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Ch3b - PSYC2313:001: StressanditsEffects 1...

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9/15/2011 1 PSYC 2313:001: Psychology and Human Problems Stress and its Effects
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9/15/2011 2 Stress responses occur at three levels: Emotional responses Physiological responses B h i l Behavioral responses Emotional responses are usually negative and fall into three categories: 1.Annoyance, anger, and rage 2.Apprehension, anxiety, and fear 3. Dejection, sadness, and grief However, stress can prompt positive emotional responses, which in turn Increase creativity, flexibility in problem solving Enhance immune system functioning, increase valuable social support, and promote proactive coping. Strong emotions may hamper or enhance our ability to cope with stress, depending on our level of arousal and the task complexity The “inverted U hypothesis” predicts that The inverted U hypothesis predicts that For low complexity tasks, a high level of arousal is best; For medium complexity tasks, a medium level of arousal is best; and For high complexity tasks, a low level of arousal is best.
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9/15/2011 3 Physiological responses. The fight or flight response “a physiological reaction to threat that mobilizes an organism for tt ki (fi ht) fl i (fli ht) attacking (fight) or fleeing (flight) an enemy”. It occurs in the autonomic nervous system (ANS), which “is made up of the nerves that connect to the heart, blood vessels, smooth muscles, and glands”.
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