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Journal Article

Dynamical Origin of the Effective Storage Capacity in the Brain's Working Memory

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Bick,  Christian
Max Planck Research Group Network Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Bick, C., & Rabinovich, M. I. (2009). Dynamical Origin of the Effective Storage Capacity in the Brain's Working Memory. Physical Review Letters, 103: 218101.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-12A5-7
Abstract
The capacity of working memory (WM), a short-term buffer for information in the brain, is limited. We suggest a model for sequential WM that is based upon winnerless competition amongst representations of available informational items. Analytical results for the underlying mathematical model relate WM capacity and relative lateral inhibition in the corresponding neural network. This implies an upper bound for WM capacity, which is, under reasonable neurobiological assumptions, close to the 'magical number seven'.