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(A) Atkinson and Shiffrin’s (1971) model of STM. (B) Baddeley and Hitch’s working memory model (Baddeley, 2000). (C) Cowan’s (1988) model of memory and attention. (D) Oberauer’s (2002) model of working memory. Nodes and lines correspond to long-term memory representations. Black nodes are activated. Nodes within the large oval are in the direct access region. One node is in the focus of attention.
