PSYCH 1100 Lecture Notes - Lecture 15: Psychoneuroimmunology, Cytotoxic T Cell, Endorphins
2 Sep 2016
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Document Summary
The events of our lives flow through a psychological filter. How we appraise an event influences how much stress we experience and how effectively we respond. Mental and physical response of our bodies to life"s challenges. Stress- the tension, discomfort, or physical symptoms that arise when a situation or stimulus in the environment strains our ability to cope effectively. A stressor causes the body to adjust/cope: stress can be positive positive (eustress) or negative (distress), real or imagine events. Hypothalamus signals adrenal glands to epinephrine release. Epinephrine causes: oxygen intake, release of glucose by liver. Hypothalamus signals pituitary gland to adrenocorticotropic hormone release (acth). Atch signals adrenal glands to release cortisol to make nutrients available for energy. If persistent, the stress my eventually deplete your body"s reserves during stage 3 : exhaustion- all of the stores of deep energy are depleted; vulnerable to illness or in extreme cases, collapse and death.
