Pam Hillock of Hollis applies makeup at her home, which was difficult to do before she had a brain procedure to end physical shaking caused by essential tremor, a neurological disorder.

Inge Valentine of Kennebunk has deep brain stimulation surgery in March 2014 at Maine Medical Center in Portland. Valentine, 73, was diagnosed 13 years ago with Parkinson’s disease, which led to uncontrolled flailing of her arms and legs.

Inge Valentine of Kennebunk has deep brain stimulation surgery in March 2014 at Maine Medical Center in Portland. Valentine, 73, was diagnosed 13 years ago with Parkinson’s disease, which led to uncontrolled flailing of her arms and legs.

Pam Hillock of Hollis rides her motorcycle in June. Hillock had a difficult time riding before getting deep brain stimulation to eliminate physical tremors.

Maine Med neurosurgeon Anand Rughani specializes in deep brain stimulation therapy, which uses cardiac pacemaker technology and became available in Maine in the past year.