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Neurobehavioral Strategies of Skill ...

McDonnell, Jessica.

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Neurobehavioral Strategies of Skill Acquisition in Left and Right Hand Dominant Individuals

Record Type:	Electronic resources : Monograph/item
Title/Author:	Neurobehavioral Strategies of Skill Acquisition in Left and Right Hand Dominant Individuals /
Author:	McDonnell, Jessica.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
Description:	121 p.
Notes:	Source: Dissertations Abstracts International, Volume: 82-09, Section: B.
Contained By:	Dissertations Abstracts International82-09B.
Subject:	Neurosciences. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28400881
ISBN:	9798582523376

Neurobehavioral Strategies of Skill Acquisition in Left and Right Hand Dominant Individuals
McDonnell, Jessica.

Neurobehavioral Strategies of Skill Acquisition in Left and Right Hand Dominant Individuals - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 121 p.

Source: Dissertations Abstracts International, Volume: 82-09, Section: B.

Thesis (Ph.D.)--East Carolina University, 2020.

This item is not available from ProQuest Dissertations & Theses.

The brain consists of vast networks of connected pathways communicating through synchronized electrochemical activity propagated along fiber tracts. The current understanding is that the brain has a modular organization where regions of specialized processes are dynamically coupled through long-range projections of dense axonal networks connecting spatially distinct regions enabling signal transfer necessary for all complex thought and behavior, including regulation of movement. The central objective of the dissertation was to understand how sensorimotor information is integrated, allowing for adaptable motor behavior and skill acquisition in the leftand right-hand dominant populations. To this end participants, of both left- and right-hand dominance, repeatedly completed a visually guided, force matching task while neurobiological and neurobehavioral outcome measurements were continuously recorded via EEG and EMG. Functional connectivity and graph theoretical measurements were derived from EEG. Cortico-cortical coherence patterns were used to infer neurostrategic discrepancies employed in the execution of a motor task for each population. EEG activity was also correlated with neuromuscular activity from EMG to calculate cortico-muscular connectivity. Neurological patterns and corresponding behavioral changes were used to express how hand dominance influenced the developing motor plan, thereby increasing understanding of the sensorimotor integration process.The cumulative findings indicated fundamental differences in how left- and right-hand dominant populations interact with the world. The right-hand dominant group was found to rely on visual information to inform motor behavior where the left-hand dominant group used visual information to update motor behavior. The left-hand group was found to have a more versatile motor plan, adaptable to both dominant, nondominant, and bimanual tasks. Compared to the right-hand group it might be said that they were more successful in encoding the task, however behaviorally they performed the same. The implications of the findings are relevant to both clinical and performance applications providing insight as to potential alternative methods of information integration. The inclusion of the left-hand dominant population in the growing conceptualization of the brain will generate a more complete, stable, and accurate understanding of our complex biology.

ISBN: 9798582523376Subjects--Topical Terms:

588700
Neurosciences.
Subjects--Index Terms:

Brain networks

Neurobehavioral Strategies of Skill Acquisition in Left and Right Hand Dominant Individuals
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