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Eustress is not defined by the stress or type, but rather how one perceives that stressor (e.g., a negative threat versus a positive challenge). Eustress refers to a positive response one has to a stressor, which can depend on one's current feelings of control, desirability, location, and timing of the stressor.
Lenard effect (physics) Lense–Thirring effect (effects of gravitation) (tests of general relativity) Leveling effect (chemistry) Levels-of-processing effect (educational psychology) (psychology) (psychological theories) Liquid Sky (effect) (lasers) (stage lighting) Little–Parks effect (condensed matter physics) Lockin effect (physics)
Hans Selye defined stress as “the nonspecific (that is, common) result of any demand upon the body, be the effect mental or somatic.” [5] This includes the medical definition of stress as a physical demand and the colloquial definition of stress as a psychological demand. A stressor is inherently neutral meaning that the same stressor can ...
Selye argued that stress differs from other physical responses in that it is identical whether the provoking impulse is positive or negative. He called negative stress "distress" and positive stress "eustress". The system whereby the body copes with stress, the hypothalamic-pituitary-adrenal axis (HPA axis) system, was also first described by ...
In the butterfly effect, one small change can trigger a chain of events that can cause a larger change at a later time. On TikTok, people are using the butterfly effect theory to connect world ...
The graph represents the effect of increased stress on the performance of the body. The lower the stress levels are in the body, the less likely the allostatic load model will have a significant effect on the brain and health.
A plot of Lorenz' strange attractor for values ρ=28, σ = 10, β = 8/3. The butterfly effect or sensitive dependence on initial conditions is the property of a dynamical system that, starting from any of various arbitrarily close alternative initial conditions on the attractor, the iterated points will become arbitrarily spread out from each other.
An example is the breathing of oxygen, which is required in low amounts (in air) via respiration in living animals, but can be toxic in high amounts, even in a managed clinical setting. [ 5 ] In toxicology , hormesis is a dose-response phenomenon to xenobiotics or other stressors.