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Facon, Bruno; Magis, David – American Journal on Intellectual and Developmental Disabilities, 2019
Uncertainty persists regarding the post-childhood trajectory of syntactic acquisition of persons with Down syndrome (DS). In some studies, asymptote is reached in the early teens, whereas others find syntax continuing to develop at least into early adulthood. This study addressed the issue using a cross-sectional approach. Receptive syntax and…
Descriptors: Syntax, Comprehension, Down Syndrome, Vocabulary
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Esbensen, Anna J.; Hoffman, Emily K.; Shaffer, Rebecca; Chen, Elizabeth; Patel, Lina; Jacola, Lisa – American Journal on Intellectual and Developmental Disabilities, 2019
The current study evaluates the psychometric properties of the Behavior Rating Inventory of Executive Function (BRIEF) with children with Down syndrome. Caregivers of 84 children with Down syndrome rated their child's behavior with the BRIEF. Teacher ratings were obtained for 57 children. About 40% of children with Down syndrome were reported by…
Descriptors: Executive Function, Children, Down Syndrome, Behavior Rating Scales
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Faught, Gayle G.; Conners, Frances A. – American Journal on Intellectual and Developmental Disabilities, 2019
Sustained attention (SA) and short-term memory (STM) contribute to language function in Down syndrome (DS). We proposed models in which relations of SA to language in DS are mediated by STM. Thirty-seven youth with DS aged 10-22 years (M = 15.59) completed SA, STM, and language tasks. Cross-sectional mediation analyses were run with the…
Descriptors: Models, Correlation, Attention, Short Term Memory
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Joyce, Anna; Hill, Catherine M.; Karmiloff-Smith, Annette; Dimitriou, Dagmara – American Journal on Intellectual and Developmental Disabilities, 2019
Sleep plays a key role in the consolidation of newly acquired information and skills into long term memory. Children with Down syndrome (DS) and Williams syndrome (WS) frequently experience sleep problems, abnormal sleep architecture, and difficulties with learning; thus, we predicted that children from these clinical populations would demonstrate…
Descriptors: Sleep, Cognitive Processes, Down Syndrome, Genetic Disorders
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Jones, Harrison N.; Crisp, Kelly D.; Kuchibhatla, Maragatha; Mahler, Leslie; Risoli, Thomas, Jr.; Jones, Carlee W.; Kishnani, Priya – American Journal on Intellectual and Developmental Disabilities, 2019
Speech disorders occur commonly in individuals with Down syndrome (DS), although data regarding the auditory-perceptual speech features are limited. This descriptive study assessed 47 perceptual speech features during connected speech samples in 26 children with DS. The most severely affected speech features were: naturalness, imprecise…
Descriptors: Speech Impairments, Down Syndrome, Children, Speech Skills
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Smith, Elizabeth; Hedge, Craig; Jarrold, Christopher – American Journal on Intellectual and Developmental Disabilities, 2019
Executive function (EF) decline is a consistent early sign of Alzheimer's disease (AD) among adults with Down syndrome (DS), which means that baseline measures of EF for individuals with DS are vital to allow detection of meaningful decline. We developed a framework to extract measures of three core components of EF (memory updating, inhibitory,…
Descriptors: Executive Function, Down Syndrome, Identification, Clinical Diagnosis
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Dieleman, Lisa M.; De Pauw, Sarah S. W.; Soenens, Bart; Van Hove, Geert; Prinzie, Peter – American Journal on Intellectual and Developmental Disabilities, 2018
This study aimed to describe problem behaviors and psychosocial strengths, examine the problem-strength interrelations, and evaluate profiles of problems and strengths in youth with Down syndrome (DS). The community-based sample consisted of 67 parents of children with DS aged between 4 and 19 years. Parents reported about the developmental age…
Descriptors: Down Syndrome, Behavior Problems, Child Behavior, Children
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Rosser, Tracie C.; Edgin, Jamie O.; Capone, George T.; Hamilton, Debra R.; Allen, Emily G.; Dooley, Kenneth J.; Anand, Payal; Strang, John F.; Armour, A. Chelsea; Frank-Crawford, Michelle A.; Moore Channell, Marie; Pierpont, Elizabeth I.; Feingold, Eleanor; Maslen, Cheryl L.; Reeves, Roger H.; Sherman, Stephanie L. – American Journal on Intellectual and Developmental Disabilities, 2018
The cause of the high degree of variability in cognition and behavior among individuals with Down syndrome (DS) is unknown. We hypothesized that birth defects requiring surgery in the first years of life (congenital heart defects and gastrointestinal defects) might affect an individual's level of function. We used data from the first 234…
Descriptors: Youth, Down Syndrome, Correlation, Congenital Impairments
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Schoufour, Josje D.; Oppewal, Alyt; van der Maarl, Hanne J. K.; Hermans, Heidi; Evenhuis, Heleen M.; Hilgenkamp, Thessa I. M.; Festen, Dederieke A. – American Journal on Intellectual and Developmental Disabilities, 2018
We studied the association between multimorbidity, polypharmacy, and mortality in 1,050 older adults (50+) with intellectual disability (ID). Multimorbidity (presence of = 4 chronic health conditions) and polypharmacy (presence = 5 chronic medication prescriptions) were collected at baseline. Multimorbidity included a wide range of disorders,…
Descriptors: Correlation, Older Adults, Intellectual Disability, Chronic Illness
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Oppewal, Alyt; Schoufour, Josje D.; van der Maarl, Hanne J. K.; Evenhuis, Heleen M.; Hilgenkamp, Thessa I. M.; Festen, Dederieke A. – American Journal on Intellectual and Developmental Disabilities, 2018
We aim to provide insight into the cause-specific mortality of older adults with intellectual disability (ID), with and without Down syndrome (DS), and compare this to the general population. Immediate and primary cause of death were collected through medical files of 1,050 older adults with ID, 5 years after the start of the Healthy Ageing and…
Descriptors: Older Adults, Intellectual Disability, Diseases, Aging (Individuals)
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Conners, Frances A.; Tungate, Andrew S.; Abbeduto, Leonard; Merrill, Edward C.; Faught, Gayle G. – American Journal on Intellectual and Developmental Disabilities, 2018
Forty-two adolescents with Down syndrome (DS) ages 10 to 21 years completed a battery of language and phonological memory measures twice, 2 years apart. Individual differences were highly stable across two years. Receptive vocabulary scores improved, there was no change in receptive or expressive grammar scores, and nonword repetition scores…
Descriptors: Adolescents, Down Syndrome, Language Acquisition, Language Skill Attrition
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Goldman, Karen J.; Shulman, Cory; Burack, Jacob A. – American Journal on Intellectual and Developmental Disabilities, 2018
The focus of this study was the ability of adolescents and young adults with Down syndrome to infer meaning from facial expressions in the absence of emotion labels and use this inference in order to adjust their behavior. Participants with Down syndrome (N = 19, mean nonverbal mental age of 5.8 years) and 4- to 7-year-old typically developing…
Descriptors: Adolescents, Young Adults, Down Syndrome, Nonverbal Communication
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Cebula, Katie R.; Wishart, Jennifer G.; Willis, Diane S.; Pitcairn, Tom K. – American Journal on Intellectual and Developmental Disabilities, 2017
Some children with Down syndrome may experience difficulties in recognizing facial emotions, particularly fear, but it is not clear why, nor how such skills can best be facilitated. Using a photo-matching task, emotion recognition was tested in children with Down syndrome, children with nonspecific intellectual disability and cognitively matched,…
Descriptors: Down Syndrome, Children, Emotional Response, Photography
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Lee, Michelle; Bush, Lauren; Martin, Gary E.; Barstein, Jamie; Maltman, Nell; Klusek, Jessica; Losh, Molly – American Journal on Intellectual and Developmental Disabilities, 2017
This longitudinal study examined pragmatic language in boys and girls with Down syndrome (DS) at up to three time points, using parent report, standardized and direct assessments. We also explored relationships among theory of mind, executive function, nonverbal mental age, receptive and expressive vocabulary, grammatical complexity, and pragmatic…
Descriptors: Down Syndrome, Children, Language Skills, Pragmatics
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Finestack, Lizbeth; O'Brien, Katy H.; Hyppa-Martin, Jolene; Lyrek, Kristen A. – American Journal on Intellectual and Developmental Disabilities, 2017
The purpose of this study was to evaluate the feasibility of an intervention focused on improving personal narrative skills of school-age children with Down syndrome (DS) using an approach involving visual supports. Four females with DS, ages 10 through 15 years, participated in this multiple baseline across participants single-subject…
Descriptors: Personal Narratives, Language Skills, Intervention, Children
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