Munk, M.H., Linden, D.E., Muckli, L. , Lanfermann, H., Zanella, F.E., Singer, W. and Goebel, R. (2002) Distributed cortical systems in visual short-term memory revealed by event-related functional magnetic resonance imaging. Cerebral Cortex, 12(8), pp. 866-876.
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Abstract
The spatio-temporal distribution of brain activity as revealed by non-invasive functional imaging helps to elucidate the neuronal encoding and processing strategies required by complex cognitive tasks. We investigated visual short-term memory for objects, places and conjunctions in humans using event-related time-resolved functional magnetic resonance imaging that permitted segregation of encoding, retention and retrieval phases. All conditions were accompanied by the activation of a widespread network of parietal and prefrontal areas during the retention phase, but this retention-related activity showed additional modulations depending on task instructions. These modulations confirmed a posterior-anterior and right-left dissociation for spatial versus non-spatial memory and revealed that conjunction memory does not rely on a linear addition of the component processes.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Muckli, Professor Lars |
| Authors: | Munk, M.H., Linden, D.E., Muckli, L., Lanfermann, H., Zanella, F.E., Singer, W., and Goebel, R. |
| College/School: | College of Science and Engineering > School of Psychology College of Medical Veterinary and Life Sciences > School of Psychology & Neuroscience |
| Journal Name: | Cerebral Cortex |
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