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Visual memory is one of several cognitive systems, which are all interconnected parts that combine to form the human memory. [2] Types of palinopsia , the persistence or recurrence of a visual image after the stimulus has been removed, is a dysfunction of visual memory.
The human processor model uses the cognitive, perceptual, and motor processors along with the visual image, working memory, and long term memory storages. A diagram is shown below. Each processor has a cycle time and each memory has a decay time.
To allow comparison with human performance, artificial intelligence can be evaluated on constrained and well-defined problems. Such tests have been termed subject-matter expert Turing tests . Also, smaller problems provide more achievable goals and there are an ever-increasing number of positive results.
The NASA Task Load Index (NASA-TLX) is a widely used, [1] subjective, multidimensional assessment tool that rates perceived workload in order to assess a task, system, or team's effectiveness or other aspects of performance (task loading).
The introduction of stimuli which were hard to verbalize, and unlikely to be held in long-term memory, revolutionized the study of VSTM in the early 1970s. [6] [7] [8] The basic experimental technique used required observers to indicate whether two matrices, [7] [8] or figures, [6] separated by a short temporal interval, were the same.
The source of P1 component, as opposed to the C1 component, is not entirely known. Work presenting bars in different sections of the visual field, some of which were presented in attended parts of the visual field and some were not, points to the neurological source of the P1 somewhere over the ventrolateral prestriate cortex or Brodmann's Area 18.
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The Wechsler Memory Scale (WMS) is a neuropsychological test designed to measure different memory functions in a person. Anyone ages 16 to 90 is eligible to take this test. The current version is the fourth edition (WMS-IV) which was published in 2009 and which was designed to be used with the WAIS-