Browse Items (167 total)

Friedreich Ataxia (FRDA) is the commonest inherited ataxia. Clinical trials of pharmaceuticals are increasingly being conducted in this condition. This requires the most accurate outcome measures to enable trials to be conducted with a minimum number…

Background Psychological tests can be useful to record adaptive and maladaptive behaviours of children with intellectual disability. The objective of this study was to describe the adaptive and maladaptive behaviour of children and adolescents with…

As part of a wider study to investigate the behavioral phenotype of a national sample of girls and women with Rett syndrome (RTT) in comparison to a well-chosen contrast group and its relationship to parental well-being, the development, clinical…

BACKGROUND: The aim was to gain a UK national sample of people with Rett syndrome (RTT) across the age range and compare their characteristics using a variety of relevant behavioural measures with a well-chosen contrast group. METHODS: The achieved…

OBJECTIVE: Smith-Lemli-Opitz syndrome (SLOS) is a rare genetic disorder characterized by cholesterol synthesis impairment. A host of physical, developmental, and behavioral presentations are associated with SLOS, many of which have been related with…

The present study aimed to increase the knowledge about Wolf-Hirschhorn syndrome (WHS), especially concerning motor function, autism spectrum disorders (ASD), and adapted behavior, but also regarding clinical symptoms in general. Motor function was…

The aim of the present study was to determine the prevalence and frequency of stereotypy, self-injurious behaviour (SIB), and aggression in children and adults with Cri du Chat syndrome (CCS), and to investigate the relationship between SIB,…

Aim: The symptoms of Huntington's disease are well known, yet the symptoms of juvenile Huntington's disease (JHD) are less established due to its rarity. The study examined a cluster of symptoms considered to be common, but under-recognized in JHD:…

Previous studies on the characteristics of disturbed sleep/wake patterns in children with the Rett syndrome have yielded inconsistent findings. In the current study, momentary time sampling procedures were used to measure the sleep/wake patterns of…

Background: Sleep disturbance is part of the behavioural phenotype of the rare genetic condition mucopolysaccharidosis (MPS) type III. A growing body of evidence suggests that underlying disturbance in circadian rhythm functioning may explain sleep…

Twenty children with cri-du-chat syndrome were assessed on the Vineland Adaptive Behavioural Scales. Strengths within rather than between the adaptive domains were identified with posthoc analyses revealing the main differences to lie within the…

Rubinstein-Taybi syndrome (RTS) is characterized by developmental delay, postnatal growth retardation, typical facial appearance, and broad thumbs and big toes. The behavioral phenotype of children with RTS has been described as friendly and having…

PubMed Central Canada (PMC Canada) provides free access to a stable and permanent online digital archive of full-text, peer-reviewed health and life sciences research publications. It builds on PubMed Central (PMC), the U.S. National Institutes of…

Background: Rett syndrome (RTT) is a severe neurodevelopmental disorder characterized by regression of language and motor skills, cognitive impairment, and frequent seizures. Although the diagnostic criteria focus on communication, motor impairments,…

AimThis cross-sectional investigation aimed to assess the value of non-invasive measures of temporal respiratory-swallow coupling in individuals with ataxic swallowing. MethodTwenty participants (11 males, 9 females; range 9-21y) with ataxia…

Sleep disturbances are prevalent in mucopolysaccharidosis Type III (MPS III), yet there is a lack of objective, ecologically valid evidence detailing sleep quantity, quality or circadian system. Eight children with MPS III and eight age-matched…

In the current study, the authors examined whether the fatigue level of children diagnosed with cri du chat syndrome was associated with the expression of autistic symptoms. Sixty-nine children with cri du chat syndrome were compared with 47 children…

BACKGROUND: Children with 22q11.2 deletion syndrome (22q11DS) are at risk for social-behavioural and neurocognitive sequelae throughout development. The current study examined the impact of family environmental characteristics on social-behavioural…

The study of selective attention and its influence on communication in patients with Rett Syndrome (RS), in which communication abilities are impaired is particularly relevant. The aim of this study was to analyse attention and communication…

This study was designed to specifically characterize the autonomic phenotype of cardiorespiratory dysregulation during the nighttime in young girls with MECP2 mutation-confirmed Rett Syndrome (RS), studied in their home environment. Computerized…

This study characterizes cardiorespiratory dysregulation in young girls with MECP2 mutation-confirmed Rett syndrome (RS). Respiratory inductance plethysmography of chest/abdomen and ECG was obtained during daytime wakefulness in 47 girls with MECP2…

Children with the 22q11.2 deletion syndrome (22q11DS) are at an increased risk of psychiatric problems from pre-adolescence; little is known, however, about behavioral problems at a preschool age and the relationship between speech and behavior in…

Behavioral problems are common in children with tuberous sclerosis complex (TSC) and can be challenging to manage at home. Standardized measures were used to assess behavior in 99 pediatric patients with TSC and to evaluate parenting stress in their…

The purpose of this study was to validate the Behavior Problem Inventory-01 (BPI-01; Rojahn J Autism Dev Disord 31:577-588, 2001) in a population of 179 individuals with Cornelia de Lange Syndrome (CdLS) and to extend the literature on the behavioral…

Self-injury is a defining feature of lesch-nyhan disease (LND) but does not occur in the less severely affected Lesch-Nyhan variants (LNV). The aim of this study was to quantify behavioral and emotional abnormalities in LND and LNV. Thirty-nine…

AIM Careful study and accurate description of behaviour are important to understand developmental challenges for individuals with Cornelia de Lange syndrome (CdLS). Here we present a systematic review of current understanding of behaviour in CdLS.…

A postal questionnaire was used to study 49 individuals with Cornelia de Lange syndrome (including both the classical and the mild forms) to ascertain behavioural phenotype. Ages ranged from early childhood to adulthood (mean age, 10.2 years; SD,…

BACKGROUND: Cornelia de Lange syndrome is associated with abnormalities on chromosomes 5, 10 and X. AIMS: To delineate the behavioural phenotype of Cornelia de Lange syndrome with specific reference to autistic-spectrum disorder. METHOD: A total of…

The mucopolysaccharide disorders (MPS) are a group of recessively inherited metabolic disorders resulting in progressive physical and cognitive decline. MEDLINE, PsycINFO and Embase databases were searched, alongside manual screening, to identify…

Overnight sleep studies were performed in 20 subjects with achondroplasia to document further the respiratory abnormalities present in this group. Somatosensory evoked potentials (SEPs) were recorded in 19 of the subjects to screen for the presence…

Rett syndrome is a rare but severe neurological disorder typically associated with a mutation in the MECP2 gene. We describe change in gross motor function over 3 to 4 years for 70 subjects participating in the Australian Rett Syndrome Database.…

Aim-To investigate breathing rhythm and brain stem autonomic control in patients with Rett disorder. Setting-Two university teaching hospitals in the United Kingdom and the Rett Centre, Sweden. Patients-56 female patients with Rett disorder, aged…

Prior studies have suggested that sleep disturbance is common in Cornelia de Lange Syndrome (CdLS); however, the nature of this sleep disturbance has not been well characterized. In this study, we evaluate the prevalence of sleep disordered breathing…
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