aim and background: this study investigated the effectiveness of group play on social skills of female preschool children (6-7 years old).   methods and materials: in this semi-experimental study, 20 female 6-7 year-old children were randomly selected and assigned to intervention and control groups (n = 10 in each). the intervention group participated 12 sessions of group play. all children wer...

this study was conducted to evaluate the association between h. pylori infection and iron deficiency anemia (ida) among preschool children (age range: 40-75 months) at a tertiary referral hospital in tehran.in a case-control study, the prevalence of h. pylori seropositivity was compared between 64 children with ida diagnosis and 70 healthy non-anemic sex- and age-matched controls. totally, 52 (...

conclusions the findings of this study indicate that older children are more proficient in comprehension of color words compared to younger children, and girls are more proficient than boys. the two easiest and two most difficult color words for children to comprehend within the 3 age groups were “black” and “red” and “phosphoric-green” and “turquoise-blue,” respectively. there was a positive r...

objectives: the aim of this study was to determine the effect of perceptual-motor training on motor skills of normal preschool children (aged 4-6 years) in esfahan city. methods: this was a quasi-experimental study with intervention and control groups. each group included 30 normal preschool children aged 4 to 6 years. they were selected randomly children of intervention group one empowering ch...

Because of the role of play in the epigenetic construction of social brain functions, the young of all mammalian species need su…cient play. For the same reason, the nature of that play becomes an important social policy issue for early childhood development and education. Animal research on this topic indicates that play can facilitate the maturation of behavioral inhibition in growing animals...

OBJECTIVE The current model of ADHD suggests abnormal reward and punishment sensitivity, although differences in ADHD subgroups are unclear. This study aimed to investigate the effect of feedback valence (reward or punishment) and punishment magnitude (small or large) on Feedback-Related Negativity (FRN) and Late Positive Potential (LPP) in two subtypes of ADHD (ADHD-C and ADHD-I) compared to t...