Final answer:
The psychological disorder that exhibits these symptoms is dissociative fugue.
Step-by-step explanation:
Based on the symptoms described, the psychological disorder that exhibits these symptoms is dissociative fugue, also known as dissociative amnesia with dissociative fugue.
Dissociative fugue is a type of dissociative amnesia where an individual not only forgets their past but also travels or wanders away from their home or usual environment. During the fugue state, the person may assume a new identity and have no memory of their previous life.