Chapter

Visual Memory

Nigel Daw

in How Vision Works

Published in print January 2012 | ISBN: 9780199751617
Published online May 2012 | e-ISBN: 9780199932375 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199751617.003.0011
Visual Memory

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Visual sensory memory lasts for the duration of the response in the retina. Visual short-term memory may comprise up to 10 objects during the first second, and drops to 4 after that. Only a few items can be remembered from the scene before a saccade and carried forward to be combined with the scene seen after a saccade. What is remembered is affected by where attention is directed. Visual long-term memory may last a lifetime, and it can be divided into declarative and nondeclarative, with further subdivisions. Traces of memory are found all over the visual system, particularly in the temporal lobe for declarative memory but also in lower areas.

Keywords: sensory memory; short-term memory; long-term memory; memory between fixations; temporal lobes; hippocampus

Chapter.  6388 words.  Illustrated.

Subjects: Neuropsychology

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