Ned seeks therapy after having recurrent episodes of feeling "detached from himself" for several months, but he has not lost his self-awareness or memory. He notes that he feels like a robot,...

Ned seeks therapy after having recurrent episodes of feeling "detached from himself" for several months, but he has not lost his self-awareness or memory. He notes that he feels like a robot, disconnected from his movements and actions. He is most likely suffering from

 depersonalization disorder

 the fugue

schizophrenia

 panic disorder

or  dissociative identity disorder