Neural compass or epiphenomenon ? Experimental and theoretical investigations into the rodent head direction system

Abstract

How does the brain convert sensory information into abstract representations that can support complex behaviours? The rodent head-direction (HD) system, whose cell ensembles represent head direction in the horizontal plane, is a striking example of a “cognitive” representation without a direct sensory correlate. It can be updated by sensory inputs from… (More)

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