Introduction to Stress and Coping

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Unformatted text preview: or the stressors -Breaking things down into categories or severity depending on how long it lasts -Heart rate or pulse are indicators of stress -suggests that when faced with a stressor an organism engages in the fight or flight response -involves the sympathetic nervous system which arouses the body -it is an adaptive response since it allows for a quick response to a threat -animals didn't have much time to think about things so these kind of responses are important for survival -Some species will freeze and engage in different techniques -not always an immediate response; there is time for any organism to stop and assess a situation before it acts. -fighting is not necessarily a physically fight, it might be engaging in an argument -flight is not just feeling it could also be withdrawing from the conversation -visual cortex recognizes the stimulus in the environment and it is then sent to the amygdala -Hypothalamus then releases the stress via the adrenal and pituitary gland - to give your body energy, glucose rises -pupils dialate in order to see more clearly and take in the info that is necessary for survival -goal is to prepare your body for mobilization -Blood is rerouted to muscles, brain, heart to be there more clearly -speed of blood clotting also increases (could heal faster) -both epinephrine and norepinephrine are important in the fight or flight response -involved in increasing the several responses (don't need to remember full word, just HPA) -main hormone that is released, (cortisol) the stress hormone -to reroute resources into more central systems, it reduces nonessential systems -incresaes blood glucose in order to give your body more energy -once cortisol builds up in high levels, it sends messages to your hypothalamus in order to reduce the cortisol being released ways to measure: -putting cotton sobs called salivette that are chewed few times a day to measure the cortisol levels -urine samples -blood -hair samples and looking at general patterns throughout the last month -Normal cortisol levels for everyone look differently throughout the day (spikes in the morning usually) -there are many different confounding variables when studying stress which makes it difficult -Only one consistent predictor of cortisol is present on all studies (social evaluation) -On chronic stress we see high levels of cortisol output. -On PTSD, people have blunted cortisol levels - -There is a worry if the stress does not go away (chornic stress)...
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This note was uploaded on 01/15/2014 for the course PSYCH 314 taught by Professor Davidking during the Winter '13 term at University of British Columbia.

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