Psychology 2036A/B Lecture Notes - Lecture 2: Hans Selye, Adrenal Medulla, Adrenal Cortex

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Stress literacy: the degree to which an individual (or community understands the effects of stress: homeostasis: the dynamic physiological response to maintain a stable internal state in spite of the demands of the environment. Fight or flight: autonomic reaction when faced with a perceived threat. The physiology of stress: the physical response to stress, highly complex, begins when an individual perceives a real or actual threat. Involves 2 major components: nervous system, endocrine system, real or perceived threat . Sympathetic adrenomedullary system (sam: hypothalamus, sympathetic ns, adrenal medulla, catecholamines: adrenaline, noradrenaline (6, hpa: hypothalamic pituitary adrenal axis, hypothalamus, pituitary gland, adrenal cortex, glucocorticoids (ex. In order to do so, is very sophisticated: reticular formation: communication network, filters input from the sensory systems. Supports variety of functions: emotion, behaviour, motivation, long term memory, and olfaction: emotional life is largely housed in the limbic system, and it critically aids the formation of memories.

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