Lecture 15 (November 1st, 2012)

Psychological principles to the understanding

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Unformatted text preview: were no differences between those who got a knee surgery and those who got the sham surgery, because the fact that you think you’re getting the surgery, a lot of that healing, may be the placebo effect, that after the surgery, my pain’s going to get better. Stress and Coping: Stress: A pattern of behavioral, psychological, and physiological responses to events that match or exceed an organism’s abilities to respond. • • Eustress: modern stress that may even be beneficial for the experiencer. Distress is a response to the negative things that goes on in our lives. Stressor: An environmental event or stimulus that threatens an organism. • Major life stressors vs. daily hassles Physiology of Stress: • The hypothalamic- pituitary- adrenal (HPA) axis. o Your hypothalamus sends a message to your pituitary gland which then sends a signal down to your adrenal glands and they release cortisol which is the key hormone that is released during a stressful situation, so our autonomic responses are all driven by cortisol being released into our bodies, and hormones and the effects of hormones can be really long- lasting, so the effects of this cortisol can continue to impact your body and organs long after this stretcher has disappeared. There's also the general adaptation syndrome. • We have a threatening stimulus in our environment and we’re trying to deal with it. We have time and our stress resistance (Which is how we stress with the situation). So our timeline is divided into the alarm stage (emergency, flight or flight, immediate response – what our body tries to do by allocating its resources) then we move on to the resistance stage (our body tries to fight, whether it’s a sort of disease, our body is doing whatever it can to deal with whatever the stressor is – our stress resistance get really high here), but if the cortisol is still pumping in our brains, we reach the exhaustion stage (Where the system begins to fail). The hallmarks of a non- specific stress response: • • • Bloated adrenal glands, Damaged lymphatic structures, Stomach ulcers. Sex Differences: • • Fight- or- flight response Tend- and- befriend response. o Females’ tendency to respond to stress by protecting and caring for their offspring, a...
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