Psychology, Department of
The Department of Psychology is comprised of programs that are designed to emphasize research skills and scholarship, preparing students for either academic positions or for research posts in government, industry, and the like.
This community includes research outputs produced by faculty and students. Submitting works to QSpace may enable compliance with the Tri-Agency Open Access Policy on Publications.
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Recent Submissions
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Exploring the Role of Oxytocin in Rodent Defensive Behaviours
Although evidence implicates oxytocin (OT) in anxiety regulation, little is known about where this occurs in the brain or if this system is altered by social affiliation. I hypothesized that infusions of OT into the lateral ... -
Investigating the Role of Dopamine in Opioid Reward in Chronic Neuropathic Pain
Background: Neuropathic (NP) pain is commonly treated with opioids, such as morphine, despite acknowledgement that these drugs produce long-term complications including tolerance and addiction. Opioids have two effects on ... -
Cognitive Performance in Geriatric Depression: Examining the Sensitivity of Clinical Neuropsychological and Experimental Working Memory Tasks
Background: Traditional neuropsychological measurement tools have identified a proportion of individuals with late life Major Depressive Disorder (MDD) who experience modest to moderate cognitive impairments. These cognitive ... -
A Subjective Measure of Attitude Extremity: Validation and Extension
Attitudes are individuals’ enduring global evaluations of objects, concepts, or ideas, which may vary in both valence and extremity. There are many important determinants of attitudes and attitude strength, with research ... -
Cognitive Training in Major Depressive Disorder: Perceptions of Cognitive Malleability, Importance of Autonomy, and Efficacy of a Brief Psychoeducational Intervention
Cognitive difficulties constitute a diagnostic criterion of major depressive disorder (MDD) and are associated with functional impairments and barriers to recovery in this condition. Cognitive Remediation (CR) is a ... -
Dysphoria as a Moderator of Online Self-Presentation Via Image Selection
The current research consists of two studies to examine the relationship between dysphoria (i.e., subclinical depression or chronic negative mood) and visual self-presentation online. In Study 1, I compared dysphoric and ... -
Investigating the Role of LPS-Induced Neuroinflammation as a Potential Mechanism of Anhedonia
Anhedonia, a deficit in reward processing, is a characteristic of many neuropsychiatric conditions including eating disorders, schizophrenia, substance use disorder and major depressive disorder (MDD) (American Psychiatric ... -
Possible Mechanisms of Order Matching Effects in Attitude Persuasion
The order persuasion matching effect occurs when the sequencing of information within a persuasive message matches that of the information used to generate said attitude. This matching effect generates stronger attitude ... -
Neural Transition Metric in fMRI: Categorization and Application
Recent advances in technology allow us to examine brain network dynamics in fMRI on a large-scale. Our lab has recently developed a data-driven method, the neural transition metric (Tseng & Poppenk, 2020), which allows us ... -
Hippocampal Contributions to Gist and Detail Constructs of Episodic Memory
Cognitive theories like Fuzzy Trace Theory or Multiple Memory Trace Theory have implied a distinction between coarse- and fine-grained processing of details for constructs of episodic memory. These distinctions in memory ... -
Temporal Stability of Cortisol Reactivity to Stress and Reward Responsivity in the Context of Depression and Anhedonia
Theoretical and empirical work suggest that reactivity to stress and responsivity to reward are correlated domains of functioning, and that dysfunction in the stress and reward systems may underlie Major Depressive Disorder ... -
Ability to Extract Extrafoveal Information Modulates Object Processing in Naturalistic Scenes
In naturalistic scene processing, individuals adopt multiple resources to facilitate their object identification processes. For instance, scene context information contains many cues to facilitate recognition of an object, ... -
Online Self-Management Treatment Program for Women Diagnosed with Interstitial Cystitis/Bladder Pain Syndrome
Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS) is a chronic pelvic pain condition. An agreed-upon etiology for IC/BPS remains unspecified and medical treatment is often inadequate. Research has demonstrated the ... -
HPA Axis Reactivity in Depression: Relation of Childhood Maltreatment, Affect Lability, & Testosterone
Stress is one of the most important etiological factors implicated in depression. A principle physiological stress response system is the hypothalamic-pituitary-adrenal (HPA) axis. Dysregulation of the HPA axis is proposed ... -
Patient Narratives and Medical Decision Making: The Role of Transportation in Treatment Selection Bias
Patient decision aids (PDAs) are tools that help patients select a treatment option for a medical condition. PDAs often include narratives about other patients’ experiences, but this inclusion may lead to biased decisions ... -
The Peer Context of Sexual Harassment in Early Adolescence
This dissertation is composed of three studies that examined the relationship between early adolescents’ sexual harassment experiences (as targets, witnesses, and perpetrators) and the peer environments in which they are ... -
The Effects of Self-Guided Meditation and Napping on Memory Consolidation in Humans
Numerous studies have reported that, compared to an equivalent period of wakefulness, post-training sleep (overnight or daytime naps) benefits memory consolidation (Diekelmann & Born, 2010; Mednick, Nakayama, & Stickgold, ... -
Examination of Psychological Factors in Chronic Pelvic Pain
Many forms of chronic pelvic pain have no specific etiology or curative treatment. Catastrophizing, behavioural coping strategies, and depressive symptoms have all been noted in the chronic pain literature for their negative ... -
Emotion regulation success and strategy choice during adolescence
Emotion regulation (ER) involves the ways individuals influence which emotions they have, when these emotions occur, and how they are experienced and expressed. During adolescence, youth transition from a child-like form ... -
Picking up good vibrations: Discrepant vibrator use, sexual functioning, and sexual well-being in women with male partners
(Taylor & Francis, 2019)Vibrator use is thought to be associated with positive sexual functioning for women with female or male partners. Vibrator use that is discrepant across contexts (i.e. the individual uses a vibrator in solitary but not ...
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