The Journal of Neuroscience, April 12, 2006, ():
Impaired Sequential Egocentric and Allocentric Memories in Forebrain-Specific–NMDA Receptor Knock-Out Mice during a New Task Dissociating Strategies of Navigation
J. Neurosci. Rondi-Reig et al.
26: 4071
Supplemental data
Files in this Data Supplement:
- supplemental material
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Supplementary figure – Possible relative involvement of the hippocampus and the deep cortical layers in the sequentially-organized egocentric strategy. Idiothetic (self-motion related) and allothetic (information about the external environment) signals are initially processed by different subsystems involving either the hippocampus or the striatum. It is hypothesized that NMDARs-dependent mechanisms (represented by a triangle) in the CA1 area of the hippocampus are needed for allocentric strategy (red arrow). When egocentrically coded sensory information has to be sequentially organized, the subsystem dependent of the NMDARs of the CA1 area of the hippocampus and in the deep layer of the neocortex would cooperate with other networks including the striatum (blue arrow). By contrast, in the case of a simple egocentric strategy, another network requiring structures such as the caudate nucleus would be involved (green arrow). Notice that arrows do not represent direct anatomical projections and that only three structures of interest are taken into account in this highly simplified diagram.
