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In human vision, the useful field of view (or UFOV) is the visual area from which information can be extracted without eye or head movements. [1] UFOV size generally decreases with age, [2] most likely due to decreases in visual processing speed, reduced perception, and increased susceptibility to distraction.
The test can provide information about visual search speed, scanning, speed of processing, mental flexibility, and executive functioning. [1] It is sensitive to cognitive impairment associated with dementia , including Alzheimer's disease .
This is timed, and some of the more difficult puzzles award bonuses for speed. Visual Puzzles (primary) – children view a puzzle in a stimulus book and choose from among pieces of which three could construct the puzzle. The VSI is a measure of visual spatial processing. The FRI is derived from the Matrix Reasoning and Figure Weights subtests ...
Processing Speed Symbol Search View rows of symbols and target symbols, and mark whether or not the target symbols appear in each row. Processing speed Coding Transcribe a digit-symbol code using a key. The task is time-limited. Processing speed, associative memory, graphomotor speed Cancellation
The Cattell–Horn–Carroll theory factors that this test examines are based on 9 broad stratum abilities, although the test is able to produce 20 scores [4] only seven of these broad abilities are more commonly measured: comprehension-knowledge (Gc), fluid reasoning (Gf), short-term memory (Gsm), processing speed (Gs), auditory processing (Ga), visual-spatial ability (Gv), and long-term ...
Object processing, including tasks such as object recognition and location, is an example of higher-level visual processing. High-level visual processing depends on both top-down and bottom-up processes. Bottom-up processing refers to the visual system's ability to use the incoming visual information, flowing in a unidirectional path from the ...