Copy number variants (CNVs) are deletions and duplications of DNA sequence. The most
frequently studied CNVs, which are described in this review, are recurrent CNVs that occur …

Schizophrenia is a chronic, heterogeneous neurodevelopmental disorder that has complex
symptoms and uncertain etiology. Mounting evidence indicates the involvement of genetics …

Abstract Background The Gulf Cooperation Council (GCC), with a predominant 'youth
bulge'among its 54 million people, has witnessed an exponential increase in research …

The onset of schizophrenia is determined by biological and social risk factors operating
predominantly during development. These result in subtle deviations in brain structure and …

In 2021, one-hundred and ten years passed since a Swiss psychiatrist, Eugen Bleuler,
introduced a term‛ schizophrenia', denoting one of the most severe and stigmatizing …

The heritability of intelligence or general cognitive ability is estimated at 41% and 66% in
children and adults respectively. Many rare copy number variants are associated with …

Schizophrenia (SCZ) and bipolar disorder (BD) are severe psychiatric disorders that share
clinical features and several risk genes. Important information about their genetic …

Psychiatric diseases, such as schizophrenia, bipolar disorder, autism spectrum disorder,
and major depressive disorder, place a huge health burden on society. Cognitive …

Mismatch negativity (MMN) is a differential electrophysiological response measuring cortical
adaptability to unpredictable stimuli. MMN is consistently attenuated in patients with …

Background: To study whether there is genetic overlap underlying the risk for schizophrenia
spectrum disorders (SSDs) and low intelligence quotient (IQ), we reviewed and summarized …