Yes & No, It does but not completely, it blocks that memory inorder to shield itself from facing traumatic experience, i would like to tell u more but its not ideal to put it in few words.
But to give u the basics in short it stores that specific memory onto the unconscious part of ur mind, while u surf through ur conscious part of ur mind on ur day to day routine, when this happens as ur brain blocks it, its known as "Amnesia" short term memory lose or long term memory lose, that depends on the severity of the traumatic incident.
FYI - Some ppl use hypnosis to retrieve these type of memories cuz even though u may not remember it, u may face it as nightmares, sudden shocks, anxiety, may even affect ur behavior in lots of ways n finding it hard to be with company.
Hope i was helpful.
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Sep 18, 2020