLoS Biology TI - Stimulus Coding Rules for Perceptual Learning VL - 6 SP - e197 KW - arash KW - attention KW - heather KW - kristina KW - learning AU - Zhang, Jun-Yun AU - Kuai, Shu-Guang AU - Xiao, Lu-Qi AU - Klein, Stanley AU - Levi, Dennis AU - Yu, Cong PY - 2008/08/01/ UR - http://dx.doi.org/10.1371/journal.pbio.0060197 ER -