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A neurophysioiogical account of working memory limits: Between-item segregation and within-chunk integration
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2001
Year
NeuropsychologyNeurolinguisticsCognitionAttentionShort-term MemorySocial SciencesPsychologyCritical Capacity LimitMemory LimitsWorking MemoryMemoryVisual Short-term MemoryCognitive NeuroscienceCognitive ScienceMemory SystemBetween-item SegregationChunking (Psychology)Within-chunk IntegrationModel MechanismsProcedural MemoryNeuroscienceIndependent Patterns
We suggest a neurophysiological account of the short-term memory capacity limit based on a model of visual working memory (Raffone & Wolters, in press). Simulations have revealed a critical capacity limit of about four independent patterns. The model mechanisms may be applicable to working memory in general and they allow a reinterpretation of some of the issues discussed by Cowan.