spatial view neurons which provide an allocentric representation of
locations being viewed, that is updated by self-motion (129, 152, 202, 237, 244,
spatial view neurons that combine information about spatial view and
objects (130, 131, 380)
or rewards (387), and are
involved in recall (399), providing
a basis for implementing episodic memory (539,
Hippocampal neurons that respond
to a combination of spatial view and place (202).
motion neurons in the hippocampus (184), more recently termed 'speed
cells'. These are relevant to hippocampal
spatial representation update by self-motion, i.e. idiothetic update.
neurons that respond to a combination of spatial view and whole body
motion (184, 202).
direction cells in the primate presubiculum (271).
representation of long-term familiarity memory in the perirhinal cortex
forebrain, probably cholinergic neurons, that project to the cortex and
to forebrain-decoded reward, aversive, and novel stimuli (144, 145,
146, 177, B7, B11).
These are thought to play a role in
keeping the cerebral cortex alert to
potentially important stimuli, and reducing the adaptation of cortical
Reduction in the performance of this system may contribute to some of
cognitive changes during aging (B8, B9,
involving synaptic facilitation that enable several items to be held
simultaneously in short-term memory (523)
and that may be useful in the syntax for language (537).
can be retrieved from biologically plausible attractor neuronal
rapidly (in less than 2 time constants of the synapses) (with A.Treves
makes cortical computation with attractor networks
storage capacity of autoassociation and pattern association networks
sparse representations and diluted connectivity (150,
228, 515, 545,
theory and model of hippocampal operation and episodic memory,
including pattern separation and pattern completion (111, 125,
453, 479, 504, 507, 521, 527,
A theory of how spatial view cells and hippocampal attractor networks are involved in the art of memory (571).