This comprehensive thematic review aims to highlight and familiarize readers with the
challenges and pitfalls encountered in differential diagnosis of autism spectrum disorders …

Abstract Purpose of Review Autism spectrum disorder (ASD) and attention
deficit/hyperactivity disorder (ADHD) are both increasing in prevalence and commonly co …

Autism spectrum disorder (ASD) substantially contributes to the burden of mental disorders.
Improved awareness and changes in diagnostic criteria of ASD may have influenced the …

The topic of this special issue on secondary versus idiopathic autism allows for discussion of
how different groups may come to manifest autism spectrum disorder (ASD) or ASD-like …

Abstract Knowledge on psychiatric comorbidity in adult ADHD is essential for prevention,
detection, and treatment of these conditions. This review (1) focuses on large studies (n> …

Individuals with autism spectrum disorder (ASD) are at increased risk for experiencing one
or more co-occurring psychiatric conditions. When present, these conditions are associated …

Recent worldwide epidemiological surveys of autism conducted in 37 countries are
reviewed; the median prevalence of autism is. 97% in 26 high-income countries …

Neuroimaging studies in autism spectrum disorders (ASDs) have provided inconsistent
evidence of cortical abnormality. This is probably due to the small sample sizes used in most …

Autism spectrum disorder (ASD), affecting over 2% of the pre-school children population,
includes an important fraction of the conditions accounting for the heterogeneity of autism …

Abstract The Autism Diagnostic Observation Schedule, Second Edition (ADOS-2) and the
Autism Diagnostic Interview, Revised (ADI-R) have high accuracy as diagnostic instruments …