Document Detail


Adaptation, expertise, and giftedness: towards an understanding of cortical, subcortical, and cerebellar network contributions.
MedLine Citation:
PMID:  20680539     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Current cortico-centric models of cognition lack a cohesive neuroanatomic framework that sufficiently considers overlapping levels of function, from "pathological" through "normal" to "gifted" or exceptional ability. While most cognitive theories presume an evolutionary context, few actively consider the process of adaptation, including concepts of neurodevelopment. Further, the frequent co-occurrence of "gifted" and "pathological" function is difficult to explain from a cortico-centric point of view. This comprehensive review paper proposes a framework that includes the brain's vertical organization and considers "giftedness" from an evolutionary and neurodevelopmental vantage point. We begin by discussing the current cortico-centric model of cognition and its relationship to intelligence. We then review an integrated, dual-tiered model of cognition that better explains the process of adaptation by simultaneously allowing for both stimulus-based processing and higher-order cognitive control. We consider the role of the basal ganglia within this model, particularly in relation to reward circuitry and instrumental learning. We review the important role of white matter tracts in relation to speed of adaptation and development of behavioral mastery. We examine the cerebellum's critical role in behavioral refinement and in cognitive and behavioral automation, particularly in relation to expertise and giftedness. We conclude this integrated model of brain function by considering the savant syndrome, which we believe is best understood within the context of a dual-tiered model of cognition that allows for automaticity in adaptation as well as higher-order executive control.
Authors:
Leonard F Koziol; Deborah Ely Budding; Dana Chidekel
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Cerebellum (London, England)     Volume:  9     ISSN:  1473-4230     ISO Abbreviation:  Cerebellum     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-12-03     Completed Date:  2011-03-28     Revised Date:  2014-03-25    
Medline Journal Info:
Nlm Unique ID:  101089443     Medline TA:  Cerebellum     Country:  United States    
Other Details:
Languages:  eng     Pagination:  499-529     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Adaptation, Physiological / physiology*
Animals
Basal Ganglia / physiology
Cerebellum* / anatomy & histology,  physiology
Child
Child, Gifted*
Cognition / physiology
Functional Laterality
Humans
Intelligence
Mental Processes*
Models, Anatomic*
Models, Psychological
Motivation
Neural Pathways / anatomy & histology,  physiology
Perception
Professional Competence*
Reward

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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