Answer:
Dissociative amnesia
Step-by-step explanation:
Dissociative amnesia is a type of dissociative disorder that is associated memory loss that is intense than the normal forgetfulness. It involves inability to remember essential personal information, usually caused by trauma or stress.
In other words, an individual suffering from dissociative amnesia, will not be able to recall information about him or herself or events and people in his or her life, specifically from a traumatic time.
However, in other to treat dissociative amnesia, clinical hypnosis is one of the treatment method that can be employed, and it involves using lots of relaxation, concentration, and focused attention to achieve an altered state of consciousness, which allow patients to explore thoughts, feelings, and memories that may be hidden from their conscious minds.
Hence, in this case, the diagnosis is DISSOCIATIVE AMNESIA.