Grid Cells (Moser 2005):
Found in medial entorhinal
cortex (MEC), provide metric
for path integration.
Hexagonal firing pattern:
f(x) = Σ cos(kᵢ·x)
where kᵢ are 3 lattice vectors
60° apart.
Scale factor: √3 × spacing
Current rate:
0 Hz
Multiple modules at different
scales allow Bayesian decoding
with exponential capacity.
Found in medial entorhinal
cortex (MEC), provide metric
for path integration.
Hexagonal firing pattern:
f(x) = Σ cos(kᵢ·x)
where kᵢ are 3 lattice vectors
60° apart.
Scale factor: √3 × spacing
Current rate:
0 Hz
Multiple modules at different
scales allow Bayesian decoding
with exponential capacity.