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Research

Evidence for Distinct Cognitive Profiles in Autism Spectrum Disorders and Specific Language Impairment

This finding supports distinct cognitive profiles in ASD and SLI and may provide further evidence for distinct aetiological mechanisms in the two conditions.

Research

Lack of replication for the myosin-18B association with mathematical ability in independent cohorts

Twin studies indicate that dyscalculia (or mathematical disability) is caused partly by a genetic component, which is yet to be understood at the molecular...

Research

Maternal Vitamin D Levels and the Autism Phenotype Among Offspring

We tested whether maternal vitamin D insufficiency during pregnancy is related to the autism phenotype.

Research

The Dyslexia Candidate Locus on 2p12 Is Associated with General Cognitive Ability and White Matter Structure

To further explore the effect of disorder-associated genes on cognitive functions, we investigated whether they play a role in broader cognitive traits.

Research

Autism and intellectual disability are differentially related to sociodemographic background at birth

We used population data on Western Australian singletons born from 1984 to 1999 (n = 398,353) to examine the sociodemographic characteristics of children...

Research

Fetal androgen exposure and pragmatic language ability of girls in middle childhood:

This is the first prospective study to identify an association between early life testosterone exposure and pragmatic language difficulties in girls

Research

Fetal androgen exposure and pragmatic language ability of girls in middle childhood

Prenatal exposure to testosterone has been shown to affect fetal brain maturation as well as postnatal cognition and behavior in animal studies.

Research

Free testosterone levels in umbilical-cord blood predict infant head circumference in females

Fetal androgens influence fetal growth as well as postnatal neurocognitive ability

Research

Caregiver broader autism phenotype does not moderate the effect of early caregiver-mediated support on infant language outcomes

Caregiver-mediated supports in general have shown mixed evidence for enhancing language outcomes in infants at higher likelihood of autism. While caregivers play a substantial role in caregiver-mediated supports, little is known about whether caregivers' own subclinical autistic features - known as broader autism phenotype - may moderate infant language outcomes. 

Research

Characterizing the Nature of Alexithymia in Autistic Adults: Validation of the Perth Alexithymia Questionnaire

Alexithymia—a trait characterized by difficulties in emotion processing—is of high interest in the autism field. However, the lack of validated alexithymia measures for autistic individuals limits progress. This study aimed to address this gap by examining the psychometric properties of the Perth Alexithymia Questionnaire (PAQ) across autistic and non-autistic samples. Using the PAQ, we investigated how alexithymia manifests in autistic individuals and its links with poor mental health outcomes (anxiety).