Genetic factors significantly contribute to the determination of human personality traits
assessed by self-report questionnaires. However, only in the past few years have common …

The reputation of the field of psychiatric genetics has recently become tarnished in the view
of many human geneticists. Too many linked loci were claimed and withdrawn, too many …

OCD patients represent a heterogeneous mix of clinical phenotypes, likely reflecting a wide
range of genetic vulnerabilities. In other medical illnesses, neurobiologically-based traits …

Only recently have studies of electrocortical activity, event‐related potentials, and regional
cerebral blood flow begun to shed light on the anatomical and neurobiological …

A previous case control study by Vandenbergh et al.[1997: Am J Med Genet 74: 439–442]
showed an association between the high activity catechol O-methyltransferase (COMT) …

A functional polymorphism in the coding region of the catechol O-methyltransferase (COMT)
gene has been reported in previous studies to be associated with obsessive compulsive …

Persistence (RD2) is a subscale of the reward dependence trait, one of the three major
personality factors assessed by the Tridimensional Personality Questionnaire (TPQ) …

In recent years, advances in brain research have resulted in a striking strategic shift in
studies designed to develop new, effective treatments for neuropsychiatric disorders. This …

Several lines of evidence suggest that a genetic component underlies Tourette's syndrome
(TS). We investigated both the role of the insertion/deletion polymorphism in the promoter …

As opposed to other psychiatric populations, subjects with obsessive-compulsive disorder
(OCD) smoke less than the general population. The present study aims at further …