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SUMMARY:Unifying the mechanisms of the hippocampal and prefrontal cognitiv
 e maps - James Whittington\, Sir Henry Wellcome Postdoctoral Fellow\, Stan
 ford University &amp\; Oxford University
DTSTART:20240508T111500Z
DTEND:20240508T121500Z
UID:TALK216493@talks.cam.ac.uk
CONTACT:Samuel Eckmann
DESCRIPTION:Cognitive maps have emerged as leading candidates\, both conce
 ptually and neurally\, for explaining how brains seamlessly generalize str
 uctured knowledge across apparently different scenarios. Two brain systems
  are implicated in cognitive mapping: the hippocampal formation and the pr
 efrontal cortex. Neural activity in these brain regions\, however\, differ
 s during the same task\, indicating that the regions have different mechan
 isms for cognitive mapping. In this talk\, we first provide a mechanistic 
 understanding of how the hippocampal and prefrontal systems could build co
 gnitive maps (with the hippocampal mechanism related to transformers and t
 he prefrontal mechanism related to RNNs/SSMs)\; second\, we demonstrate ho
 w these two mechanisms explain a wealth of neural data in both brain regio
 ns\; and lastly\, we prove that the two different mechanisms are\, in fact
 \, mathematically equivalent.
LOCATION:CBL Seminar Room\, Engineering Department\, 4th floor Baker build
 ing
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