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Bill, There is a fine line between stereotypic movement disorder and OCD. While stereotypy does not have the compulsive component to it, OCD does. Stereotypy is often associated with developmentally disabled individuals and contains such behaviors as hand waving, rocking, fiddling with fingers etc. but are characteristically less complex and are not cognitively "designed" to counter a specific obsession. Rather they are more like hair-pulling (which most people would say they don't know why they do it; they just do than handwashing where people come up with elaborate stories of why they are washing repeatedly. The problem with the article is that the authors talk about a Movement Disorder when they mean a drug induced psychiatric disorder. I have not heard of the term "punding" and cannot find it in the DSM-IV. When I started writing this I was thinking that they were talking about stereotypy but on closer reading they really are talking about OCD symptoms as you say. OCD has been thought to be mediated by seratonin not l-DOPA therefore either that is not true, or the PD meds have an effect on the seratonergic system. There also may be more than 1 mechanism for OCD or punding is different from OCD in a way I don't understand. Interesting point though Bill- which I hadn't thought about the first time I read the article- which may have an implication for the treatment of OCD. Charlie William Harshaw wrote: > While I'm not a physician, punding sounds very similar to > Obsessive-Compulsive Disorder, or am I missing something? > > Bill > -----Original Message----- > From: janet paterson <[log in to unmask]> > To: [log in to unmask] <[log in to unmask]> > Date: Saturday, September 25, 1999 11:04 AM > Subject: PMID: 10495047: Punding on L-Dopa > > >Punding on L-dopa. > > > >"Punding" is a stereotypical motor behavior in which there is an intense > >fascination with repetitive handling and examining of mechanical objects, > >such as picking at oneself or taking apart watches and radios or sorting > >and arranging of common objects, such as lining up pebbles, rocks, or other > >small objects. > > > >It is thought to be dopamine-related although only a single report of > >punding in a patient with Parkinson's disease (PD) resulting from L-dopa > >has been reported. > > > >We describe three additional cases. > > > >All were women aged 65-72 years with a PD duration between 10 and 20 years, > >on 500-1900 mg L-dopa per day. > > > >One spent hours in the market fascinated by cans. > > > >At home she endlessly examined and catalogued her jewelry. > > > >Another picked threads in rugs indoors and weeded her garden compulsively > >to the point of wetting herself rather than stopping. > > > >The third hoarded flashlights taking them apart and reassembling them. > > > >All improved with reduction of their anti-PD medications. > > > >We think punding is an uncommon but overlooked complication of dopaminergic > >drugs. > > > > > >Mov Disord 1999 Sep;14(5):836-8 > >Fernandez HH, Friedman JH > >Brown University School of Medicine, Pawtucket, Rhode Island, 02860, USA. > >PMID: 10495047, UI: 99423238 > > > ><http://www.ncbi.nlm.nih.gov/PubMed> > > > >janet paterson > >52 now / 41 dx / 37 onset > >613 256 8340 po box 171 almonte ontario canada K0A 1A0 > >a new voice: <http://www.geocities.com/SoHo/Village/6263/> > ><[log in to unmask]> > > -- ****************************************************************************************** Charles T. Meyer, M.D. Middleton (Madison), Wisconsin [log in to unmask] ******************************************************************************************