Class 2 - Biology and Stress - You’ve just walked into...

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You’ve just walked into your second class of the semester and the instructor announces “pop quiz” How do you feel emotionally? how do you feel physically? What thoughts are going through your head? You come home to find your room a mess and a number of valuables that you own stolen How do you feel emotionally? how do you feel physically? What thoughts are going through your head?
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Stress – the constellation of cognitive, emotional, physiological, and behavioral reactions the organism experiences as it transacts with perceived threats and challenge Stressors – factors that cause stress Hassles – life events that are irritants or pressures Uplifts – life events that are positive and counterbalance hassles Fight-or-flight reactions – bodily reactions related to stressors that we encounter
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Now that we’ve defined the concept of stress, we’re going to look at how stressors and stress impact our physiology We’ll do this by: Examining the structures of the body linked to stress Looking at how these systems react to the stress encountered
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Brain Controls, processes, and instructs other parts of the nervous system… we’ll discuss this later Broken into 3 parts Neocortex (Cerebral Cortex) Diencephalon (Inner Brain) (part of the brainstem) Mesencephalon (Midbrain) (also a part of the brainstem) Spinal cord Channels information from our brain to our PNS, and from our PNS to our brain Protected by surrounding vertebrae
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The prefrontal cortex
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Last area of the brain to form Teenagers and planning/consequences issues Involved in decision making and planning Research has shown that it interacts a lot with areas of the brain associated with memory and emotion
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The thalamus – the gateway for sensory organs (minus our smell) to communicate with
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  • Summer '15
  • ChristopherGade

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