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Biomedical subjects

R T Brown

Publications and source records attributed to R T Brown.

140 records · Page 8Linked to original sources
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Social skills and psychological adjustment of child and adolescent cancer survivors.

Social skills and psychological adjustment for survivors of childhood cancer were investigated. Cancer survivors included 42 children and adolescents ranging in age at evaluation from 6 to 18 years with a mean age of 13.1 years. Measures included teacher and parent ratings of social skills and adjustment and parent ratings of family functioning. The findings showed that social skills and psychological adjustment as rated by both parents and teachers were primarily associated with academic functioning. In addition, family cohesiveness was found to account for nearly one third of the variance in survivors' adjustment when rated by teachers, and length of time off treatment accounted for a significant percentage of the variance in children's adjustment when rated by parents. The findings underscore the importance of a multi-informant approach to the assessment of psychological adjustment of pediatric cancer survivors and demonstrate the role of learning difficulties and family functioning in influencing social skills and adjustment for these children and adolescents.

Adaptation, Psychological↗
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Predictors of affective responses of mothers and fathers of children with cancer.

We investigated predictors of affective responses for 125 parents (77 mothers, 48 fathers) of children with various types of cancer who varied in time of diagnosis from newly diagnosed to 13 years following cancer treatment. The primary rationale of the investigation was to determine whether cognitive appraisals, perceived social supports, and caregivers' perceptions of children's behavior would predict affective responses differentially for mothers and fathers. We defined affectivity as self-reported depressive symptoms, and state and trait anxiety symptoms. Parents did not differ on any of the variables, including affective responses, although differential predictors of affective responses were revealed for mothers and fathers. Affiliation-related attributions were associated with affective responses for mothers, and achievement-related attributions and perceived social support were associated with affective responses for fathers.

Adaptation, Psychological↗
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Castleman's disease of the left triceps in a child suspected to be a small round cell tumor of childhood.

Castleman's disease (CD) is histologically characterized by a proliferation of polyclonal small lymphocytes and plasma cells. The clinical presentation varies widely, but most commonly manifests as a solitary mediastinal mass, incidentally found on radiographic examination. We present a case of a 10-year-old girl who exhibited a left arm mass which, preoperatively and on frozen section, was diagnosed as a small round cell tumor of childhood (SRCT). This report emphasizes the unusual location of CD in the soft tissue and as a rare entity to be considered in the differential diagnosis of SRCT.

Arm↗
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Effects of prenatal alcohol exposure at school age. I. Physical and cognitive development.

Alcohol is a potent teratogen associated with dysmorphology, growth retardation, and neurological damage in children with the full fetal alcohol syndrome (FAS); alcohol is also associated with growth retardation and behavioral alterations in neonates prenatally exposed to various dosages. Questions remain about the long-term consequences of prenatal alcohol exposure. This study reports on the follow-up of a subsample of 68 children, the majority of whom were low income and black (mean age: 5 years, 10 months) who were first evaluated as neonates. Physical and cognitive outcomes of 25 children of women who drank throughout pregnancy [absolute alcohol (AA)/week: mean = 11.80 oz), even after receiving an educational intervention to stop drinking, were compared with outcomes of children in two contrast groups: a) women (n = 22) who stopped drinking (AA/week: mean = 11.46 oz) in the second trimester after an educational intervention but resumed postpartum; and b) women who did not drink during pregnancy and who drank little postnatally (n = 21). Children were compared for alcohol-related birth defects (ARBDs), growth (height, weight, and head circumference), and cognitive, academic, and adaptive measures. Neonatal and current physical measures were correlated to determine predictability of neonatal status. When the effects of age and gender were controlled, children in the continued-to-drink group showed significantly more ARBDs and had smaller head circumferences than those in the other two groups. When current drinking reported by caretakers was controlled, the children who were exposed throughout pregnancy also showed significant and consistent deficits in several areas of intellectual functioning including sequential processing (short-term memory and encoding) and overall mental processing. Alcohol-exposed children displayed significant deficits in preacademic skills when compared with children of nondrinkers, with both alcohol groups deficient in premath and reading skills. There were no differences in adaptive behavior at follow-up. These data suggest that alcohol exposure throughout pregnancy is correlated with persistent physical differences as well as identifiable deficits in sequential memory processes and specific academic skills. However, even when alcohol use is limited to the first part of pregnancy, significant deficits in academic skills and growth parameters are measurable.

Adult↗
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Effects of prenatal alcohol exposure at school age. II. Attention and behavior.

Alcohol, a potent teratogen, has been suggested as an etiologic agent in attention deficit disorder with hyperactivity (ADHD), which is often diagnosed in children with fetal alcohol syndrome (FAS) and in children of alcoholics. We studied attentional and behavioral factors associated with diagnosis of this disorder in children selected from a predominantly low-income, black population who were tested as part of a longitudinal follow-up of children with prenatal alcohol exposure. Sixty-eight children with a mean age of 5 years 10 months, born to three groups of mothers, were assessed. These groups consisted of: a) women who reported not drinking during pregnancy (n = 21), b) women who reported drinking throughout pregnancy (n = 25), and c) women who reported drinking an equivalent amount but who stopped drinking after educational intervention during the second trimester (n = 22). Dimensions assessed included factors related to attention on a computerized task, impulsivity, and the presence of psychiatrically significant internalizing and externalizing behaviors. In addition, free play and mother-child interactions were video-taped, and evidence of overactive and noncompliant behaviors were noted. Hyperactivity and impulsive behavior were not evident. Results indicated that children exposed throughout pregnancy showed deficits in the ability to sustain attention and were more often described by teachers, although not by their mothers, as showing attentional and behavioral problems. Problems in both internalizing and externalizing behaviors also were noted by teachers. However, when current drinking was controlled, only externalizing behaviors remained different by group.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
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Adolescent cancer survivors. Psychosocial and familial adaptation.

Adolescent cancer survivors were compared with nondiseased control subjects on measures of adaptation, coping, body image, sexual adjustment, psychopathology, and family functioning. Cancer survivors reported no major difficulties in social competence, overall coping, and family communication. Although their school teachers reported no symptoms of psychopathology, the cancer survivors did report body image disturbances and adjustment difficulties. Further, the surviving adolescents were eager to present themselves favorably. Compared with nondiseased control families, families of survivors were characterized as somewhat inflexible. Implications for clinical practice include the careful monitoring of youth who have survived cancer as well as sensitivity to underlying concerns that the survivors and their families may avoid.

Adaptation, Psychological↗
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Neurocognitive functioning and magnetic resonance imaging in children with sickle cell disease.

OBJECTIVE: To examine neurocognitive functioning in children classified with overt cerebral vascular accidents (CVAs), silent infarcts, or without central nervous system (CNS) pathology on magnetic resonance imaging. METHODS: Participants were 63 children and adolescents with sickle cell disease (SCD). RESULTS: Children with overt CVAs and silent infarcts differed from their peers without CNS pathology on measures of attention and executive functioning. CONCLUSIONS: We consider these deficits the result of the high frequency of frontal lobe deficits incurred by children with SCD. Recommendations include the use of tests designed to measure attention and executive functioning as a way of screening children with SCD for possible CNS pathology. We also suggest that future research examine the mechanism underlying frontal lobe involvement for individuals with SCD.

Adolescent↗
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Social information processing and magnetic resonance imaging in children with sickle cell disease.

OBJECTIVE: To examine social information processing, social skills, and adjustment difficulties in children with sickle cell disease (SCD) as rated by caregivers, teachers, and the children themselves. Children were classified in two groups: cerebral vascular accidents (CVA) (n = 21) or without central nervous system (CNS) pathology (n = 20) on magnetic resonance imaging (MRI). Both groups had HbSS SCD. We compared these two groups and a third group of 11 children who had a milder type of SCD (HbSC). METHODS: Participants referred for evaluation of learning and behavior problems were administered MRIs to ascertain the presence of pathology and a series of measures designed to assess nonverbal emotional decoding abilities and ratings of social emotional functioning. RESULTS: Children with CVA displayed more errors on tasks of facial and vocal emotional decoding than did comparison controls without CVA. CONCLUSIONS: Acquired neurological impairments in children with SCD seemed to be associated with difficulties in the decoding of emotions of other children and adults. We recommend that future research integrate neuropsychological and psychosocial research programs for pediatric chronic illness groups.

Adaptation, Psychological↗
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Predictors of coping with pain in mothers and their children with sickle cell syndrome.

OBJECTIVE: This study examined predictors of strategies used to cope with pain in children with sickle cell disease and their mothers. METHOD: Disease severity, socioeconomic status, child adjustment and adaptive behavior, maternal psychopathology, and family functioning were examined in 55 mother-child dyads to determine the predictive potential of these factors on engagement and disengagement coping. RESULTS: While controlling for socioeconomic status and psychopathology in the mothers, 15% of the variance in engagement coping was predicted by family adaptability. Disengagement coping was predicted by internalizing symptoms exhibited by the child, including a negative and pessimistic attributional style, which accounted for nearly one fifth of the variance. Finally, mothers who reported more active strategies for coping with their child's pain were more likely to endorse greater use of techniques to prevent and effectively manage pain in their children. CONCLUSIONS: Neither coping strategy was predicted by severity of disease presentation in the children, suggesting the importance of psychosocial factors in adapting to childhood chronic illness and that severity of disease may not necessarily be a marker for families at risk for adjustment difficulties. Findings were interpreted to support a systemic family model in promoting active and adaptive engagement coping in caretakers of children with sickle cell syndrome.

Adaptation, Psychological↗