It is just that graphs seem popular and powerful, whereas ‘maps’ are often less well defined and are perhaps old-fashioned. @behrenstimb @jcrwhittington https://twitter.com/biorxiv_neursci/status/1173734640747732992 …
https://doi.org/10.1016/j.neuron.2018.10.002 … 2/2
The Hippocampal Cognitive Map: One Space or Many?
My new Spotlight article for @TrendsCognSci is out today.
I discuss what the recent findings from @esolomon in @PNASNews might mean for the concept of diverse maps in the hippocampus:
https://www.sciencedirect.com/science/article/pii/S1364661319303158?via%3Dihub#s0005 …pic.twitter.com/f5d6ejJb4l
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Lots of past debate on what is 'really a map'. The place cells, to me, still provide compelling evidence that open space can be represented in what could be considered a geometric map like way, rather than just a topological representation.
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Very nice review. What do you think is the best definition of a map in the brain? Can it include a graph of states connected by actions? Do you think there is good evidence for non-retinotopic, 2D/3D maps in the brain (i.e with an origin and 2D/3D axes, not just graphs)? 1/2
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Let's not forget this nice review from Bill Warren, in which he argues that there is little evidence for Euclidean maps and that navigation behaviour is generally better explained by a labeled graph:https://pubmed.ncbi.nlm.nih.gov/30728233-non-euclidean-navigation/?from_term=warren+w+navigation+graph&from_pos=1 …
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I'm stoked to read this!
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Thanks Marissa. I’d be interested in your thoughts.
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my view, from place cell recordings in dorsal hippocampus, is that neurons can respond to many features, but strongly pre-disposed to spatially salient. First experiments in early 1980s were looking for many features but generally saw space.
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