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Full-Text Articles in Psychology

Assessing A Cognitive Model Of Trauma-Related Sleep Disturbance, Rebecca Chesher Sep 2020

Assessing A Cognitive Model Of Trauma-Related Sleep Disturbance, Rebecca Chesher

Dissertations

Sleep disturbance is a symptom of many mental health disorders that may negatively affect cognition and mood. Trauma-related sleep disturbance is a core reaction of traumatic stress and PTSD, similar to symptoms experienced by individuals with insomnia or other sleep-wake disorders. Although the cause and symptom progression of trauma-related sleep disturbance may be very different, research and clinical practice assess and treat it with measures and interventions designed for general insomnia. Using a cognitive model of insomnia modified for trauma-related sleep disturbance, the current study assessed the relations between select trauma and sleep variables within the proposed constructs of: 1) …


Influences Of Salvinorin A And Sex Differences On Depressive- And Anxiety-Like Behaviors In A Chronic Mild Stress Paradigm, Sarah Mitchell Apr 2020

Influences Of Salvinorin A And Sex Differences On Depressive- And Anxiety-Like Behaviors In A Chronic Mild Stress Paradigm, Sarah Mitchell

Theses

Kappa opioid receptors are colocalized with dopamine receptors and are frequently associated with depression, anxiety, stress, and drug use and abuse. KOR antagonism has widely been considered anti-depressive and anxiolytic in animal models while agonism is pro-depressive and anxiogenic. However, recent findings suggest that SalvA, a natural kappa agonist derived from a plant in the mint family, can reduce depressive- and anxiety-like behavior in rats. The current study investigated the effects of chronic mild stress on behavior, attenuation by SalvA, and sex differences. 52 Long-Evans rats, 26 males and 26 females, were exposed to six weeks of CMS. Animals received …