This study of 12 residents of a treatment facility for individuals with mental retardation examined cycles in occurrences of self-injurious behavior (SIB) and aggression both within and across individuals. The study confirmed that such behavior tended to be rhythmical, with cycles of three-month and five-month periods consistently observed for…

Interviews with parents of 30 school-age girls with fragile X syndrome (fraX) and 31 age- and IQ-matched controls concerning autistic behaviors found that girls with fraX had significantly more autistic behaviors than controls, but incidence of autistic behaviors was not correlated with IQ. Anxiety and posterior cerebellar area measures were also…

This study compared the occurrence and characteristics of self-stimulatory behaviors of 5 children with developmental delays and 10 nondisabled children (matched for either mental or chronological age). Few differences were found between groups in percentage of time spent in self-stimulatory behavior, the variety of such behaviors, the speed at…

The follow-up study examined 16 schizo-affective children after a mean of 16 years. In comparison to purely schizophrenic controls, subjects showed an increased incidence of affective psychoses, suicide in the ancestry, and more pre-morbidly well-adjusted personalities. The schizo-affective psychoses had mainly an acute-recurrent character.…

A survey of the families of 62 persons with Prader-Willi syndrome examined the prevalence, topographies, and specific body locations of self-injurious behaviors. Self-injury was reported for 81% of the participants. Skin-picking was the most prevalent form with the front of the legs and head being disproportionately targeted. Incidence also varied…

A search of the literature to differentiate among definitions of physical discipline, corporal punishment, and physical child abuse identified five studies which revealed that abusive parents spanked their children more often than did nonabusive parents. Aggregated data from nonabusive parents suggested a "normal range" of daily spanking…

The frequency of sexual behaviors among 251 preschoolers attending Swedish day-care centers was evaluated. Some behaviors were frequently occurring (like clinging body contact) whereas others were very uncommon (touching an adult's genitals). Correlations between age and single behaviors were seen as manifestations of the socialization process.…

A survey of eight motor habits, including body-rocking, was administered to two large samples (N=861, N=766) of college students. A surprisingly high proportion of respondents (over 40% of males and over 50% of females) reported they engaged in body rocking when either bored or overstimulated The similar incidence in people with mental retardation…

This study examined how type of task affected 42 subjects' drinking patterns. Results indicated that subjects who had completed light creative work drank more alcohol than those in noncreative tasks, and participants completing hard creative tasks drank more of both alcoholic and nonalcoholic fluids. Results are discussed in terms of the need to…

Comparison of scores on the Child Behavior Checklist of 1,120 Flemish and 1,122 Dutch children, aged 6 to 12 years, found no differences between groups on total problem scores, higher scores for Dutch children on the Activities scale, and higher scores for Flemish children on the School scale. (DB)

Sleep patterns of 103 institutionalized individuals with profound mental retardation were explored. Almost 40% were found to have short-sleep patterns. Short-sleep was predicted by blindness; nonshort-sleep was predicted by diagnosis of cerebral palsy and sodium valproate usage. Techniques for minimizing possible negative consequences of…

This study investigated demographic and phenomenological characteristics of obsessive compulsive disorder (OCD) in nine adults with Down syndrome (DS), and possible effects on adaptive behavior. Results suggest OCD is more common in the DS population than the non-DS population. Ordering and tidiness was the most common form of OCD found, and…

Evaluation of 11 children from 5 exile families with at least 1 parent having been subjected to torture found children were anxious, depressive, and regressive with psychosomatic symptoms, sleep disorders, and family and school problems. Coping strategies including isolation and withdrawal, mental flight, eagerness to acclimatize, and strength of…

Assessment of 84 children diagnosed with controlled or uncontrolled complex partial or absence seizures but no documented learning or emotional disorders found no influence of seizure type on achievement test scores or behavioral ratings. A main effect was found for degree of control, with poorly controlled seizures correlating with lower reading…

Mothers of 137 children (with or without a sibling having Down's syndrome) were interviewed regarding their child without Down's syndrome. There were no significant differences between groups regarding expectations of "typical" children, but mothers of girls with a Down's syndrome sibling reported significantly more conduct problems than did other…