Intermediate Visual Store
A recent study has obtained evidence that could support the existence of an intermediate visual store with characteristics of both iconic memory and VSTM (Sligte et al., 2008). This intermediate store is proposed to have high capacity (up to 15 items) and prolonged memory trace duration (up to 4 seconds). It coexists with VSTM but unlike it visual stimuli can overwrite the contents of its visual store. Further research suggests an involvement of visual area V4 (Sligte et al., 2009).
Read more about this topic: Visual Short-term Memory
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