Doctor Hall was a psychologist of the MI6. He examined James Bond's mental health after he came back to MI6. He made Bond some simple word associations. But Hall said Skyfall Bond kept silent and finished the examination.
Later in the film, Raoul Silva told to Bond that Hall doesn't cleaned Bond for duty.
Psychological evaluation: Alcohol and substance additinindicated. Pathological rejection of authority based on unresolved childhood trauma.
Behind the scenes