PSYA02H3 Chapter Notes - Chapter 11: Ventromedial Nucleus Of The Hypothalamus, Allostasis, Cholecystokinin
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PSYA02H3 Full Course Notes
Verified Note
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Document Summary
Motivation: concerns the physiological and psychological processes underlying the initiation of behaviours that direct organisms toward specific goals. Includes thoughts, feelings, sensations, and bodily processes that lead to goal-directed behaviour. Drive: a biological trigger that tells us we may be deprived of something and causes us to seek out what is needed, such as food or water. Motivation is essential to an individual"s survival because it contributes to: Homeostasis: the body"s physiological processes that allow it to maintain consistent internal states in response to the outer environment. Allostasis: motivation is not only influences by current needs, but also by the anticipation of future needs. The hypothalamus detects changes in the level of: Glucose: a sugar that serves as a primary energy source for the brain and the rest of the body. ~glucostats can detect glucose levels in the fluid outside of the cell.
