Fragmented sleep is common in infancy. Although night awakening is known to decrease with age, in some infants night awakening is more persistent and continues into older ages. However, the influence of fragmented sleep on development is poorly known. In the present study, the longitudinal relationship between fragmented sleep and psychomotor…

Purpose: The aim of this study was to compare the verbal and nonverbal cognitive profiles of children with specific language impairment (SLI) with problems predominantly in expressive (SLI-E) or receptive (SLI-R) language skills. These diagnostic subgroups have not been compared before in psychological studies. Method: Participants were…

Background: Only a handful of longitudinal studies have explored the effects of both parents in early parenthood on children's cognitive development, and no study has controlled for simultaneous early childhood education and care (ECEC) experiences. Aims: To examine the similarity of each parent's cognitive guidance and contribution to children's…

This study focuses on the development of face recognition in typically developing preschool- and school-aged children (aged 5 to 15 years old, "n" = 611, 336 girls). Social predictors include sex differences and own-sex bias. At younger ages, the development of face recognition was rapid and became more gradual as the age increased up…

This longitudinal study examined the predictive associations between cumulative multidomain risk factors and cognitive (IQ), academic (reading fluency), and social adaptive outcomes at 8 to 9 years among 190 children with or without familial risk for dyslexia. Other risk factors included parental and neurocognitive risks assessed when the children…

A group of 767 children in Finland were studied over their first six years in school to discover what kind of variation there is in school readiness, what kind of development takes place in these variables during the basic school period, what relationship exists between these variables, to what extent heredity explains the differences, how far the…

This case study examined the development of linguistics concepts and the idea of bilingualism in a young girl of Finnish- and English-speaking parents over a 3.5 year period between the child's first and sixth birthday. Through observational methods, it was found that representative instances (preconcepts) of language were attained by age 2, first…

Results of a longitudinal study provide several insights into the idealization of motherhood, the idealization of mothers' relationships with their children in the years from 1 to 4, and the development of children of women who idealize motherhood. In the mother, idealization is associated with low self-esteem, denial of ambivalent feelings and…

Reports on a study of moral judgments in aggressive and nonaggressive children. Assessed moral judgment by presenting the children with stories of moral conflict in everyday life using peer rating. Results showed significant differences according to gender and no constant level of moral reasoning was measured in either aggressive or nonaggressive…

Background: The relationship between the age of reaching infant developmental milestones and later intellectual function within the normal population remains unresolved. We hypothesised that the age of learning to stand in infancy would be associated with adult executive function and that the association would be apparent throughout the range of…

The third Fenno-Hungarian Conference on Developmental Psychology covered four main concepts: the historical roots and development of social competence through three generations, parent-child interaction, parenthood, and the development of socio-cognitive competence through childhood and adolescence. A series of papers was presented addressing the…