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Fear in the brain

The circuitry of fear
- particular cellular mechanisms in the human brain that control fear.
Cognitive
- of, relating to, being, or involving conscious intellectual activity (such as thinking, reasoning, or remembering)
Reactive
- occurring as a result of stress or emotional upset
To be susceptible to sth
- easily affected, influenced, or harmed by something
Fight flight or freeze response
- three types of how a person reacts to threat:
fight
- to aggressively confront the threat,
flight
- to try to escape from danger, and
freeze
- to find yourself unable to move or act.
Defensive
(
behaviour
) - devoted to resisting or preventing aggression or attack.
(
Pavlovian
)
fear conditioning
- a method by which organisms are taught to be afraid of something by associating it with stimuli.
To deflate
(
one's fears
) - to reduce in size, importance, or effectiveness
Suppression
(
of fear response
) - the act of preventing something from being expressed or known.
To overcome
- to defeat or succeed in controlling or dealing with something
Anxiety
- an uncomfortable feeling of nervousness or worry about something that is happening or might happen in the future.
Phobia
- a type of anxiety disorder (= a mental illness that makes someone very worried and affects their life) that involves an extreme fear of something
The fear network
=
the amygdala
- a network of structures in the brain that trigger the stress response.
Neurotransmitters
:
norepinephrine, dopamine, GABA
- biologically active chemicals, by means of which an electrochemical pulse is transmitted from a nerve cell through the synaptic space between neurons.
Amygdala
- one of two parts of the brain that affect how people feel emotions, especially fear and pleasure.
Hippocampus
- a part of the brain that is part of the limbic system and is important for memory.
To spiral out of control
- to continuously become worse, more, or less.

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