Multiple Cortical Inputs to Hippocampus Extension

Extension of TEM-t to handle conjunctions of more than two brain regions with linear (not exponential) scaling in hippocampal neuron count.

Neighborhood — ranked by edge-count

Papers (1)

paper

Relating transformers to models and neural representations of the hippocampal formation
introduces

Concepts (1)

concept

Hippocampal representation of related and opposing memories (McKenzie et al., 2014)
supports
Experimental evidence that hippocampal neurons respond to more than two task variables; motivates multi-input extension of TEM-t.

Frameworks (1)

framework

TEM-Transformer (TEM-t)
extends
The transformer version directly analogous to TEM, introduced in this paper, offering dramatic performance improvements.

Related by similarity (8)

cosine ≥ 0.65 · no typed edge

Entities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.

There is a many-to-many mapping between neurons and concepts, meaning multiple high-level causal variables might be encoded in overlapping groups of neuronsclaim0.761
Fundamental theoretical claim motivating DAS, attributed to Smolensky/Rumelhart/McClelland.
Hippocampal Indexing Theoryframework0.756
Theory that hippocampus provides an index binding together cortical patterns across different brain regions; TEM-t is shown to instantiate this.
The hippocampus as a predictive map (Stachenfeld et al., 2017)concept0.737
Graph representation model of hippocampus; related work category 2.
Hippocampusconcept0.736
Brain region corresponding to the memory/conjunction component in TEM; memory neurons resemble place cells.
Split-brain patients and other aspects of cognitive neuroscience demonstrate that higher-level cognitive processes lack infallible access to lower-level processes and construct plausible post-hoc explanationsfinding0.727
Cited as empirical evidence that confabulation is universal in biological cognition, not AI-specific
The hippocampus as a spatial map (O'Keefe & Dostrovsky, 1971)concept0.725
Original discovery of place cells; the neural phenomenon TEM-t memory neurons resemble.
The Hippocampal Indexing Theory and Episodic Memory (Teyler & Rudy, 2007)concept0.724
Original paper on hippocampal indexing theory; TEM-t is shown to instantiate this theory.
Short-term cortical memory neurons may suffice for transformer-like computation in cortex without hippocampal involvement for non-long-term-memory taskshypothesis0.724
Speculative hypothesis about how cortical transformer instantiation avoids requiring hippocampus.