Partitioning the etiology of hoarding and obsessive-compulsive symptoms.

@article{Mathews2014PartitioningTE,
  title={Partitioning the etiology of hoarding and obsessive-compulsive symptoms.},
  author={Carol A Mathews and Kevin L Delucchi and Danielle C. Cath and Gonneke A H M Willemsen and Dorret I. Boomsma},
  journal={Psychological medicine},
  year={2014},
  volume={44 13},
  pages={2867-76}
}
BACKGROUND Until recently, hoarding was considered an obsessive-compulsive symptom (OCS). However, current evidence suggests that these two phenotypes may be clinically, and perhaps etiologically, distinct. Both hoarding and OCS have a genetic etiology, but the degree of unique and shared genetic contributions to these phenotypes has not been well studied. METHOD Prevalence rates were assessed for hoarding and OCS in a sample of adult twin pairs (n = 7906 twins) and their family members from… CONTINUE READING
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