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  2. Microexpression - Wikipedia

    en.wikipedia.org/wiki/Microexpression

    It is the innate result of a voluntary and an involuntary emotional response occurring simultaneously and conflicting with one another, and occurs when the amygdala responds appropriately to the stimuli that the individual experiences and the individual wishes to conceal this specific emotion. This results in the individual very briefly ...

  3. Epigenetics of anxiety and stress–related disorders - Wikipedia

    en.wikipedia.org/wiki/Epigenetics_of_anxiety_and...

    Just as parental stress can alter epigenetics of offspring, parental exposure to positive environmental factors cause epigenetic modifications as well. For example, male mice that participated in voluntary physical exercise resulted in offspring that had reduced fear memory and anxiety-like behavior in response to stress. This behavioral change ...

  4. Emotion - Wikipedia

    en.wikipedia.org/wiki/Emotion

    In some contexts, the expression of emotion (both voluntary and involuntary) could be seen as strategic moves in the transactions between different organisms. The situated perspective on emotion states that conceptual thought is not an inherent part of emotion, since emotion is an action-oriented form of skillful engagement with the world.

  5. Fear-potentiated startle - Wikipedia

    en.wikipedia.org/wiki/Fear-potentiated_startle

    Fear-potentiated startle (FPS) is a reflexive physiological reaction to a presented stimulus, and is an indicator of the fear reaction in an organism. The FPS response can be elicited in the face of any threatening stimulus (e.g., any object, person or situation that would cause someone to experience feelings of fear), but it can also be elicited by a neutral stimulus as a result of fear ...

  6. Defence mechanism - Wikipedia

    en.wikipedia.org/wiki/Defence_mechanism

    Anna Freud considered defense mechanisms as intellectual and motor automatisms of various degrees of complexity, that arose in the process of involuntary and voluntary learning. [ 9 ] Anna Freud introduced the concept of signal anxiety; she stated that it was "not directly a conflicted instinctual tension but a signal occurring in the ego of an ...

  7. Anxiety - Wikipedia

    en.wikipedia.org/wiki/Anxiety

    Anxiety disorders are a group of mental disorders characterized by exaggerated feelings of anxiety and fear responses. [7] Anxiety is a worry about future events and fear is a reaction to current events. These feelings may cause physical symptoms, such as a fast heart rate and shakiness.

  8. Behavior - Wikipedia

    en.wikipedia.org/wiki/Behavior

    It is the computed response of the system or organism to various stimuli or inputs, whether internal or external, conscious or subconscious, overt or covert, and voluntary or involuntary. [1] While some behavior is produced in response to an organism's environment (extrinsic motivation), behavior can also be the product of intrinsic motivation ...

  9. Voluntary action - Wikipedia

    en.wikipedia.org/wiki/Voluntary_action

    James suggests, for example, that the idea of a particular movement is a voluntary action; however, the movement itself, once the idea has been formed, is involuntary, provided the action itself require no further thought. [3] Voluntary action arises because humans and animals wish to fulfill desires.