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Working memory and spatial span are areas where decline is most readily noted. Cognitive flexibility, however, has a late onset of impairment and does not usually start declining until around age 70 in normally functioning adults. [29] Impaired executive functioning has been found to be the best predictor of functional decline in the elderly. [41]
The Delis–Kaplan Executive Function System (D-KEFS) is a neuropsychological test used to measure a variety of verbal and nonverbal executive functions for both children and adults (ages 8–89 years).
Executive functioning is a theoretical construct representing a domain of cognitive processes that regulate, control, and manage other cognitive processes. Executive functioning is not a unitary concept; it is a broad description of the set of processes involved in certain areas of cognitive and behavioural control. [1]
Psychological tests such as the WCST, administered alone, cannot be used to measure the effects of a frontal lobe injury, or the aspects of cognitive function it may affect, such as working memory; a variety of tests must be used. [17] [30] [31] A participant may be good at one task but show dysfunction in executive function overall. Similarly ...
Each form of the BRIEF parent- and teacher- rating form contains 86 items in eight non-overlapping clinical scales and two validity scales.These theoretically and statistically derived scales form two indexes: Behavioral Regulation (three scales) and Metacognition (five scales), as well as a Global Executive Composite [6] score that takes into account all of the clinical scales and represents ...
Cognitive flexibility varies during the lifespan of an individual. [3] In addition, certain conditions such as obsessive–compulsive disorder are associated with reduced cognitive flexibility. Since cognitive flexibility is a vital component of learning, [4] deficits in this area might have other implications.
The tests are used by clinical neuropsychologists to assess executive functioning in people with neurological disorders such as tumors, [2] strokes, [3] acquired brain injury, [1] [4] Parkinson's disease, [5] dementia, [5] [3] Korsakoff's syndrome, [6] [3] encephalitis, [7] and also psychiatric diseases such as schizophrenia. [8]
Inhibitory control, also known as response inhibition, is a cognitive process – and, more specifically, an executive function – that permits an individual to inhibit their impulses and natural, habitual, or dominant behavioral responses to stimuli (a.k.a. prepotent responses) in order to select a more appropriate behavior that is consistent with completing their goals.