psychiatry

Altered cortical gyrification in adults who were born very preterm and its associations with cognition and mental health

Background The last trimester of pregnancy is a critical period for the establishment of cortical gyrification, and altered folding patterns have been reported following very preterm birth (textless 33 weeks of gestation) in childhood and …

The effect of a genetic variant at the schizophrenia associated AS3MT/BORCS7 locus on striatal dopamine function: A PET imaging study

One of the most statistically significant loci to result from large-scale GWAS of schizophrenia is 10q24.32. However, it is still unclear how this locus is involved in the pathoaetiology of schizophrenia. The hypothesis that presynaptic dopamine …

The effect of the DISC1 Ser704Cys polymorphism on striatal dopamine synthesis capacity: an [18F]-DOPA PET study

Abstract. Whilst the role of the Disrupted-in-Schizophrenia 1 (DISC1) gene in the aetiology of major mental illnesses is debated, the characterization of its f

Genetic risk for schizophrenia and autism, social impairment and developmental pathways to psychosis

While psychotic experiences (PEs) are assumed to represent psychosis liability, general population studies have not been able to establish significant associations between polygenic risk scores (PRS) and PEs. Previous work suggests that PEs may only …

A dimensional approach to assessing psychiatric risk in adults born very preterm

BackgroundIndividuals who were born very preterm have higher rates of psychiatric diagnoses compared with term-born controls; however, it remains unclear whether they also display increased sub-clinical psychiatric symptomatology. Hence, our …

Reward-Based Learning as a Function of Severity of Substance Abuse Risk in Drug-Naïve Youth with ADHD

Objective: Attention-deficit/hyperactivity disorder (ADHD) is associated with elevated risk for later development of substance use disorders (SUD), specifically because youth with ADHD, similar to individuals with SUD, exhibit deficits in learning …

The effect of perinatal brain injury on dopaminergic function and hippocampal volume in adult life

We discovered that people who had brain injury associated with very preterm birth has reduced dopamine function and smaller hippocampus than controls. The dopamine dysfunction was associated with negative and cognitive psychiatric symptoms. This work …

A whole-brain investigation of white matter microstructure in adolescents with conduct disorder

Background The biological basis of severe antisocial behaviour in adolescents is poorly understood. We recently reported that adolescents with conduct disorder (CD) have significantly increased fractional anisotropy (FA) of the uncinate fasciculus (a …

Frontal networks in adults with autism spectrum disorder

Autism spectrum disorder (ASD) is proposed to reflect atypical connectivity between higher-order association areas. Using diffusion imaging, Catani et al. revea