Abstract
How can experts, sometimes in exacting detail, almost immediately and very precisely recall memory items from a vast repertoire? The problem in which we will be interested concerns models of theoretical neuroscience that could explain the speed and robustness of an expert's recollection. The approach is based on Sparse Distributed Memory, which has been shown to be plausible, both in a neuroscientific and in a psychological manner, in a number of ways. A crucial characteristic concerns the limits of human recollection, the “tip-of-tongue” memory event—which is found at a non-linearity in the model. We expand the theoretical framework, deriving an optimization formula to solve this non-linearity. Numerical results demonstrate how the higher frequency of rehearsal, through work or study, immediately increases the robustness and speed associated with expert memory.
Highlights
Szilard told Einstein about the Columbia secondary-neutron experiments and his calculations toward a chain reaction in uranium and graphite
How can experts—like Albert Einstein—immediately find meaning given very few cues? How can experts—like Leo Szilard—recollect, sometimes in exacting detail, memories that non-experts would find baffling? These abilities span wide across the spectrum of human activity: From full chess games played decades ago, to verses written by Dante, to exotic wines, or to the script and actors involved in movie scenes, experts can almost immediately and very precisely recall from a vast repertoire
In this text, we show that, given α, β, and d, minimizing the function: f(d) = 1 · 1 − α + β − d 2 n solves the issue of non-linearity involved in the critical distance of the model, that is, the psychological limits of human recollection at a given point in time
Summary
Szilard told Einstein about the Columbia secondary-neutron experiments and his calculations toward a chain reaction in uranium and graphite. Long afterward [Szilard] would recall his surprise that Einstein had not yet heard of the possibility of a chain reaction. When he mentioned it Einstein interjected, “Daranhabe ich gar nicht gedacht!”-“I never thought of that!” He was says Szilard, “very quick to see the implications and perfectly willing to do anything that needed to be done.”. —July 16, 1941, meeting between Leo Szilard and Albert Einstein concerning atomic weapons This work does not aim to continue these authors’ approaches to identification, categorization, similarity and psychological distance. We aim at discovering the bounds and limits of conceptual retrieval in human memory via the Sparse Distributed Memory (SDM) proxy
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