alexa There are Two Different Dysexecutive Syndromes
ISSN: 2329-6895

Journal of Neurological Disorders
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Review Article

There are Two Different Dysexecutive Syndromes

Alfredo Ardila*
Department of Communication Sciences and Disorders, Florida International University, Florida, USA
Corresponding Author : Alfredo Ardila
Department of Communication Sciences and Disorders
11200 SW 8th Street, AHC3-431B, Florida International University
Miami, Florida 33199, USA
Tel: (305) 348-2750
E-mail: [email protected]
Received February 11, 2013; Accepted April 16, 2013; Published April 18, 2013
Citation: Ardila A (2013) There are Two Different Dysexecutive Syndromes. J Neurol Disord 1:114. doi: 10.4172/2329-6895.1000114
Copyright: © 2013 Ardila A. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

The idea of “executive function” has become a fundamental concept in contemporary neurosciences. However, some disagreement remains around the question of unity or diversity (non-unitary) of executive functions and different points of view have been proposed. In this paper it is suggested that two major types of executive dysfunction syndromes can be separated: (a) Metacognitive executive dysfunction syndrome associated with dorsolateral frontal damage; and (b) Motivational/emotional executive dysfunction syndrome associated with orbitofrontal and medial frontal pathology. The first one is characterized by disturbances in intellectual abilities (“intelligence”), whereas the second one relates to impairments in behavioral control (disinhibition, impulsivity, etc.). Contemporary neuroimaging studies support this proposal.

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