期刊
CURRENT OPINION IN NEUROBIOLOGY
卷 22, 期 2, 页码 294-300出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/j.conb.2011.12.005
关键词
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资金
- Alfred P Sloan Foundation
- Whitehall Foundation
- NARSAD
- NIH [RO1MH085832, R21MH086702, R01 NS039456, R01 MH094146]
- Johns Hopkins Medicine Brain Science Institute
- NSF [IBN-0344213]
The hippocampus has long been associated with navigation and spatial representations, but it has been difficult to link directly the neurophysiological correlates of hippocampal place cells with navigational planning and action. In recent years, large-scale population recordings of place cells have revealed that spatial sequences are stored and activated in ways that may support navigational strategies. Plasticity mechanisms allow the hippocampus to store learned sequences of locations that may allow predictions of future locations based on past experience. These sequences can also be activated during navigational behavior in ways that may allow the animal to learn trajectories toward goals. Task-dependent alterations in place cell firing patterns may reflect the operation of the hippocampus in associating locations with navigationally relevant decision variables.
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