title: Dynamical origin of the effective storage capacity in the brain's working memory.
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."
authors.affiliation: BioCircuits Institute, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0402, USA. bick@nld.ds.mpg.de
authors.forename: Christian
authors.initials: C
authors.lastname: Bick
authors.forename: Mikhail I
authors.initials: MI
authors.lastname: Rabinovich
mesh_terms: D001921:Brain / Q000502:physiology*; D008570:Memory, Short-Term / Q000502:physiology*; D008954:Models, Biological; D013997:Time Factors