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Exploring the relation between social anxiety and depression in youth: the roles of friendship and peer acceptance
(University of Missouri--Columbia, 2005)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] This study examined whether problems establishing and maintaining positive, supportive relationships with peers may mediate the relation between social ...
Using nested structures to select models for developmental trajectories of cognitive abilities in adulthood
(University of Missouri--Columbia, 2010)
Change over time can be modeled through a variety of statistical techniques including, but not limited to, linear or quadratic slope-intercept (SI), repeated-measures MANOVA, and single-factor growth models. Choice of ...
Is maturing out of problematic alcohol involvement related to personality change?
(University of Missouri--Columbia, 2008)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Problematic alcohol involvement typically peaks in the early 20s and declines with age. This "maturing out" of alcohol involvement is usually attributed ...
Acute & subchronic NMDA receptor blockade alters nicotine-evoked dopamine release
(University of Missouri--Columbia, 2007)
Blockade of ionotropic glutamate receptors can induce changes in central dopamine and glutamate circuits, which model the symptoms of schizophrenia. Nicotine evokes dopamine release through activation of nicotinic acetylcholine ...
Food 'four' thought : examining sigma-1 receptor antagonist PD144418 on food reinforced behaviors
(University of Missouri--Columbia, 2020)
, or work, for food pellets but has no impact on the consumption of freely available food pellets. Such effects on motivational effort to work for food occur regardless of sex. However, alterations in physiological factors, such as energy intake, appear...
Decomposing individual and group differences of categorical variables with genetic factor model
(University of Missouri--Columbia, 2007)
The method of decomposing individual and group differences on ordered categorical variables into genetic and environmental factors is introduced. Although the genetic factor model is used to identify the relative contributions ...
Sex differences in antisocial behavior
(University of Missouri--Columbia, 2010)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The purpose of this research was to gain insight into the etiology of antisocial behavior (AB; delinquency, conduct disorder symptoms and antisocial ...
Affective instability and impulsivity in borderline personality disorder
(University of Missouri--Columbia, 2006)
Affective instability and impulsivity are primary features of borderline personality disorder (BPD). We examined the effect of an interaction between these features, represented by FFM analogues of negative affectivity and ...
Multisystemic therapy across the lifespan : a 21.9-year follow-up to a randomized clinical trial with serious and violent juvenile offenders
(University of Missouri--Columbia, 2008)
In this study, we examined the long-term criminal and civil court outcomes of 176 serious and violent juvenile offenders who had participated in either multisystemic therapy (MST) or individual therapy (IT) in a randomized ...
Investigating dyadic interactions within the family as an interdependent system : associations between mothers and adolescent siblings
(University of Missouri--Columbia, 2020)
Adolescence is a developmental time period of self-exploration and self-discovery for that brings about change to family processes and interactions. Conflict during this time can be interpreted as a mechanism that ...
Effects of deep brain stimulation on implicit learning in patients with Parkinson's disease
(University of Missouri--Columbia, 2009)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] This thesis extends previous work examining the effects of deep brain stimulation (DBS) of the subthalamic nucleus (STN) on cognitive functioning by ...
The relations of violence exposure, trauma symptoms and aggressive cognitions to youth violent behavior
(University of Missouri--Columbia, 2005)
Studies show that adolescents in the United States are disproportionately represented among both the victims and the perpetrators of violent crimes (U.S. Department of Justice, 2002). Studies also show that previous exposure ...
Does early androgen exposure moderate developmental plasticity?
(University of Missouri--Columbia, 2020)
Little is known about what mechanisms allow some individuals more than others to flexibly develop cognitive competencies and behavioral biases while growing up to better meet the demands of their ecology, a phenomenon known ...
The effect of modafinil on psychostimulant-evoked [³H]dopamine release from rat striatal slices
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Modafinil is a novel wake-promoting compound currently marketed as a stimulant that lacks the side effects and addictive potential of typical ...
Individual differences affect hormonal responses to a team-based violent videogame competition, but not in solitary play
(University of Missouri--Columbia, 2010)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Testosterone and cortisol were assessed along with various personality measures in response to a violent videogame competition in three different ...
Associations between executive functioning, affect-regulation drinking motives and alcohol use and problematic drinking
(University of Missouri--Columbia, 2016)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Extant literature confirms the direct effects of two key constructs on alcohol use and problematic drinking: (1) motivations to use alcohol to regulate ...
Common and specific alcohol risk factors in African Americans and Caucasians
(University of Missouri--Columbia, 2010)
Considerable research evidence shows that the alcoholism risk process differs for African Americans and Caucasians (Bachman et al., 1991; Wallace et al., 2003). The current study was designed to test a model examining ...
Criminal behavior patterns of adolescents and young adults who have histories of sexual offenses
(University of Missouri--Columbia, 2008)
The development of criminal trajectories among sexual offenders (SOs) was explored in two studies. Study 1 focused on identifying distinct criminal trajectories, and Study 2 examined the association between these trajectories ...
Towards an integrative transdisciplinary framework for understanding the etiopathogenesis of problematic drinking : insights from deep phenotyping and network modeling for personalized prevention
(University of Missouri--Columbia, 2020)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Background and Significance. Decades of research have consistently suggested that persistent problematic drinking is an etiologically heterogeneous ...
Resolving the conflict between the discrete-slots and distributed-resources models of working-memory capacity
(University of Missouri--Columbia, 2011)
It is generally accepted that Working Memory is limited in capacity. However, there has been substantial debate over whether this limit in capacity is best described as a finite limit on the number of items that can be ...