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The study of executive function in Parkinson's disease suggests subcortical areas such as the amygdala, hippocampus and basal ganglia are important in these processes. Dopamine modulation of the prefrontal cortex is responsible for the efficacy of dopaminergic drugs on executive function, and gives rise to the Yerkes–Dodson Curve. [119]
The cerebral cortex, also known as the cerebral mantle, [1] is the outer layer of neural tissue of the cerebrum of the brain in humans and other mammals.It is the largest site of neural integration in the central nervous system, [2] and plays a key role in attention, perception, awareness, thought, memory, language, and consciousness.
During stimulation various language tasks are used to check brain function such as reading sentences, auditory comprehension, and spontaneous speech such as naming objects. [1] Cortical stimulation in language areas of the brain typically tests for the inhibition of some language capability, rather than a defined motor or sensory response.
A single test, such as the WCST, 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; variety of tests must be used. A subject may be good at one task but show dysfunction in executive function overall. Similarly, test results can be made misleading after ...
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 ...
The orbitofrontal cortex (OFC) is a prefrontal cortex region in the frontal lobes of the brain which is involved in the cognitive process of decision-making. In non-human primates it consists of the association cortex areas Brodmann area 11 , 12 and 13 ; in humans it consists of Brodmann area 10 , 11 and 47 .
The Anterior Cingulate Cortex (ACC) is highlighted in yellow. When subjects participate in the Eriksen Flanker Task, the anterior cingulate cortex, or the ACC, is activated. The ACC is a frontal brain structure responsible for a wide variety of autonomic functions. It is observed to be more active in response to processing incongruent stimuli ...
The test is designed to measure reasoning ability. The results of these tests are then paired with the results of imaging studies and relationships are drawn i.e. higher RPM scores and the increased size of a specific brain structure.