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Plugging in to Human Memory: Advantages, Challenges, and Insights from Human Single-Neuron Recordings
1Centre for Systems Neuroscience, University of Leicester, Leicester, UK.
Abstract:
We describe single-neuron recordings in the human hippocampal formation, performed in epileptic patients for clinical reasons, and highlight their advantages, challenges, and limitations compared with non-invasive recordings in humans and invasive recordings in animals. We propose a unified framework to explain different findings-responses to novel stimuli, spatial locations, and specific concepts-linking the rodent and human literature regarding the function of the hippocampal formation. Moreover, we propose a model of how memories are encoded in this area, suggesting that the context-independent, invariant coding by concept cells may provide a uniquely human neural mechanism underlying memory representations.
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