Dr Adrian Grounds, Ian Brady's medical witness, said the Moors murderer essentially wants control over the manner and timing of his death.
He added that there is not an imminent suicide risk and this is not depressive thinking.
Dr Adrian Grounds, Ian Brady's medical witness, said the Moors murderer hates being an object of clinical concern.
"It makes him hostile," the doctor said.
Brady's mental health tribunal has resumed after a lunch break.
Ian Brady could be seen occasionally on screen during the evidence, his pale face covered partly by gold, metal-framed dark glasses, below an untidy, Teddy Boy-style haircut.
A tube crossed his cheek, going into his right nostril and he appeared to be making notes off screen with his right hand.
Dr Adrian Grounds, Ian Brady's medical witness, has told of the reason the Moors murderer wants to transfer prisons.
Dr Grounds said: "He has no hope of release, he is realistic about that. He wants to be free to end his life in his own way, and to control that."
Moors murderer Ian Brady claims his mental illness has been feigned and simulated.
Dr Adrian Grounds has described Ian Brady's symptoms of psychosis in 1985.
He said: "He was more obviously ill with psychotic symptoms. This picture is not fair now."
Dr Adrian Grounds, Ian Brady's medical witness, has argued that the Moors murderer exhibited no symptoms of psychosis.
He described a number of occasions when Brady, observed by hospital staff, was talking to himself or having conversations with people not present.
"These records do not show evidence of chronic active psychosis," Dr Grounds said.
Dr Cameron Boyd has described conversations he had with Ian Brady.
Brady described his crimes as "an existential exercise" and "petty" in relation to the actions of politicians and soldiers engaged in wars.
The sudden appearance on screen of Ian Brady came as a surprise.
The video link camera panned left to introduce Ashworth's medical team; it then panned to the right to show Brady's lawyer Nathalie Lieven QC.
Brady was sitting to her right, hunched and silent.
Judge Robert Atherton said the tribunal will seek to establish whether Ian Brady is suffering from a mental disorder.
Brady may give evidence, and that is a matter for him.
But there will be no inquiries into the whereabouts of the body of Keith Bennett.
The judge said: "That is not a matter we have authority to inquire about".