Memory's echo: vivid remembering reactivates sensory-specific cortex. Export

@article{citeulike:292964, abstract = {A fundamental question in human memory is how the brain represents sensory-specific information during the process of retrieval. One hypothesis is that regions of sensory cortex are reactivated during retrieval of sensory-specific information (1). Here we report findings from a study in which subjects learned a set of picture and sound items and were then given a recall test during which they vividly remembered the items while imaged by using event-related functional MRI. Regions of visual and auditory cortex were activated differentially during retrieval of pictures and sounds, respectively. Furthermore, the regions activated during the recall test comprised a subset of those activated during a separate perception task in which subjects actually viewed pictures and heard sounds. Regions activated during the recall test were found to be represented more in late than in early visual and auditory cortex. Therefore, results indicate that retrieval of vivid visual and auditory information can be associated with a reactivation of some of the same sensory regions that were activated during perception of those items.}, address = {Department of Psychology, Howard Hughes Medical Institute, Washington University School of Medicine, St. Louis, MO 63110, USA.}, author = {Wheeler, M. E. and Petersen, S. E. and Buckner, R. L.}, citeulike-article-id = {292964}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/11005879}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=11005879}, day = {26}, issn = {0027-8424}, journal = {Proceedings of the National Academy of Sciences of the United States of America}, keywords = {cortex, memory, sensory, sound, specific}, month = {September}, number = {20}, pages = {11125--11129}, posted-at = {2005-08-16 06:29:17}, priority = {2}, title = {Memory's echo: vivid remembering reactivates sensory-specific cortex.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/11005879}, volume = {97}, year = {2000} }

TY - JOUR ID - citeulike:292964 L3 - citeulike-article-id:292964 N2 - A fundamental question in human memory is how the brain represents sensory-specific information during the process of retrieval. One hypothesis is that regions of sensory cortex are reactivated during retrieval of sensory-specific information (1). Here we report findings from a study in which subjects learned a set of picture and sound items and were then given a recall test during which they vividly remembered the items while imaged by using event-related functional MRI. Regions of visual and auditory cortex were activated differentially during retrieval of pictures and sounds, respectively. Furthermore, the regions activated during the recall test comprised a subset of those activated during a separate perception task in which subjects actually viewed pictures and heard sounds. Regions activated during the recall test were found to be represented more in late than in early visual and auditory cortex. Therefore, results indicate that retrieval of vivid visual and auditory information can be associated with a reactivation of some of the same sensory regions that were activated during perception of those items. IS - 20 JF - Proceedings of the National Academy of Sciences of the United States of America SN - 0027-8424 AD - Department of Psychology, Howard Hughes Medical Institute, Washington University School of Medicine, St. Louis, MO 63110, USA. EP - 11129 TI - Memory's echo: vivid remembering reactivates sensory-specific cortex. VL - 97 SP - 11125 KW - cortex KW - memory KW - sensory KW - sound KW - specific AU - Wheeler, ME AU - Petersen, SE AU - Buckner, RL PY - 2000/09/26/ UR - http://view.ncbi.nlm.nih.gov/pubmed/11005879 ER -