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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 ...
Schematic overview of the classes of stresses in plants Neurohormonal response to stress. Stress, whether physiological, biological or psychological, is an organism's response to a stressor such as an environmental condition. [1] When stressed by stimuli that alter an organism's environment, multiple systems respond across the body. [2]
Stress affects many memory functions and cognitive functioning of the brain. [10] There are different levels of stress and the high levels can be intrinsic or extrinsic. Intrinsic stress level is triggered by a cognitive challenge whereas extrinsic can be triggered by a condition not related to a cognitive task. [8]
Transgenerational stress in humans, as in animal models, induces effects influencing social behavior, reproductive success, cognitive ability, and stress response. [3] Similar to animal models, human studies have investigated the role of epigenetics and transgenerational inheritance molecularly as it relates to the HPA system.
A stressor is a chemical or biological agent, environmental condition, external stimulus or an event seen as causing stress to an organism. [1] Psychologically speaking, a stressor can be events or environments that individuals might consider demanding, challenging, and/or threatening individual safety.
The definition of perseverative cognition is: "the repeated or chronic activation of the cognitive representation of one or more psychological stressors". [ 2 ] [ 8 ] Worry , rumination and all other forms of thoughts ( cognition ), about stressful events that have happened or might happen, fall under the definition of perseverative cognition.
A typical allostatic response has been initiated by a stressor and then continues for the duration of the stressor, in which it shuts off as the stressor has ended. Allostatic load is the accumulation of stressors and maladaptive responses that may result in an extreme state, where the stress response does not terminate. [26]
Psychological hardiness, alternatively referred to as personality hardiness or cognitive hardiness in the literature, is a personality style first introduced by Suzanne C. Kobasa in 1979. [1] Kobasa described a pattern of personality characteristics that distinguished managers and executives who remained healthy under life stress, as compared ...