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Full-Text Articles in Biological Psychology

Developmental Influences On The Initial Subjective Rewarding Effects Of Etoh, Madison Waldron Jan 2021

Developmental Influences On The Initial Subjective Rewarding Effects Of Etoh, Madison Waldron

Master’s Theses

The present studies were aimed to better understand developmental contributions to the risk for disordered drinking, and facilitate the long-term goal of developing effective interventions for individuals at high risk for alcohol use disorders. Experiment 1 assessed the effect of adolescent pre-exposure to ethanol on adult place preference, as well as, sex- and beta-endorphin(bE)-related contributions. Adolescent C57BL/6J and bE deficient mice were injected with 1.5g/kg of ethanol or saline and put back into their home cages. At the time of adulthood, we employed a single-exposure conditioned place preference paradigm (SE-CPP) to investigate the impact of preexposure on the initial subjective …


Methamphetamine-Induced Modulation Of Anxiety/Depressive-Like Behaviors And Hpa Axis Output : Contributing Factors Within Stress Associated Brain Regions, Jason Jacobskind Jan 2021

Methamphetamine-Induced Modulation Of Anxiety/Depressive-Like Behaviors And Hpa Axis Output : Contributing Factors Within Stress Associated Brain Regions, Jason Jacobskind

Legacy Theses & Dissertations (2009 - 2024)

Methamphetamine (MA) is a psychostimulant drug of addiction that induces a wide range ofeffects. Among its many side effects is the potentiation of cellular, physiological, and behavioral changes in the stress response system. Upon exposure, the hypothalamic-pituitary-adrenal (HPA) axis is initiated. This process entails many factors. Receiving input from other brain regions, the paraventricular nucleus (PVN) of the hypothalamus secretes corticotropin-releasing factor (CRF) and arginine vasopressin into the anterior pituitary gland. These together stimulate the synthesis and release of adrenocorticotropic hormone, which circulates via the blood stream to cause the release of glucocortoicoids, the stress hormone (CORT). Binding of glucocorticoids …