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The executive functions are among the last mental functions to reach maturity. This is due to the delayed maturation of the prefrontal cortex, which is not completely myelinated until well into a person's third decade of life. Development of executive functions tends to occur in spurts, when new skills, strategies, and forms of awareness emerge.
Therefore, there are no aggregate measures or composite scores for an examinee's performance. A vast majority of these tests are modified, pre-existing measures (e.g., the Trail Making Test); however, some of these measures are new indices of executive functions (e.g., Word Context Test).
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]
Neuropsychological tests are specifically designed tasks that are used to measure a psychological function known to be linked to a particular brain structure or pathway. [1] Tests are used for research into brain function and in a clinical setting for the diagnosis of deficits. They usually involve the systematic administration of clearly ...
This test consists of 30 points and takes 10 minutes for the individual to complete. The original English version is performed in seven steps, which may change in some countries dependent on education and culture. The basics of this test include short-term memory, executive function, attention, focus, and more.
The six tests are as follows: [2] Rule Shift Cards - Assesses the subject's ability to ignore a prior rule after being given a new rule to follow. Action Program - This test requires the use of problem solving to accomplish a new, practical task. Key Search - This test reflects the real-life situation of needing to find something that has been ...
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The Striatum; part of the basal ganglia; neural pathways between the striatum and the frontal lobe have been implicated in planning function. Cognitive planning is one of the executive functions . It encompasses the neurological processes involved in the formulation, evaluation and selection of a sequence of thoughts and actions to achieve a ...