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2 edition of executive function and theory of mind performance of boys with fragile X syndrome found in the catalog.

executive function and theory of mind performance of boys with fragile X syndrome

Claire Garner

executive function and theory of mind performance of boys with fragile X syndrome

by Claire Garner

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  • 37 Currently reading

Published .
Written in English


Edition Notes

StatementClaire Garner.
ContributionsUniversity of Surrey. Department of Psychology.
ID Numbers
Open LibraryOL17204602M

n Fragile X Syndrome n Fragile X syndrome is the most common inher-ited cause of mental retardation in boys. It is usu-ally caused by a gene abnormality passed on from mother to son. Certain physical abnormalities and behavior problems are also present. There is no cure for fragile X syndrome. Special education and various types of therapy can. Fragile X Syndrome is caused by a gene mutation on the X chromosome (females have 2 X chromosomes and males have 1 X and 1 Y chromosome). The gene mutation causing FXS is a lengthening of the gene. Some individuals with the lengthened gene are carriers, and pass down the gene through generations.

Fragile X syndrome (FXS) and Smith-Magenis syndrome (SMS) are associated with a number of specific topographies of problem behavior. Very few studies have examined the function served by problem behavior in these groups. Using the Questions About Behavioral Function scale (Matson & Vollmer, ) the current study examined group differences in theFile Size: KB. Fragile X syndrome (FXS), an X-linked condition first described by Martin and Bell (), is the leading cause of inherited intellectual disability (ID).Estimates report that FXS affects approximately 1 in 2, to 5, men and 1 in 4, to 6, women (2, 3).FXS is caused by mutations in the FMR1 gene, which is located on the X chromosome and whose locus at Xq coincides with the folate Cited by:

Fragile X Syndrome: From Genetics to Targeted Treatment provides a structured overview of the molecular and clinical background of the disorder as well as treatment options. The book discusses the detailed molecular information on each of the pathways involved with sufficient details for all whose research touches this pathway. Fragile X Syndrome What it is A diagnosed inherited condition, caused by a 'fragile' or broken site on the X chromosome, resulting in mental and physical impairment.


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Executive function and theory of mind performance of boys with fragile X syndrome by Claire Garner Download PDF EPUB FB2

Fragile X syndrome (FXS) is the leading inherited cause intellectual disability and it is associated with a range of social, behavioral, and cognitive impairments [1, 2],[].The primary cause of FXS is the expansion of a CGG trinucleodide repeat located in the 5’ untranslated region of the X-linked FMR1 gene [1, 4].Expansions of CGG repeats or greater lead to abnormal hypermethylation of.

Theory of Mind in FXS. For the most part, theory of mind performance in FXS appears to be on par with cognitive expectations, and children with FXS score comparably to children with DS or ID of unknown etiology (Mazzocco et al., ; Garner et al., ; Cornish et al., ).Children with FXS also perform similarly on false belief theory of mind tasks to younger, non-verbal mental age Cited by: Keywords Fragile X syndrome.

Autistic spectrum disorder. Theory of mind. Inhibition. Working memory Introduction Fragile X syndrome (FXS) is a well-recognized cause of in-tellectual disability and developmental delay in males and C. Grant () Paediatric Psychology, Child Development Centre, Windsor Building, Leicester Royal Infirmary.

Males with fragile X syndrome (FXS) have difficulties with social interaction and many show autistic features. This study examined whether the social deficits characteristic of FXS are associated with theory of mind difficulties.

Two groups of boys with FXS participated: a group with few autistic features and a group with many autistic by:   Both boys and girls can be afflicted with Fragile X syndrome, however since the gene is part of the X chromosome and male genes have only one X chromosome, Fragile X syndrome affects boys more severely.

The symptoms and signs of Fragile X syndrome are not the same in everyone as there are milder and more severe cases. Fragile X At a Glance Fragile X syndrome is a condition characterized by intellectual disability and physical features, that is more common in boys than in girls although it affects both.

It is caused by a change in a gene (FMR1) on the X chromosome. The condition is characterized by mild to moderate. Executive function and theory of mind performance of boys with fragile‐X syndrome. Garner; M. Callias; J. Turk; Pages: ; First Published: 24 December ; Book Reviews. Book review.

Pages: ; First Published: 24 December ; Full. Fragile X syndrome (FXS) is a genetic disorder characterized by mild-to-moderate intellectual disability.

The average IQ in males is un while about two thirds of females are intellectually disabled. Physical features may include a long and narrow face, large ears, flexible fingers, and large testicles. About a third of those affected have features of autism such as problems with social Complications: Autism features, seizures.

To explore the relationship between theory of mind (ToM) and executive function (EF) in a sample of individuals from mainland China, 20 children with autism spectrum disorders (ASD), 26 children with Attention Deficit Hyperactivity Disorder (ADHD), and 30 normal control subjects were compared on two batteries of ToM tasks and EF tasks.

Children with ASD had a significant theory of mind Cited by: Leonard Abbeduto, MIND Institute, University of California, Davis, 50th Street, Sacramento, CAUSA e-mail:[email protected] Autism spectrum disorder (ASD) is a common comorbid condition in people with fragile X syndrome (FXS).

It has been assumed that ASD symptoms reflect the same underlying. Toileting Issues in Fragile X Syndrome. Introduction. Toilet training, which can be challenging even in the general population, is characteristically an area of stress for families with a child affected by fragile Xsyndrome (FXS).

While the vast majority of boys and girls with FXS will become toilet -trained, it is typically delayed anywhereFile Size: KB. The aim of this study was to examine executive function (EF) skills in girls with fragile X or Turner syndrome, using the Contingency Naming Test (CNT).

The CNT is a Stroop-like task involving a 1- or 2-attribute contingency rule. We predicted that girls with fragile X would make errors reflecting poor cognitive flexibility and working memory by:   Barbara Haas-Givler of Geisinger Health System.

Executive functioning (EF) is best thought of as a set of skills. This group of skills is used to organize and. Females with fragile X syndrome full mutation: May require special education supports in developing math skills.

May have challenges with visual perceptual skills, such as recalling location. May have executive function difficulties including: working memory, inhibition, and/or sustained attention. Fragile X syndrome occurs with a frequency of approximately 1 in males and 1 in females.

Affected males will exhibit moderate to severe mental retardation as well as a speech delay, hyperactivity, and behavioral and social difficulties. Fragile X syndrome results from the expansion of a CGG trinucleotide repeat in the FMR1 gene which.

Fragile X Syndrome What is Fragile X Syndrome (FXS). Fragile X Syndrome (FXS) is a genetic condition that causes intellectual disability, behavioural and learning challenges and various physical characteristics. It is also the most common single gene cause of Autism Spectrum Disorder worldwide.

The performance of 54 boys with fragile X syndrome (FXS), ages 7 to 13 years, was compared to that of a group of typically developing boys who were matched on mental age (MA) and ethnicity across.

According to The Fragile X Society () ‘Fragile X Syndrome is the most common known inherited cause of learning disabilities, affecting around 1 in males and 1 in females.

It can cause a wide range of difficulties with learning, as well as social, language, attentional, emotional, and behavioural problems’. Memory Skills of Boys With Fragile X Syndrome. and executive function in fragile X syndrome and even fewer studies that have studied the working memory performance of young boys with FXS.

Turner's syndrome (TS), a genetic disorder affecting girls, has a well‐described neurocognitive profile including difficulty with visuospatial processing and attention skills. The goal of this study was to investigate executive function and attention abilities in girls with TS. Executive skills include the ability to plan, organize, monitor, and execute multistep problem‐solving by:.

Fragile X syndrome is the most common known inherited cause of intellectual disability. The signs and symptoms of FXS vary greatly from person to person. Learning disabilities, social and behavioral problems, developmental delays, and autism are common, as are anxiety, seizures and irritability.According to recent research, the development of theory of mind is age related and a function of: a) a rich social context b) consistent scaffolding c) the zone of proximal development d) the maturation of.

Fragile X syndrome is the most common inherited form of mental retardation. Now substantially revised and updated, this acclaimed book discusses the clinical approach to diagnosing the disorder, supported by the latest research in epidemiology, molecular biology and genetics, and neuropsychology.

It also presents information on treatment: genetic counseling, pharmacotherapy, 5/5(2).