Browsing Psychology, Department of by Publish Date
Now showing items 1-20 of 293
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The Role of Dopamine in Locomotor Activity and Learning
(Elsevier, 1983-10)The discovery that the brain contains neurons utilizing dopamine (DA) as their transmitter has led to studies of the behavioral function of these neurons. Changes in overall level of activity of DA neurons appear to produce ... -
Trait self-esteem moderates the effect of initiator status on emotional and cognitive responses to romantic relationship dissolution
(2007-07-18)Romantic relationship dissolution has been implicated in the onset of mood disorders (Monroe et al.,1999; Overbeek et al., 2003). It is therefore imperative that researchers and mental health professionals have an understanding ... -
The direct and moderating effect of bullying on adolescent health
(2007-07-19)In the last two decades, research has established a negative association between involvement in bullying and emotional health difficulties. Few studies, in comparison, explore the relationship between bullying and ... -
The impact of information processing goals and capacity restrictions on attitude-memory
(2007-08-09)Researchers have long presumed that attitudes play a role in information processing, affecting memory in an attitude-consistent manner. This is known as congeniality. This presumption was largely dismissed as a result of ... -
The dimensionality and construct valid measurement of life meaning
(2007-08-28)This research sought to clarify the construct of life meaning by creating a new, multidimensional measure of life meaning. In an initial study, 392 university undergraduates (317 women, 75 men) completed several existing ... -
Reward devaluation in a two-link chain schedule: effects of reward density in the proximal link and food restriction protocol in rats
(2007-09-13)Food restriction has been shown to affect responding for reward and has been manipulated to devalue reward. Reward density has been shown to alter responding in both first-order schedules and chain schedules. Devaluation ... -
Transition into School: Experiences of Children with Intellectual Disabilities and their Families
(2007-09-18)A successful transition into kindergarten is of the utmost importance, as it marks the beginning of formal education and paves the way for future academic and social outcomes. The transition into school is considered to ... -
Infants reason about functional information embedded in means-end sequences
(2007-09-18)For young infants, knowledge of physical objects and animate agents seems highly rigid, with no information combined across domains. Adult cognition, however, is more flexible. In this thesis, I use a special category ... -
The Relationship Between Psychosocial Functioning and Diffuse Noxious Inhibitory Control Function in Women With Provoked Vestibulodynia and Pain Free Controls
(2007-09-28)Provoked Vestibulodynia (PVD) is the most common form of chronic vulvar pain, affecting 12% of women in the general population. PVD is characterized by a severe burning pain in response to pressure localized to the vaginal ... -
Personality, stressful life events, and treatment response in major depression
(2007-09-28)Major Depression (MD) currently affects over 17 million individuals in North America (Greenberg et al., 2003). Identifying factors predictive of MD treatment response is important for developing more efficacious treatments ... -
Executive Functioning and Theory of Mind Development: A Training Study
(2007-10-01)This study was conducted to investigate the processes underlying the relation between executive functioning and false belief knowledge. We explored the hypothesis that children with advanced executive functioning skills ... -
A Developmental Perspective on Children and Adolescents who Bully and are Victimized by Peers
(2007-10-11)The present study examined developmental changes in the prevalence, stability, and developmental pathways associated with Bully/Victim status in order to increase our understanding of this high-risk group. In addition, ... -
Demand-Withdraw in the Marital Context of Depression
(2007-10-12)Consistently researchers have demonstrated that marital interactions of couples with and without a depressed partner differ. Given the high comorbidity of depression and marital distress, it is unclear whether observed ... -
Spatio-Temporal Interactions in Immediate Serial Recall
(2007-10-16)In an immediate serial recall task, participants are asked to recall lists of items in order. In the Hebb repeating-list variant of the task, subjects are read a series of lists, and every third list is repeated. Performance ... -
Dimensions of perfectionism and life stress: predicting symptoms of psychopathology
(2007-10-25)Research has consistently shown an association between the personality trait of perfectionism and a variety of emotional, psychological, and interpersonal difficulties. Using a longitudinal design, the present investigation ... -
Ultra-Low Dose Antagonist Effects on Cannabinoids and Opioids in Models of Pain: Is Less More?
(2007-11-08)An ultra-low dose of a drug is approximately 1000-fold lower than the dose range traditionally used to induce a therapeutic effect. The purpose of the present thesis was to broaden the knowledge of the ultra-low dose effect, ... -
Understanding the Relationship between Depression, Hopelessness, Psychache and Suicide Risk
(2007-12-18)Two studies were undertaken to examine the relationship between suicidality and three key psychological predictors of suicide risk, namely, depression, hopelessness, and psychache. Study 1 determined the degree to which ... -
Do High Standards, Sensitivity to Failure, and Lack of Perseverance Interact to Predict All-or-Nothing Behaviour?
(2008-01-17)Why do some people tend to begin new goals or activities with a high level of commitment and determination, only to drop substantially in their involvement within a short time? The purpose of the present research was to ... -
Time and time again: cultural differences in construal levels
(2008-03-03)People mentally represent information, objects, and events in a variety of ways. The purpose of the present program of research was to investigate how culture affects the way people represent temporal information. I ... -
Affective processing in acute alcohol intoxication
(2008-03-20)Maladaptive decision-making that typifies drug addiction could reflect alterations in cognitive and emotional processing when these individuals are faced with choices. Even if this is true, it is not clear whether these ...