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In psychology and neuroscience, executive dysfunction, or executive function deficit is a disruption to the efficacy of the executive functions, which is a group of cognitive processes that regulate, control, and manage other cognitive processes. [1] Executive dysfunction can refer to both neurocognitive deficits and behavioural symptoms.
It’s still being studied, but researchers know that executive dysfunction comes courtesy of various mental and physical health conditions, and manifests differently depending on the condition.
The dysfunction can range from mild and subtle to severe and obvious. There is a tremendous variability in the manifestations of executive dysfunction with strong influences often apparent from the affected person's personality, life experiences and intellect. [5]
The executive system has been traditionally quite hard to define, mainly due to what psychologist Paul W. Burgess calls a lack of "process-behaviour correspondence". [98] That is, there is no single behavior that can in itself be tied to executive function, or indeed executive dysfunction. For example, it is quite obvious what reading-impaired ...
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 ...
Such executive deficits pose serious problems for a person's ability to engage in self-regulation over time to attain their goals and anticipate and prepare for the future. Adele Diamond postulated that the core cognitive deficit of those with ADHD-I is working memory , or, as she coined in a paper on the subject, "childhood-onset dysexecutive ...
An imbalance between the relative influence between the emotional and executive systems is posited to be responsible for the heightened levels of risk-taking and emotionality observed in adolescents. Specifically, dopamine-rich regions related to motivation, including the ventral striatum which has been shown to represent the appetitive value ...
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