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Anxiety is an emotion characterised by an unpleasant state of inner turmoil and includes feelings of dread over anticipated events. [1] [2] [3] Anxiety is different from fear in that fear is defined as the emotional response to a present threat, whereas anxiety is the anticipation of a future one. [4]
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 ...
Stress (biology), an organism's response to a stressor such as an environmental condition; Stress (mechanics), the internal forces that neighboring particles of a continuous material exert on each other; Oxidative stress, an imbalance of free radicals; Psychological stress, a feeling of strain and pressure Occupational stress, stress related to ...
A young girl looking worried. Worry is a category of perseverative cognition, i.e. a continuous thinking about negative events in the past or in the future. [3] As an emotion "worry" is experienced from anxiety or concern about a real or imagined issue, often personal issues such as health or finances, or external broader issues such as environmental pollution, social structure or ...
Nervous laughter is a physical reaction to stress, tension, confusion, or anxiety. Neuroscientist Vilayanur S. Ramachandran states "We have nervous laughter because we want to make ourselves think what horrible thing we encountered isn't really as horrible as it appears, something we want to believe." Psychologist and neuroscientist Robert ...
The definition and classification of mental disorders are key issues for researchers as well as service providers and those who may be diagnosed. For a mental state to be classified as a disorder, it generally needs to cause dysfunction. [15] Most international clinical documents use the term mental "disorder", while "illness" is also common.
Woman portraying the emotion of stress. Mental distress or psychological distress encompasses the symptoms and experiences of a person's internal life that are commonly held to be troubling, confusing or out of the ordinary. Mental distress can potentially lead to a change of behavior, affect a person's emotions in a negative way, and affect ...
Going through an existential crisis is associated with a variety of consequences, both for the affected individual and their social environment. On the personal level, the immediate effects are usually negative since experiencing an existential crisis is connected to stress, anxiety, and the formation of bad relationships.