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27 de oct. de 2017 · Fear reaction starts in the brain and spreads through the body to make adjustments for the best defense, or flight reaction. The fear response starts in a region of the brain called the...
16 de feb. de 2023 · Fear is an adaptive emotion that mobilizes defensive resources upon confrontation with danger. However, fear becomes maladaptive and can give rise to the development of clinical anxiety when it exceeds the degree of threat, generalizes broadly across stimuli and contexts, persists after the danger is gone or promotes excessive ...
1 de ago. de 2023 · Here we provide a roundtable discussion on the nature and biological bases of fear- and anxiety-related states, traits, and disorders. The discussants include scientists familiar with a wide variety of populations and a broad spectrum of techniques.
The main function of fear and anxiety is to act as a signal of danger, threat, or motivational conflict, and to trigger appropriate adaptive responses. For some authors, fear and anxiety are undistinguishable, whereas others believe that they are distinct phenomena.
16 de feb. de 2023 · Fear is an adaptive emotion that mobilizes defensive resources upon confrontation with danger. However, fear becomes maladaptive and can give rise to the development of clinical anxiety when it...
20 de mar. de 2017 · This review focuses mainly on the involvement of the amygdala in normal innate fear and dysfunction of innate fear in nonexperiential phobia and amygdala mechanisms of classical fear conditioning and their potential involvement in experiential phobia.
1 de ene. de 2000 · The FEAR system of the brain has some intrinsic sensitivities (e.g., responding unconditionally to painful stimuli and the presence of potential predators), but it also has the ability to establish new input components to inform the organism about various specific threats that require learning.
