PURPOSE The current study tested whether the difficulties of children with specific language impairment (SLI) in skill acquisition are related to learning processes that occur while practicing a new skill or to the passage of time between practice and later performance. METHOD The acquisition and retention of a new complex grapho-motor symbol were studied in 5-year-old children with SLI and p...

Those in 20th century philosophy, psychology, and neuroscience who have discussed the nature of skilled action have, for the most part, accepted the view that being skilled at an activity is independent of knowing facts about that activity, i.e., that skill is independent of knowledge of facts. In this paper we question this view of motor skill. We begin by situating the notion of skill in hist...

BACKGROUND Poor motor skills have been consistently linked with a higher body weight in childhood, but the causal direction of this association is not fully understood. This study investigated the temporal ordering between children's motor skills and weight status at 5 and 10 years. METHODS Participants were 668 children (54% male) who were studied from infancy as part of an iron deficiency a...

objectives: down syndrome (ds) is the most common multiple congenital anomaly syndrome associated with a developmental disability. children with down syndrome have delay in both motor and mental age. this study carried out to explore relationship between mental and motor age of children with ds. methods: a cross-sectional study was conducted on 60 participants with ds (5 to 7 years old) using r...