Trichotillomania (Hair Pulling) Support Group
Impulsive control disorder is the inability to resist an urge, temptation, or impulse, even when it may cause negative effects to the self or to others. If you or a loved one suffers from impulsive contorl disorder, join the community to find support and share your challenges with others who know what you're going through.
I'm curious where you found this article...this is the first I have personally heard about it.
here is a LENGTHY article that discusses particular findings about Trich in a particular study if you are interested...
http://deposit.ddb.de/cgi-bin/dokserv?idn=972853820&dok_var=d1&dok_ext=pdf&filename=972853820.pdf