In this video I discuss how we define stress. I begin with Walter Cannon’s “fight or flight” response and the activation of the sympathetic nervous system. Next I discuss the distinction between stressors and the stress response. I consider Holmes … Read More
Introduction to Health Psychology
In this video I introduce the unit on health psychology by defining several key terms and discussing the challenges of understanding the causes of illness. I describe etiology (or aetiology), epidemiology, the use of retrospective & prospective studies, and the … Read More
What is Stress?
You’re undoubtedly familiar with the concept of stress, but like many psychological variables we’ve seen, you may find it difficult to come up with a precise definition. What exactly is stress and how can we go about measuring it Walter … Read More