Psychology Glossary
Lexicon of Psychology - Terms, Treatments, Biographies,

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Sympathetic Nervous System Activation

Deutsch: Aktivierung des sympathischen Nervensystems / Español: Activación del sistema nervioso simpático / Português: Ativação do sistema nervoso simpático / Français: Activation du système nerveux sympathique / Italiano: Attivazione del sistema nervioso simpatico

The Sympathetic Nervous System Activation represents a fundamental physiological response mechanism within the autonomic nervous system, governing the body's immediate reaction to perceived threats or stressors. This process is integral to the "fight-or-flight" response, a term coined by Walter Cannon in the early 20th century to describe the adaptive physiological changes that prepare an organism for rapid action. While primarily associated with acute stress, its chronic activation has been linked to various psychological and physical health outcomes, making it a critical area of study in both clinical and experimental psychology.

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Sympathomimetic

A sympathomimetic substance mimics the effects of epinephrine or norepinephrine, which are secreted from the sympathetic nervous systems.

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Sympathy

Deutsch: Mitgefühl / Español: simpatía / Português: simpatia / Français: sympathie / Italiano: simpatia

Sympathy is an other-directed emotional reaction to another person's state of need, characterized by feelings of concern, compassion, and tenderness.

In psychology, sympathy refers to the feelings of pity and sorrow for someone else's misfortune. This emotional response is not just an acknowledgment of another's hardship but also involves some level of emotional concern or Care for the other person, though it does not necessarily mean feeling the same emotions as that person.

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Symphysis

Deutsch: Symphyse / Español: Sínfisis / Português: Sínfise / Français: Symphyse / Italian: Sinfisi

In the psychology context, symphysis refers to a less common term, typically used in medical or anatomical contexts. However, if we consider its metaphorical application, it could be used to describe the concept of a close and functional union or connection between different parts, aspects, or systems in psychology.

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Symptom

Deutsch: Symptom / Español: Síntoma / Português: Sintoma / Français: Symptôme / Italiano: Sintomo

In the context of psychology, a symptom refers to any manifestation of a Condition that is experienced by an individual and indicative of a psychological disorder or mental health issue. Symptoms are the subjective elements of a disorder, which the individual reports to a clinician, in contrast to signs, which are objectively observed by others.

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Synapse

Synapse refers to a gap at the end of a nerve fiber across which nerve impulses pass to the next neuron

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Synapses

Synapses refer to points of communication between neurons.

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Synaptic cleft

synaptic cleft refers to the space between nerve cells where chemical transmitters act to move impulses from one neuron to the next.

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