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Set point theory can be construed as implying weight regulation in a wide or tight range around the set point, in a symmetric or in an asymmetric manner (i.e. treating weight gain and loss either the same or differently), and may apply to regulation of body fat levels specifically (in a multi-compartment model) or to overall body weight.
Once the person's energy levels fall below a certain threshold, the sensation of hunger is experienced, which is the body's way of motivating the person to eat again. The set point assumption is a negative feedback mechanism. [23] Two popular set point theories include the glucostatic set point theory and the lipostatic set point theory.
Set point (endocrinology), a term encompassing a number of quantities (e.g. body weight, body temperature) where the endocrine system contributes to regulation and homeostasis. Setpoint (control system), the target value that an automatic control system, for example PID controller, will aim to reach; Set point theory, a theory describing how ...
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The brain is able to overcome negative feedback in these localized systems and continuously evaluate the body's internal set-points. By doing so, the body can regulate its resources and energy storage efficiently. Another key component of allostasis is the brain's perception and subsequent adaptation to chronic stress.
Two distinct but related processes are considered to be involved in the development of obesity: sustained positive energy balance (energy intake exceeding energy expenditure) and the resetting of the body weight "set point" at an increased value. [106] The second process explains why finding effective obesity treatments has been difficult.
In cybernetics and control theory, a setpoint (SP; [1] also set point) is the desired or target value for an essential variable, or process value (PV) of a control system, [2] which may differ from the actual measured value of the variable.
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