A psychologist says they've had an increase in the number of patients following Leaving Neverland.

The controversial two-part documentary features Wade Robson and James Safechuck as they tell of being sexually abused by Michael Jackson when they were children.

Clinical psychologist, Barry Kirker told Mike Hosking New Zealand has a lot of people who can help victims recover from this kind of abuse.

He said some people might have put it to the side, and this documentary has triggered those memories again.