RALEIGH, N.C. — He spent 10 years trying to get inside his opponents’ heads, trying to anticipate their every move on the ice as an NHL defenseman. Now, Dr. Jay Harrison, a former Carolina Hurricane, is trying to get back inside their heads, only this …RALEIGH, N.C. — He spent 10 years trying to get inside his opponents’ heads, trying to anticipate their every move on the ice as an NHL defenseman. Now, Dr. Jay Harrison, a former Carolina Hurricane, is trying to get back inside their heads, only this …