Grover's algorithm and human memory

Details Grover's algorithm and human memory Grover's algorithm and human memory

2008-04-21

arxiv.org/abs/0804.3294v1

Physics

Quantum Physics

Scientific paper

In this article we consider an experimental study showing the influence of emotion regulation strategies on human memory performance: part of such experimental results are difficult to explain within a classic cognitive allocation model. We provide a first attempt to build a model of human memory processes based on a quantum algorithm, the Grover's algorithm, which allows to search a particular item within an unsorted set of items more efficiently than any classic search algorithm. Based on Grover's algorithm paradigm, this new memory model results to have interesting features: it is an iterative process, it uses parallelism and interference effects. Moreover, the strength of such interference effects depends on a parameter of the generalized Grover's algorithm, called the phase, which admits an interpretation in terms of the emotions involved by the items and by the emotion regulation strategies. Thus we show that a reasonable choice of the phase is able to describe correctly the experimental results we consider.

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