YoumightthinkthathavingOCDjustmeansbeing a neatfreak, butactually, obsessive-compulsivedisorderis a seriousailmentthatonlyaffectsabout 2% ofthepopulation.
Althoughscientistsarestilllearninghowthedisorderworks, manythinkithastodowiththechangesin a circuitofthebraincalledthecorticostriatalpathway, whichregulateshabitandrepeatedaction.
Around 300 peoplehaveundergonesomethingcalledDBS, ordeepbrainstimulation, whichiswhenelectrodesareimplantedinthebraintocontrolimpulsesinsomeofthecorticostriatalregions.