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In this video I describe the stress response in more detail, including possible gender differences in reaction to threats. Shelley Taylor proposed the tend-and-befriend response to refer to a female tendency to focus on relationships, empathy, and group cohesion in response to threats. Next I describe how the stress response travels through the body, which occurs along the HPA axis (Hypothalamus, Pituitary, Adrenal glands) and includes release of corticotropin releasing hormone (CRH), adrenocorticotropic hormone (ACTH), the catecholamines epinephrine & norepinephrine (adrenaline & noradrenaline), and glucocorticoids including cortisol. The stress response mobilizes energy to prepare for a threat, but in doing so it reduces activities related to long-term projects like digestion, reproduction, and immune function.

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