The growth hormone response to the acetylcholinesterase inhibitor
pyridostigmine was measured in nine normothymic outpatients who met DSM-
III-R criteria for obsessive-compulsive disorder. The responses were
significantly elevated when compared to those found in a healthy comparison
group (N = 9). The data suggest that cholinergic supersensitivity is
present in obsessive-compulsive disorder.Abstract Teaser