San Diego State University

This document contains in-depth, well-organized lecture notes for PSY 353, focusing on the profound impact of stress on the digestive system. The notes thoroughly explain the Gut-Brain Axis and the mechanisms by which stress hormones interfere with processes like peristalsis and nutrient absorption. Key topics include how chronic stress contributes to common disorders like Irritable Bowel Syndrome (IBS) and peptic ulcers, and the role of the vagus nerve and gut microbiome in the stress response....

This document contains detailed and high-quality lecture notes for PSY 353, specifically analyzing the complex interaction between stress and the reproductive system. The notes thoroughly explain how the HPA axis and stress hormones interfere with the Hypothalamic-Pituitary-Gonadal (HPG) axis, which controls fertility and reproduction. Key topics covered include the mechanisms by which chronic stress can impact spermatogenesis and the menstrual cycle, as well as the effects on sexual behavior an...

This document contains comprehensive lecture notes for PSY 353, focusing on the critical interaction between stress and the immune system. These notes introduce and explain the field of Psychoneuroimmunology (PNI). Key topics include the various ways stress impacts immune function (e.g., suppression, inflammation), the mechanisms by which stress hormones (like cortisol and catecholamines) modulate T-cells and B-cells, and the resulting implications for illness and disease susceptibility. This is...

This document provides in-depth lecture notes for PSY 353 covering the physiological stress response as mediated by the Nervous System. It includes a clear, step-by-step breakdown of the activation of the Sympathetic Nervous System (SNS), the role of the Adrenal Medulla, and the resulting bodily changes (fight-or-flight response). This summary is essential for understanding the biological underpinnings of stress and is a perfect study guide for exams and assignments.

This document provides comprehensive, easy-to-read study notes for PSY 353 (Psychology of Stress, Trauma and Combat), focusing entirely on the fundamental question: "What is Stress?" The notes clearly define stress (as stimulus, response, and transaction) and thoroughly explain major theoretical models, including Selye's General Adaptation Syndrome (GAS) and the Transactional Model by Lazarus and Folkman. It includes a foundational breakdown of key physiological components like the HPA ...

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