What is a trigger in psychology?
A trigger is a psychological mechanism that activates certain memories or emotions in response to specific stimuli, such as sounds, images, or events. When a person experiences a trigger, it can evoke past trauma or stress, even if the individual is not consciously aware of the underlying memory. This process often involves psychological defenses like repression or regression, where the brain either pushes away the memory or alters its perception, but the emotional response remains.
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