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Neurophysiology of Remembering.
György Buzsáki1,2, Sam McKenzie3, Lila Davachi4,5
1Neuroscience Institute and Department of Neurology, NYU Grossman School of Medicine, New York University, New York, NY 10016, USA;
Annual Review of Psychology
|September 18, 2021
Summary
Human memory, crucial for identity, is re-examined through a brain-based lens focusing on hippocampal physiology. This research proposes that neuronal networks select pre-existing trajectories to match world events, challenging the blank slate theory.
Area of Science:
- Neuroscience
- Cognitive Science
- Psychology
Background:
- Declarative memory traditionally studied via language and introspection.
- Separate research paths for human and animal memory.
- Limitations of mind-based approaches to memory.
Purpose of the Study:
- Advocate for a brain-based understanding of declarative memory.
- Explore hippocampal physiology's role in memory.
- Investigate common mechanisms in real and mental navigation.
- Propose a new framework for classifying memory types.
Main Methods:
- Review of existing literature on memory and navigation.
- Analysis of hippocampal physiology.
- Theoretical framework development for memory classification.
- Hypothesis generation on neuronal network function.
Main Results:
- Mind-based memory studies have limitations.
- Navigation in real and mental spacetime shares physiological mechanisms.
- Memory types can be distinguished by their action-subserving utility (single vs. multiple uses).
- Neuronal networks possess inherent trajectories, not a blank slate.
Conclusions:
- A shift towards a brain-based approach, emphasizing hippocampal function, is needed for understanding declarative memory.
- Memory classification should consider the functional utility of associated actions.
- The brain's challenge lies in matching external events with pre-existing neuronal trajectories, rather than passively receiving imprints.
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