By John M. Morihisa
Albany clinical collage, Albany, manhattan. deals clinicians and researchers more desirable knowing of the idea and perform of mind imaging in psychiatry. stories functions to such problems as melancholy, obsessive-compulsive ailment, and schizophrenia. Softcover. DNLM: psychological issues - analysis.
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Additional resources for Advances in Brain Imaging
A schematic model of executive functions, illustrating the interactive nature of top-down control and performance monitoring, is shown in Figure 2–1. A large, convergent set of data from cognitive neuroscience implicates the frontal lobes in playing a central role in executive functions. Two frontal regions in particular have been emphasized: 1) the anterior cingulate cortex (ACC), on the medial surface of the brain (astride the corpus callosum), and 2) the dorsolateral prefrontal cortex (DLPFC), on the lateral convexity.
Psychol Med 29:997–1002, 1999 O’Rourke DH, Gottesman II, Suarez BK, et al: Refutation of the general single-locus model for the etiology of schizophrenia. Am J Hum Genet 34(4):630–649, 1982 Phillips ML, Williams L, Senior C, et al: A differential neural response to threatening and non-threatening negative facial expressions in paranoid and non-paranoid schizophrenics. Psychiatric Research: Neuroimaging 92(8):11–31, 1999 Piercy M: The effects of cerebral lesions on intellectual function: a review of current research trends.
On this view, errorrelated activity would simply reflect conflict between the incorrect response that has just been executed and an ongoing attempt to execute the correct response as subjects continue to attempt to perform as instructed. This has led to an alternative view regarding the evaluative function of the ACC, namely, that this region of the brain detects processing conflicts and thus is part of an error 30 ADVANCES IN BRAIN IMAGING prevention network (Carter et al. 1998, 1999). Within this framework, the ACC contributes to executive control by continuously evaluating the level of response conflict in the brain; when it is high, it signals other components of the executive network that attention needs to be more strongly engaged in order to avoid making errors.
Advances in Brain Imaging by John M. Morihisa