Betty Parman, 31 years old, upon awakening in the morning, goes to her son's room and finds it empty. She becomes hysterical. She cannot remember what happened last week. Her husband reports that their 15-month-old son Steven contracted a virus and was hospitalized and placed on a ventilator. He died last week, and the funeral was three days ago. Betty remembers none of this

dissociative amnesia

Explanation:

dissociative amnesia is a  dissociative disorder . it can be term as the lack of the ability to remember/recur essential information mostly personal information that should not be easily forgotten ordinarily like that. I it main causative reason is usually as a result of trauma or stress. in this type of disorder it can easily be called mental sickness or break done, memory loss, identity disruption e.t.c it is selective in nature that is importance event, information e.t.c. are forgotten by individual which ordinarily shouldn't be forgotten.

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