Here is yet more evidence that psychologist Robert Epstein is all wet when he claims that computation-based metaphors for understanding the brain are factually wrong and hindering research.
Actual research neuroscientists, summarizing what we know about memory, cheerfully use phrases like “storage of information”, “stored memory information”, “information retrieval”, “information storage”, “the systematic process of collecting and cataloging data”, “retriev[ing]” of data, and so forth. Epstein claims the brain does not form “representations of visual events”, but these researchers say “Memory involves the complex interplay between forming representations of novel objects or events…”. The main theme of the essays seems to be that spines and synapses are the fundamental basis for memory storage.
So who do you think is likely to know more about what’s going on in the brain? Actual neuroscientists who do research on the brain and summarize the state of the art about what is known in a peer-reviewed journal? Or a psychologist who publishes books like The Big Book of Stress-Relief Games?
Hat tip: John Wilkins.
P. S. Yes, I saw the following “Further, LTP and LTD can cooperate to redistribute synaptic weight. This notion differs from the traditional analogy between synapses and digital information storage devices, in which bits are stored and retrieved independently. On the other hand, coordination amongst multiple synapses, made by different inputs, provides benefits with regard to issues of normalization and signal-to-noise.” Again, nobody thinks that the brain is structured exactly like a modern digital computer. Mechanisms of storage and retrieval are likely to be quite different. But the modern theory of computation makes no assumptions that data and programs are stored in any particular fashion; it works just as well if data is stored on paper, disk, flash drive, or in brains.