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chapter2 - Chapter 2 Physiology of Stress Once the brain...

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Unformatted text preview: Chapter 2 Physiology of Stress Once the brain has interpreted some sensory information as a serious threat, the body goes into action for the purposes of survival. Through a chain-command of neural and hormonal events, the body prepares to fight or flee... beginning with the central nervous system. The term psychophysiology refers to this mind-body connection. The Central Nervous System The Central Nervous System (CNS) consists of the brain and spinal column while the peripheral nervous system (PNS) comprises all neural pathways to the extremities. The Central Nervous System The Neocortical Level ( The conscious power to override the stress response is here.) The Limbic System (Emotional control center where Fight- or-flight is activated.) The Vegetative Level (Automatic pilot which is responsible for heart rate and ventilation.) Figure 2.1. The three levels of the human brain include: the vegetative level, the limbic system, and the neocortical level. The Autonomic Nervous System...
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This note was uploaded on 06/08/2011 for the course HSC 4104 taught by Professor Kellyrhoads during the Summer '11 term at FAU.

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chapter2 - Chapter 2 Physiology of Stress Once the brain...

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