Journal
SCIENCE
Volume 359, Issue 6372, Pages 218-+Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.aao3474
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Funding
- European Research Council (ERC-CoG-NATURAL_BAT_NAV)
- Israel Science Foundation [ISF 1319/13]
- Minerva Foundation
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Social animals have to know the spatial positions of conspecifics. However, it is unknown how the position of others is represented in the brain. We designed a spatial observational-learning task, in which an observer bat mimicked a demonstrator bat while we recorded hippocampal dorsal-CA1 neurons from the observer bat. A neuronal subpopulation represented the position of the other bat, in allocentric coordinates. About half of these social placecells represented also the observer's own position-that is, were place cells. The representation of the demonstrator bat did not reflect self-movement or trajectory planning by the observer. Some neurons represented also the position of inanimate moving objects; however, their representation differed from the representation of the demonstrator bat. This suggests a role for hippocampal CA1 neurons in social-spatial cognition.
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