Diverse phenotypic associations with the catechol-O-methyltransferase (COMT) Val 158 Met
polymorphism have been reported. We suggest that some of the complex effects of this …

Obsessive–compulsive disorder (OCD) is characterized by repetitive intrusive thoughts and
compulsive time-consuming behaviors classified into three to five distinct symptom …

Temporomandibular disorders (TMD) consist of a heterogeneous family of musculoskeletal
disorders that represent the most common chronic orofacial pain condition. 15, 16, 57 …

Twin studies indicate that obsessive–compulsive disorder (OCD) is strongly influenced by
additive genetic factors. Yet, molecular genetic association studies have yielded inconsistent …

Obsessive-compulsive disorder (OCD) is a serious psychiatric disorder that affects
approximately 2% of the populations of children and adults. Family aggregation studies …

Context There is strong evidence from family and twin studies that genetic determinants play
an important role in the etiology of obsessive-compulsive disorder (OCD). In the only …

Obsessive-compulsive disorder (OCD) is a frequent and chronic psychiatric disorder that
has been linked closely to the serotonin system mainly because of the antiobsessional …

Background Current efforts to study the genetic underpinnings of higher brain functions have
been lacking appropriate phenotypes to describe cognition. One of the problems is that …

INTRODUCTION: Obsessive-compulsive disorder (OCD) is a heterogeneous condition, in
which subtypes have been proposed. Previous studies suggested that gender plays a …

Context The first 2 independent linkage studies for obsessive-compulsive disorder (OCD)
identified a region on 9p24 with suggestive evidence for linkage. The glutamate transporter …