Dendritic Spines and their role in Memory and Cognition
Randy Gallistel and Adam King in their book Memory and the Computational Brain: Why Cognitive Science Will Transform Neuroscience, claim that addressable memory architecture is necessary to explain complex animal behaviour such as food caching by Scrub Jays or even the human capacity to recollect and reconsider prior beliefs.
Their view is contrasted with non-addressable architecture in contemporary neuroscience. Traditional neural networks suppose that computations in neural tissue are implemented by relaying action potentials between neurons. Gallistel and King argue that the implementation must be sought elsewhere. They offer two neurobiological suggestions of where to look, 1) subcellular, e.g. dendritic spines and 2) molecular, something like re-writable DNA & RNA. Philosophy of Memory
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