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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 ] In humans and most mammals, the autonomic nervous system and hypothalamic-pituitary-adrenal ...
Mar 31, 2022 · Introduction: The Science of Stress. The term stress was widely popularized in its biological connotation in 1936 by Hans Selye, who defined it as “the non-specific response of the body to any demand for change” [1]. Stress was originally understood to be a collection of peripheral symptoms that accompany a variety of chronic illnesses ...
Sep 22, 2018 · The term “stress” is used to describe important phenomena at multiple levels of biological organization, but finding a general and rigorous definition of the concept has proven challenging. Current models in the behavioral literature emphasize the cognitive aspects of stress, which is said to occur when threats to the organism are perceived ...
- Marco Del Giudice, C Loren Buck, Lauren E Chaby, Brenna M Gormally, Conor C Taff, Christopher J Thaw...
- 2018
fight-or-flight response. set of physiological reactions (increases in blood pressure, heart rate, respiration rate, and sweat) that occur when an individual encounters a perceived threat; these reactions are produced by activation of the sympathetic nervous system and the endocrine system. general adaptation syndrome.
Apr 26, 2021 · FIGURE 1: The evolution of the framework of the stress system. (A) The basic framework of the stress system. (B) The developing framework of the stress system. (C) The mature framework of the stress system. According to this framework, we may easily differentiate each element of the stress system.
- Siyu Lu, Fang Wei, Guolin Li
- 10.15698/cst2021.06.250
- 2021
- Cell Stress. 2021 Jun; 5(6): 76-85.
Researchers have had a difficult time agreeing on an acceptable definition of stress. Some have conceptualized stress as a demanding or threatening event or situation (e.g., a high-stress job, overcrowding, and long commutes to work), however, for the purpose of this course, we will describe stress as a response to environmental conditions.
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Dec 1, 2018 · The term "stress" is used to describe important phenomena at multiple levels of biological organization, but finding a general and rigorous definition of the concept has proven challenging. Current models in the behavioral literature emphasize the cognitive aspects of stress, which is said to occur when threats to the organism are perceived as uncontrollable and/or unpredictable.
