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…
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Triggering the response. The fight-or-flight response begins in the amygdala, which is an almond-shaped bundle of neurons that forms part of the limbic system. It plays an important role in…
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Since 5-HT release increases in the basolateral amygdala (BLA) during both fear memory acquisition and expression, we examine whether and how 5-HT neurons encode aversive stimuli and aversive cues. Next,…
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Catecholamines include neurotransmitters such as dopamine, epinephrine (adrenaline) and norepinephrine (noradrenaline), which are releasedduring the body's stress response. The adrenaline rush you have probably felt when scared is the…
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One of the main hormones releasedduring scary and thrilling activities is dopamine, and it turns out some individuals may get more of a kick from this dopamine response than…
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What is Fear? Fear is a chain reaction in the brain that starts with a stressful stimulus and ends with the release of chemicals that cause a racing heart ,…
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Fear is a chain reaction in the brain that starts with a stressful stimulus and ends with the release of chemicals that cause a racing heart, fast breathing and energized…
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Once you understand how your brain works, even at a high-level, it is easier to accept, manage, and control the chemicals that cause anxiety. In Habits of a Happy Brain:…
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They found that this fear-inducing chemical, a new class of molecules called sulfolipids, could activate four redundant brain circuits that led to this behavior. Additionally, C. elegans continued to change…
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It is well documented across phyla that animals experiencing stress and fear produce chemical warning signals that can lead to behavioral, endocrinological, and immunological changes in the recipient animals of…
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The brain structures and neurological mechanisms behind anxiety and fear are well-known by science. To understand and cope with ... Cortisol, Oxytocin, Epinephrine (Adrenaline), and Norepinephrine – A sampling of…
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