Psychology 3140F/G Study Guide - Spring 2018 Midterm Notes - Agoraphobia, Anhedonia, Sleep deprivation
20 Sep 2018
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Anxiety: negative mood state characterized by bodily symptoms of physical tension, and apprehension about the future. Fear: immediate alarm reaction to danger: activates a massive response from the autonomic nervous system (increased heart rate and blood pressure, terror motivates us to escape or attack (fight-or-flight response) Panic attack: abrupt experience of intense fear or acute discomfort, accompanied by physical symptoms that usually include heart palpitations, chest pains, shortness of breath and possibly dizziness: expected and unexpected, genetic component. Fight/ flight system (ffs: circuit originates in brain stem and travels through several midbrain structures, including amygdala, the ventromedial nucleus of hypothalamus and the central gray matter, authors thing the ffs is activated partly by deficiencies in serotonin. Internal cues are increases in heart rate or respiration that were associated within the initial panic attack, even if they are now the result of normal circumstances, such as exercise. Comorbidity: co-occurrence of two or more disorders in a single individual.
