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Reward and self-regulation in online digital environments.

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Call No.	Ph.D. 2011
Author	Caudle, Kristina L.
Title	Reward and self-regulation in online digital environments.
Date	2011
Abstract	The motivational and rewarding properties of our immediate environment affect how humans interact with our world in a number of ways. One important aspect in which reward representation shapes behavior is in the development, maintenance and intransigence of addictions. Previous research has shown that a common neural substrate, centered upon mesolimbic dopaminergic activity, moderates the evolution and maintenance of addictions. This shared neural mechanism is of clinical and research interest. However, practical and ethical concerns often complicate the study of addiction and failures of self-regulation in general. Therefore, a model of addiction that is more amenable to being studied in patients, in the laboratory, is desirable. Online digital environments, such as World of Warcraft, might provide just such a model. Avid users of these online digital environments display many of the behavioral markers of addiction. The present thesis posits that excessive participation in these online digital environments provides a direct analogue to other addictions (for example, drug addictions), and as such offers a novel approach to study the formation, treatment, and relapse prevention of all addictions, as well as general failures in self-regulation. The overarching goal of this thesis is to determine (1) what does the neural instantiation of reward and self-regulation look like in online digital environments? and (2) what factors contribute to make these environments so rewarding and putatively addictive? Self-representation and negative affect will both be explored as contributing factors in Aim 2. In so doing, this research aims to extend our knowledge of the neural underpinnings of addictions and seeks to demonstrate that online digital environment use is a model system for generalized reward and self-regulation.
Description	1 online resource (xi, 157 leaves) : illustrations (some color)
Format	application/pdf
Advisor	Kelley, William M. ; Heatherton, Todd F. ; Hull, Jay ; Delgado, Mauricio
Subject	Reward (Psychology). ; Self-control. ; Internet addiction -- Physiological aspects. ; Behavior Addictive -- pathophysiology.
College	Dartmouth College -- Department of Psychological and Brain Sciences.
Issuing Body	Dartmouth Dissertations are made available through the Dartmouth Digital Library.
Degree	Thesis (Ph.D)--Dartmouth College.
Copyright	In Copyright. This material is protected by copyright and/or related rights. You are free to use this material in any way that is permitted by copyright law that applies to your use. For other uses, you need to obtain permission from the rights-holder(s). http://rightsstatements.org/page/InC/1.0/
DOI	https://doi.org/10.1349/ddlp.3005

Title	caudle2011 1
Full Text	REWARD AND SELF-REGULATION IN ONLINE DIGITAL ENVIRONMENTS A Thesis Submitted to the Faculty in partial fulfillment of the requirements for the Degree of Doctor of Philosophy in Psychology by Kristina L. Caudle DARTMOUTH COLLEGE Hanover, New Hampshire May 17, 2011

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Reward and self-regulation in online digital environments.

Reward and self-regulation in online digital environments.