Answer:
Caleb is most likely diagnosed with Psychogenic amnesia or dissociative amnesia.
Step-by-step explanation:
Psychogenic amnesia, also known as dissociative amnesia, is a type of memory disorder which is characterized by a sudden retrograde episodic amnesia. A person with psychogenic amnesia lacks conscious knowledge about themselves and thus are unable to remember any personal information.
This disorder is caused due to some form of psychological trauma or stress.
Therefore, Caleb is most likely diagnosed with Psychogenic amnesia or dissociative amnesia.