Sleep disturbances are likely to be associated with emotional and behavioural problems in typically and atypically developing children. The study was aimed to evaluate sleep disturbances in children with autism spectrum disorder (ASD) and their associations with emotional/behavioural problems. The study comprised eighteen 5-year-old boys with…

The study was performed in St. Petersburg in 2015 and comprised 34 children with diagnosed Down's syndrome (DS) aged 9-15 (mean 11) years (17 boys, 17 girls) who attended special schools. Control group was made up of 34 clinically healthy normal intelligence schoolchildren matched for age, sex and geographical distribution. The mothers were…

Examined value of construction play scores on Lunzer Five Point Play Scale at 4 years as predictor of later mathematical achievement. At grades 3 and 5, found little significance in relationship between play performance and mathematical achievement. At grade 7 and in high school, each area of construction play and standardized test scores was…