Schemas and Memory Consolidation
Memory encoding occurs rapidly, but the consolidation of memory in the neocortex has long been held to be a more gradual process. We now report, however, that systems consolidation can occur extremely quickly if an associative "schema" into which new information is incorporated has previou...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2007-04, Vol.316 (5821), p.76-82 |
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| container_title | Science (American Association for the Advancement of Science) |
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| creator | Tse, Dorothy Langston, Rosamund F Kakeyama, Masaki Bethus, Ingrid Spooner, Patrick A Wood, Emma R Witter, Menno P Morris, Richard G.M |
| description | Memory encoding occurs rapidly, but the consolidation of memory in the neocortex has long been held to be a more gradual process. We now report, however, that systems consolidation can occur extremely quickly if an associative "schema" into which new information is incorporated has previously been created. In experiments using a hippocampal-dependent paired-associate task for rats, the memory of flavor-place associations became persistent over time as a putative neocortical schema gradually developed. New traces, trained for only one trial, then became assimilated and rapidly hippocampal-independent. Schemas also played a causal role in the creation of lasting associative memory representations during one-trial learning. The concept of neocortical schemas may unite psychological accounts of knowledge structures with neurobiological theories of systems memory consolidation. |
| doi_str_mv | 10.1126/science.1135935 |
| format | Article |
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We now report, however, that systems consolidation can occur extremely quickly if an associative "schema" into which new information is incorporated has previously been created. In experiments using a hippocampal-dependent paired-associate task for rats, the memory of flavor-place associations became persistent over time as a putative neocortical schema gradually developed. New traces, trained for only one trial, then became assimilated and rapidly hippocampal-independent. Schemas also played a causal role in the creation of lasting associative memory representations during one-trial learning. The concept of neocortical schemas may unite psychological accounts of knowledge structures with neurobiological theories of systems memory consolidation.</description><identifier>ISSN: 0036-8075</identifier><identifier>EISSN: 1095-9203</identifier><identifier>DOI: 10.1126/science.1135935</identifier><identifier>PMID: 17412951</identifier><identifier>CODEN: SCIEAS</identifier><language>eng</language><publisher>Washington, DC: American Association for the Advancement of Science</publisher><subject>Anatomical correlates of behavior ; Animal training ; Animals ; Association Learning ; Behavioral neuroscience ; Behavioral psychophysiology ; Biological and medical sciences ; Brain ; Cues ; Experiments ; Flavors ; Fundamental and applied biological sciences. Psychology ; Hippocampus ; Hippocampus - physiology ; Learning rate ; Lesions ; Male ; Memory ; Mental Recall ; Neocortex ; Neocortex - physiology ; Neurosciences ; Psychology. Psychoanalysis. Psychiatry ; Psychology. 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| ispartof | Science (American Association for the Advancement of Science), 2007-04, Vol.316 (5821), p.76-82 |
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| source | American Association for the Advancement of Science; Jstor Complete Legacy; MEDLINE |
| subjects | Anatomical correlates of behavior Animal training Animals Association Learning Behavioral neuroscience Behavioral psychophysiology Biological and medical sciences Brain Cues Experiments Flavors Fundamental and applied biological sciences. Psychology Hippocampus Hippocampus - physiology Learning rate Lesions Male Memory Mental Recall Neocortex Neocortex - physiology Neurosciences Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Rats Rodents Theory Time Factors Training |
| title | Schemas and Memory Consolidation |
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