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At least 1,405 records · Page 78Linked to original sources
PubMed1975

Social and play behaviors of institutionalized mongoloid and nonmongoloid retarded children.

A total of 24 institutionalized retarded children, 12 mongoloid (Down's syndrome) and 12 nonmongoloid, were observed in dyadic interaction with peers in a free-play situation, and a number of specific peer-social and non-social behaviors were recorded as they occurred. Differences between mongoloid and nonmongoloid Ss were most apparent on several social behavior categories which support the stereotypic conception of mongoloids as more sociable, gregarious, etc. Differences were most apparent for the mongoloid boys. The possible influence of tranquilizer drugs and cottage placements on the observed differences was discussed.

Child↗
PubMed2004

Beyond the two-strategy model of skilled spelling: effects of consistency, grain size, and orthographic redundancy.

Most models of spelling assume that people rely on two procedures when engaging in spelling: a lexical look-up procedure that retrieves spellings in their entirety, and a nonlexical procedure that constructs spellings with a set of phoneme-grapheme rules. In the present research, we investigated whether larger sized subsyllabic relationships also play a role in spelling, and how they compare to small-sized phoneme-grapheme relationships. In addition, we investigated whether purely orthographic units can explain some of the variance typically attributed to the mapping between sound and spelling. To do this, we ran five spelling experiments, two using real words and three using nonwords. Results from the experiments showed that there were independent contributions of both phoneme-grapheme and larger sized subsyllabic sound-spelling relationships, although the effect of phoneme-grapheme-sized relationships was always stronger and more reliable than larger sized subsyllabic sound-spelling relationships. Purely orthographic effects were also shown to affect word spelling, but no significant effects were found with nonword spelling. Together, the results support the hypothesis that a major constraint on spelling comes from phoneme-grapheme-sized relationships.

Choice Behavior↗
PubMed2002

Multiple doses of secretin in the treatment of autism: a controlled study.

UNLABELLED: Dramatic effects on autistic behaviour after repeated injections of the gastrointestinal hormone secretin have been referred in a number of case reports. In the absence of curative and effective treatments for this disabling condition, this information has created new hope among parents. Although controlled studies on the effect of mainly one single dose have not documented any effect, many children still continue to receive secretin. Six children enrolled in a double-blind, placebo-controlled crossover study in which each child was its own control. Human synthetic secretin, mean dose 3.4 clinical units, and placebo were administered intravenously in randomized order every 4th wk, on three occasions each. The measurement instruments were the visual analogue scale (VAS) and the aberrant behaviour checklist (ABC). Statistically significant differences were found for placebo in 3 out of 6 children and for secretin in one child, using parental ratings only (VAS scores). Differences were small and lacked clinical significance, which was in accordance with the overall impression of the parents and teachers and visual inspection of graphs. CONCLUSION: In this placebo-controlled study, multiple doses of secretin did not produce any symptomatic improvement.

Appetite↗
PubMed2004

Depressive symptoms and suicidal behaviour: changes with time in an adolescent clinic cohort.

OBJECTIVE: There are suggestions of a secular increase in the prevalence of depression, self-harm and suicidal behaviour in young people. This study aims to examine changes in prevalence of psychological disturbance over time in adolescents referred for treatment. METHOD: Data on the type and severity of emotional and behavioural problems was measured using the Youth Self-Report and Child Behaviour Checklist in 4495 clinic-referred adolescents aged 12-17 years, born in a 21-year period (1966-1986). RESULTS: After taking into account the confounding effects of age and gender, there were significant increases in reports of self-harm and suicidal ideation (5% and 4% increase in odds per year, respectively) according to parents, but there was no change in parental ratings of depression (anxious/depressed scale). There were no changes in ratings of self-harm, suicidal ideation or anxiety/depression when adolescent reports were considered. The mean age at the time of referral decreased with increasing year of birth, from 14.6 years in those born in 1966-1971, to 13.1 years in those born in 1981-1986. CONCLUSIONS: Parents of referred adolescents reported increasing self-harm and suicidal behaviour with increasing year of birth. In contrast, there were no changes over time in the adolescents' reports. Neither parents nor children reported an increase in depressive symptoms. Perceptions of a secular increase may reflect increasing parental awareness of some behaviours, particularly self-harm and suicidal ideation. Interpretation of these results needs to be cautious given the clinical origin of the sample.

Adolescent↗
PubMed1992

Elective mutism as a variant of social phobia.

To examine the relationship between the syndromes of elective mutism and social phobia, a case of elective mutism associated with social phobia in a 12-year-old girl is presented, and the clinical literature regarding the syndrome of elective mutism is reviewed. Elective mutism or reluctance to speak in unfamiliar social situations may be a symptom of social phobia. Social anxiety is a nearly universal characteristic of children manifesting the syndrome of elective mutism. Elective mutism may respond to treatment with medications that also are effective in the treatment of social phobia. Elective mutism may be a manifestation of social phobia rather than a separate diagnostic syndrome. Pharmacologic treatment may be effective.

Child↗
PubMed1990

Juvenile delinquency and attention deficit disorder: boys' developmental trajectories from age 3 to age 15.

This article describes a longitudinal analysis of the behavior of a birth cohort of 435 boys. 4 groups were defined at age 13 on the basis of both self-reported delinquent behavior and professional diagnosis of Attention Deficit Disorder: ADD + delinquent, ADD only, delinquent only, and nondisordered. Biennial correlates of delinquency (antisocial behavior problems, verbal intelligence, reading difficulty, and family adversity) were traced across childhood. The ADD + delinquent boys consistently fared the worst on the assessments of family adversity, verbal intelligence, and reading. Their antisocial behavior began before school age, escalated at school entry, and persisted into adolescence. The ADD-only boys had normal family, intelligence, and reading scores, and showed only mild antisocial behavior in middle childhood. The delinquent-only boys showed no early risk from family, low intelligence, or reading deficit, and remained relatively free of conduct problems until they initiated delinquency at age 13. Persistence of criminal offending beyond adolescence is predicted for the ADD + delinquent boys.

Achievement↗
PubMed1990

Activities and interactions of mothers and their firstborn infants in the first six months of life: covariation, stability, continuity, correspondence, and prediction.

Activities of primiparous mothers and infants were observed at 2 and 5 months of age during naturalistic interactions at home. 5 prominent features of mother and infant exchanges in this short-term longitudinal study are described and discussed in the context of 3 models of unique environment-development relations: covariation, stability, continuity, correspondence, and prediction. Generally, mothers' activities did not positively covary at either age, nor did those of infants. Some maternal activities were stable in this time period; some developmentally increased, and some developmentally decreased. Infants' activities were unstable, but most increased over time. Specific mother and infant activities corresponded, and over time mothers and infants influenced one another in specific ways. In the critical period of the first half year, infants appear to be flexible and plastic in their behavioral repertoires and are influenced by their mothers; mothers are somewhat consistent, but they also adapt to the behaviors of their infants.

Arousal↗
PubMed1991

A dose-response analysis of the effects of methylphenidate on the peer interactions and simulated classroom performance of ADD children with and without conduct problems.

To examine the social effects of methylphenidate, groups of 15 attention-deficit disordered boys with (ADD) and 15 ADD boys without conduct problems (ADD/CP) were paired with normal peers. ADD and ADD/CP children showed a different pattern of responses to methylphenidate. While on task behavior in ADD/CP dyads increased at 0.15 mg/kg doses, increases in ADD dyads were not observed until doses reached 0.50 mg/kg. Although controlling interaction in ADD children decreased at 0.15 mg/kg, the controlling behavior of ADD/CP children did not decline at either dose. Peers of both ADD and ADD/CP children showed reciprocal declines in controlling behavior. In both free play and cooperative task situations, 0.15 mg/kg increased social interaction in ADD boys and decreased social interaction in ADD/CP boys.

Achievement↗