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emotional affect: e.g., anger, fear. [4] Some homeostatic feelings motivate specific behavior aimed at maintaining the body in its ideal state. For example, hunger motivates eating, fatigue motivates resting and hyperthermia motivates stepping into the shade. [5] [6] [7] Sheep respond to hunger, fatigue and hyperthermia by grazing and resting ...
Central nervous system fatigue, or central fatigue, is a form of fatigue that is associated with changes in the synaptic concentration of neurotransmitters within the central nervous system (CNS; including the brain and spinal cord) which affects exercise performance and muscle function and cannot be explained by peripheral factors that affect muscle function.
Fatigue in a medical context is used to cover experiences of low energy that are not caused by normal life. [2] [3]A 2021 review proposed a definition for fatigue as a starting point for discussion: "A multi-dimensional phenomenon in which the biophysiological, cognitive, motivational and emotional state of the body is affected resulting in significant impairment of the individual's ability to ...
Homeostasis is the regulation of physiological processes, whereby systems in the body respond to the state of the body and to the external environment. [18] The relationship between allostasis and allostatic load is the concept of anticipation. Anticipation can drive the output of mediators. Examples of mediators include hormones and cortisol.
Of course, if you're feeling sick, it’s a good idea to test yourself so you can know the full picture of what you’re dealing with, ... Fatigue. Muscle or body aches. Headache.
Environmental factors, internal or external stimuli, continually disrupt homeostasis; an organism's present condition is a state of constant flux moving about a homeostatic point that is that organism's optimal condition for living. [27] Factors causing an organism's condition to diverge too far from homeostasis can be experienced as stress.
An actuary may refer to risk homeostasis, where (for example) people who have anti-lock brakes have no better safety record than those without anti-lock brakes, because the former unconsciously compensate for the safer vehicle via less-safe driving habits. Previous to the innovation of anti-lock brakes, certain maneuvers involved minor skids ...
These include, among many others, the chronic fatigue syndrome, in which affected individuals experience evident fatigue at rest, and the role of psychological and motivational factors, centrally (brain) acting pharmaceutical agents, hypnosis, shouting or sudden unexpected gunshots, or other forms of distraction including music or premeditated ...