Three-dimensional spatial selectivity of hippocampal neurons during space flight
‘Place’ cells of the hippocampus and ‘head-direction’ (HD) cells of the thalamus and limbic cortex derive their spatial and directional specificity from a combination of idiothetic (self-motion) cues and external landmarks, which normally reinforce each other to generate a robust neural code for loc...
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| Veröffentlicht in: | Nature neuroscience 2000-03, Vol.3 (3), p.209-210 |
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| creator | Knierim, J. J. McNaughton, B. L. Poe, G. R. |
| description | ‘Place’ cells of the hippocampus and ‘head-direction’ (HD) cells of the thalamus and limbic cortex derive their spatial and directional specificity from a combination of idiothetic (self-motion) cues and external landmarks, which normally reinforce each other to generate a robust neural code for location and direction
1
. In weightlessness, however, three-dimensional navigation can cause the idiothetic and landmark cues to conflict. Nonetheless, neural recordings on the space shuttle demonstrated that the hippocampus can create a robust spatial code for three orthogonal surfaces in the weightless environment of space flight. |
| doi_str_mv | 10.1038/72910 |
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. In weightlessness, however, three-dimensional navigation can cause the idiothetic and landmark cues to conflict. 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| source | Nature_系列刊; MEDLINE; Springer Nature - Complete Springer Journals; NASA Technical Reports Server |
| subjects | Adaptation, Physiological Animal Genetics and Genomics Animals Behavioral Sciences Biological Techniques Biomedical and Life Sciences Biomedicine brief-communication Cues Electrodes Electroencephalography Environment Gravitation Hippocampus (Brain) Hippocampus - cytology Hippocampus - physiology Life Sciences (General) Locomotion - physiology Neurobiology Neurons Neurons - physiology Neurosciences Physiological aspects Rats Space Flight Space life sciences Space Perception - physiology Weightlessness |
| title | Three-dimensional spatial selectivity of hippocampal neurons during space flight |
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