Articles

Route knowledge and configural knowledge in typical and atypical development: a comparison of sparse and rich environments

Individuals with Down syndrome (DS) and individuals with Williams syndrome (WS) have poor navigation skills, which impact their potential to become independent. Two aspects of navigation were investigated in t...

Authors: Emily K. Farran, Harry R. M. Purser, Yannick Courbois, Marine Ballé, Pascal Sockeel, Daniel Mellier and Mark Blades

Mavoglurant in adolescents with fragile X syndrome: analysis of Clinical Global Impression-Improvement source data from a double-blind therapeutic study followed by an open-label, long-term extension study

A phase II randomized, placebo-controlled, double-blind study and subsequent open-label extension study evaluated the efficacy, safety, and tolerability of mavoglurant (AFQ056), a selective metabotropic glutam...

Authors: Donald B. Bailey Jr., Elizabeth Berry-Kravis, Anne Wheeler, Melissa Raspa, Florence Merrien, Javier Ricart, Barbara Koumaras, Gerd Rosenkranz, Mark Tomlinson, Florian von Raison and George Apostol

Associations between physical growth and general cognitive functioning in international adoptees from Eastern Europe at 30 months post-arrival

Internationally adopted children have often experienced early adversity and growth suppression as a consequence of institutional care. Furthermore, these children are at risk for impaired cognitive development...

Authors: Maria G. Kroupina, Judith K. Eckerle, Anita J. Fuglestad, Liza Toemen, Stephanie Moberg, John H. Himes, Bradley S. Miller, Anna Petryk and Dana E. Johnson

Complete or partial reduction of the Met receptor tyrosine kinase in distinct circuits differentially impacts mouse behavior

Our laboratory discovered that the gene encoding the receptor tyrosine kinase, MET, contributes to autism risk. Expression of MET is reduced in human postmortem temporal lobe in autism and Rett Syndrome. Subseque...

Authors: Barbara L. Thompson and Pat Levitt

Sensory modulation disorders in childhood epilepsy

Altered sensory sensitivity is generally linked to seizure-susceptibility in childhood epilepsy but may also be associated to the highly prevalent problems in behavioral adaptation. This association is further...

Authors: Jolien S. van Campen, Floor E. Jansen, Nienke J. Kleinrensink, Marian Joëls, Kees PJ Braun and Hilgo Bruining

Cerebral volumetric abnormalities in Neurofibromatosis type 1: associations with parent ratings of social and attention problems, executive dysfunction, and autistic mannerisms

Neurofibromatosis type 1 (NF1) is a single-gene neurodevelopmental disorder, in which social and cognitive problems are highly prevalent. Several commonly observed central nervous system (CNS) abnormalities in...

Authors: Stephan CJ Huijbregts, Marisa Loitfelder, Serge A Rombouts, Hanna Swaab, Berit M Verbist, Enrico B Arkink, Mark A Van Buchem and Ilya M Veer

Autism diagnosis differentiates neurophysiological responses to faces in adults with tuberous sclerosis complex

Autism spectrum disorder (ASD) is a common and highly heritable neurodevelopmental disorder that is likely to be the outcome of complex aetiological mechanisms. One strategy to provide insight is to study ASD ...

Authors: Charlotte Tye, Teresa Farroni, Ágnes Volein, Evelyne Mercure, Leslie Tucker, Mark H. Johnson and Patrick F. Bolton

Anxiety-like behavior in Rett syndrome: characteristics and assessment by anxiety scales

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 comm...

Authors: Katherine V. Barnes, Francesca R. Coughlin, Heather M. O’Leary, Natalie Bruck, Grace A. Bazin, Emily B. Beinecke, Alexandra C. Walco, Nicole G. Cantwell and Walter E. Kaufmann

Actigraphic investigation of circadian rhythm functioning and activity levels in children with mucopolysaccharidosis type III (Sanfilippo syndrome)

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 fu...

Authors: Rachel A. Mumford, Louise V. Mahon, Simon Jones, Brian Bigger, Maria Canal and Dougal Julian Hare

High rates of parkinsonism in adults with autism

While it is now recognized that autism spectrum disorder (ASD) is typically a life-long condition, there exist only a handful of systematic studies on middle-aged and older adults with this condition.

Authors: Sergio Starkstein, Scott Gellar, Morgan Parlier, Leslie Payne and Joseph Piven

Speech motor planning and execution deficits in early childhood stuttering

Five to eight percent of preschool children develop stuttering, a speech disorder with clearly observable, hallmark symptoms: sound repetitions, prolongations, and blocks. While the speech motor processes unde...

Authors: Bridget Walsh, Kathleen Marie Mettel and Anne Smith

Neural systems mediating processing of sound units of language distinguish recovery versus persistence in stuttering

Developmental stuttering is a multi-factorial disorder. Measures of neural activity while children processed the phonological (language sound unit) properties of words have revealed neurodevelopmental differen...

Authors: Ranjini Mohan and Christine Weber

Altered modulation of gamma oscillation frequency by speed of visual motion in children with autism spectrum disorders

Recent studies link autism spectrum disorders (ASD) with an altered balance between excitation and inhibition (E/I balance) in cortical networks. The brain oscillations in high gamma-band (50–120 Hz) are sensi...

Authors: Tatiana A. Stroganova, Anna V. Butorina, Olga V. Sysoeva, Andrey O. Prokofyev, Anastasia Yu. Nikolaeva, Marina M. Tsetlin and Elena V. Orekhova

CNTN6 copy number variations in 14 patients: a possible candidate gene for neurodevelopmental and neuropsychiatric disorders

Neurodevelopmental disorders are impairments of brain function that affect emotion, learning, and memory. Copy number variations of contactin genes (CNTNs), including CNTN3, CNTN4, CNTN5, and CNTN6, have been sug...

Authors: Jie Hu, Jun Liao, Malini Sathanoori, Sally Kochmar, Jessica Sebastian, Svetlana A. Yatsenko and Urvashi Surti

Structural and functional connectivity in the default mode network in 22q11.2 deletion syndrome

The neural endophenotype associated with 22q11.2 deletion syndrome (22q11DS) includes deviant cortical development and alterations in brain connectivity. Resting-state functional magnetic resonance imaging (fM...

Authors: Maria Carmela Padula, Marie Schaer, Elisa Scariati, Maude Schneider, Dimitri Van De Ville, Martin Debbané and Stephan Eliez

Face scanning and spontaneous emotion preference in Cornelia de Lange syndrome and Rubinstein-Taybi syndrome

Existing literature suggests differences in face scanning in individuals with different socio-behavioural characteristics. Cornelia de Lange syndrome (CdLS) and Rubinstein-Taybi syndrome (RTS) are two genetica...

Authors: Hayley Crawford, Joanna Moss, Joseph P. McCleery, Giles M. Anderson and Chris Oliver

Modulation of mu attenuation to social stimuli in children and adults with 16p11.2 deletions and duplications

Copy number variations (CNV) within the recurrent ~600 kb chromosomal locus of 16p11.2 are associated with a wide range of neurodevelopmental disorders, including autism spectrum disorder (ASD). However, little i...

Authors: Caitlin M. Hudac, Anna Kresse, Benjamin Aaronson, Trent D. DesChamps, Sara Jane Webb and Raphael A. Bernier

Behavioral, cognitive, and adaptive development in infants with autism spectrum disorder in the first 2 years of life

To delineate the early progression of autism spectrum disorder (ASD) symptoms, this study investigated developmental characteristics of infants at high familial risk for ASD (HR), and infants at low risk (LR).

Authors: Annette Estes, Lonnie Zwaigenbaum, Hongbin Gu, Tanya St. John, Sarah Paterson, Jed T. Elison, Heather Hazlett, Kelly Botteron, Stephen R. Dager, Robert T. Schultz, Penelope Kostopoulos, Alan Evans, Geraldine Dawson, Jordana Eliason, Shanna Alvarez and Joseph Piven

A 13-year follow-up of Finnish patients with Salla disease

Salla disease (SD) is a rare lysosomal storage disorder leading to severe intellectual disability. SD belongs to the Finnish disease heritage, and it is caused by mutations in the SLC17A5 gene. The aim of the stu...

Authors: Liisa E. Paavola, Anne M. Remes, Marika J. Harila, Tarja T. Varho, Tapio T. Korhonen and Kari Majamaa

Comparative mapping of the 22q11.2 deletion region and the potential of simple model organisms

22q11.2 deletion syndrome (22q11.2DS) is the most common micro-deletion syndrome. The associated 22q11.2 deletion conveys the strongest known molecular risk for schizophrenia. Neurodevelopmental phenotypes, in...

Authors: Alina Guna, Nancy J. Butcher and Anne S. Bassett

Memory in language-impaired children with and without autism

A subgroup of young children with autism spectrum disorders (ASD) have significant language impairments (phonology, grammar, vocabulary), although such impairments are not considered to be core symptoms of and...

Authors: Alison Presmanes Hill, Jan van Santen, Kyle Gorman, Beth Hoover Langhorst and Eric Fombonne

The perinatal androgen to estrogen ratio and autistic-like traits in the general population: a longitudinal pregnancy cohort study

Prenatal androgen exposure has been hypothesized to be linked to autism spectrum disorder (ASD). While previous studies have found a link between testosterone levels in amniotic fluid and autistic-like traits,...

Authors: Esha S. L. Jamnadass, Jeffrey A. Keelan, Lauren P. Hollier, Martha Hickey, Murray T. Maybery and Andrew J. O. Whitehouse

Violence: heightened brain attentional network response is selectively muted in Down syndrome

The ability to recognize and respond appropriately to threat is critical to survival, and the neural substrates subserving attention to threat may be probed using depictions of media violence. Whether neural r...

Authors: Jeffrey S. Anderson, Scott M. Treiman, Michael A. Ferguson, Jared A. Nielsen, Jamie O. Edgin, Li Dai, Guido Gerig and Julie R. Korenberg

Erratum: Parental phonological memory contributes to prediction of outcome of late talkers from 20 months to 4 years: a longitudinal study of precursors of specific language impairment

Authors: Dorothy VM Bishop, Georgina Holt, Elizabeth Line, David McDonald, Sarah McDonald and Helen Watt

Sexually dimorphic facial features vary according to level of autistic-like traits in the general population

In a recent study, Bejerot et al. observed that several physical features (including faces) of individuals with an autism spectrum disorder (ASD) were more androgynous than those of their typically developed coun...

Authors: Syed Zulqarnain Gilani, Diana Weiting Tan, Suzanna N Russell-Smith, Murray T Maybery, Ajmal Mian, Peter R Eastwood, Faisal Shafait, Mithran Goonewardene and Andrew JO Whitehouse

Erratum: Emerging topics in FXTAS

Authors: Deborah A Hall, Rachael C Birch, Mathieu Anheim, Aia E Jønch, Elizabeth Pintado, Joan A O’Keefe, Julian N Trollor, Glenn T Stebbins, Randi J Hagerman, Stanley Fahn, Elizabeth Berry-Kravis and Maureen A Leehey

Neural mechanisms of negative reinforcement in children and adolescents with autism spectrum disorders

Previous research has found accumulating evidence for atypical reward processing in autism spectrum disorders (ASD), particularly in the context of social rewards. Yet, this line of research has focused largel...

Authors: Cara R Damiano, Dillon C Cockrell, Kaitlyn Dunlap, Eleanor K Hanna, Stephanie Miller, Joshua Bizzell, Megan Kovac, Lauren Turner-Brown, John Sideris, Jessica Kinard and Gabriel S Dichter

A national survey of Rett syndrome: behavioural characteristics

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 g...

Authors: Rina Cianfaglione, Angus Clarke, Michael Kerr, Richard P Hastings, Chris Oliver, Jo Moss, Mary Heald and David Felce

Visual search for feature conjunctions: an fMRI study comparing alcohol-related neurodevelopmental disorder (ARND) to ADHD

Alcohol-related neurodevelopmental disorder (ARND) falls under the umbrella of fetal alcohol spectrum disorder (FASD). Diagnosis of ARND is difficult because individuals do not demonstrate the characteristic f...

Authors: Carrie R O’Conaill, Krisztina L Malisza, Joan L Buss, R Bruce Bolster, Christine Clancy, Patricia Dreessen de Gervai, Albert E Chudley and Sally Longstaffe

Psychiatric disorders in adolescents and young adults with Down syndrome and other intellectual disabilities

Relative to other aspects of Down syndrome, remarkably little is known about the psychiatric problems experienced by youth and young adults with this syndrome and if these problems differ from others with inte...

Authors: Elisabeth M Dykens, Bhavik Shah, Bruce Davis, Courtney Baker, Taylor Fife and Jeri Fitzpatrick

Psychopathology and cognitive performance in individuals with membrane-associated guanylate kinase mutations: a functional network phenotyping study

Rare pathogenic variants in membrane-associated guanylate kinase (MAGUK) genes cause intellectual disability (ID) and have recently been associated with neuropsychiatric risk in the non-ID population. However,...

Authors: Kate Baker, Gaia Scerif, Duncan E Astle, Paul C Fletcher and F Lucy Raymond

Journal of Neurodevelopmental Disorders reviewer acknowledgement 2014

We thank all of our reviewers who have contributed to the journal in volume 6 (2014). High quality and timely reviews are critical to the overall quality of the journal. We are committed to providing a unique ...

Authors: Joseph Piven

Learning by observation and learning by doing in Prader-Willi syndrome

New competencies may be learned through active experience (learning by doing) or observation of others’ experience (learning by observation). Observing another person performing a complex action accelerates th...

Authors: Francesca Foti, Deny Menghini, Enzo Orlandi, Cristina Rufini, Antonino Crinò, Sabrina Spera, Stefano Vicari, Laura Petrosini and Laura Mandolesi

Neurodevelopment for syntactic processing distinguishes childhood stuttering recovery versus persistence

Characterized by the presence of involuntary speech disfluencies, developmental stuttering is a neurodevelopmental disorder of atypical speech-motor coordination. Although the etiology of stuttering is multifa...

Authors: Evan Usler and Christine Weber-Fox

Patterns of autism spectrum symptomatology in individuals with Down syndrome without comorbid autism spectrum disorder

Prevalence estimates of autism spectrum disorder (ASD) in Down syndrome (DS) are highly varied. This variation is partly due to the difficulty of screening for and diagnosing comorbid ASD in individuals with a...

Authors: Marie Moore Channell, B Allyson Phillips, Susan J Loveall, Frances A Conners, Paige M Bussanich and Laura Grofer Klinger

A multidisciplinary approach unravels early and persistent effects of X-ray exposure at the onset of prenatal neurogenesis

In humans, in utero exposure to ionising radiation results in an increased prevalence of neurological aberrations, such as small head size, mental retardation and decreased IQ levels. Yet, the association between...

Authors: Tine Verreet, Roel Quintens, Debby Van Dam, Mieke Verslegers, Mirella Tanori, Arianna Casciati, Mieke Neefs, Liselotte Leysen, Arlette Michaux, Ann Janssen, Emiliano D’Agostino, Greetje Vande Velde, Sarah Baatout, Lieve Moons, Simonetta Pazzaglia, Anna Saran…

There is variability in the attainment of developmental milestones in the CDKL5 disorder

Individuals with the CDKL5 disorder have been described as having severely impaired development. A few individuals have been reported having attained more milestones including walking and running. Our aim was ...

Authors: Stephanie Fehr, Helen Leonard, Gladys Ho, Simon Williams, Nick de Klerk, David Forbes, John Christodoulou and Jenny Downs

An fMRI study of facial emotion processing in children and adolescents with 22q11.2 deletion syndrome

22q11.2 deletion syndrome (22q11DS, velo-cardio-facial syndrome [VCFS]) is a genetic disorder associated with interstitial deletions of chromosome 22q11.2. In addition to high rates of neuropsychiatric disorde...

Authors: Rayna Azuma, Quinton Deeley, Linda E Campbell, Eileen M Daly, Vincent Giampietro, Michael J Brammer, Kieran C Murphy and Declan GM Murphy

An investigation of the middle and late behavioural phenotypes of Mucopolysaccharidosis Type-III

Mucopolysaccharidosis type-III (MPS III) is an autosomal recessive lysosomal storage disorder. It causes progressive physical and cognitive decline and has been linked to increased incidences of behavioural pr...

Authors: Elaine M Cross, Sheena Grant, Simon Jones, Brian W Bigger, James E Wraith, Louise V Mahon, Michelle Lomax and Dougal J Hare

A cross-sectional analysis of orienting of visuospatial attention in child and adult carriers of the fragile X premutation

Fragile X premutation carriers (fXPCs) have an expansion of 55–200 CGG repeats in the FMR1 gene. Male fXPCs are at risk for developing a neurodegenerative motor disorder (fragile X-associated tremor/ataxia syndro...

Authors: Ling M Wong, Naomi J Goodrich-Hunsaker, Yingratana A McLennan, Flora Tassone, Susan M Rivera and Tony J Simon

The relationship between sleep and behavior in autism spectrum disorder (ASD): a review

Although there is evidence that significant sleep problems are common in children with autism spectrum disorder (ASD) and that poor sleep exacerbates problematic daytime behavior, such relationships have recei...

Authors: Simonne Cohen, Russell Conduit, Steven W Lockley, Shantha MW Rajaratnam and Kim M Cornish

Event-related potentials to repeated speech in 9-month-old infants at risk for autism spectrum disorder

Atypical neural responses to repeated auditory and linguistic stimuli have been reported both in individuals with autism spectrum disorder (ASD) and their first-degree relatives. Recent work suggests that the ...

Authors: Anne Seery, Helen Tager-Flusberg and Charles A Nelson

Hippocampal glutamate-glutamine (Glx) in adults with Down syndrome: a preliminary study using in vivo proton magnetic resonance spectroscopy (¹H MRS)

Down syndrome (DS), or trisomy 21, is one of the most common autosomal mutations. People with DS have intellectual disability (ID) and are at significantly increased risk of developing Alzheimer’s disease (AD)...

Authors: Giles MY Tan, Felix Beacher, Eileen Daly, Jamie Horder, Verinder Prasher, Maria-Luisa Hanney, Robin Morris, Simon Lovestone, Kieran C Murphy, Andrew Simmons and Declan GM Murphy

Social (pragmatic) communication disorder: a research review of this new DSM-5 diagnostic category

Social (pragmatic) communication disorder (SCD) is a new diagnostic category in the Diagnostic and Statistical Manual of Mental Disorders, fifth edition (DSM-5). The purpose of this review is to describe and s...

Authors: Lauren B Swineford, Audrey Thurm, Gillian Baird, Amy M Wetherby and Susan Swedo

EEG hyper-connectivity in high-risk infants is associated with later autism

It has been previously reported that structural and functional brain connectivity in individuals with autism spectrum disorders (ASD) is atypical and may vary with age. However, to date, no measures of functio...

Authors: Elena V Orekhova, Mayada Elsabbagh, Emily JH Jones, Geraldine Dawson, Tony Charman and Mark H Johnson

Phelan-McDermid syndrome: a review of the literature and practice parameters for medical assessment and monitoring

Autism spectrum disorder (ASD) and intellectual disability (ID) can be caused by mutations in a large number of genes. One example is SHANK3 on the terminal end of chromosome 22q. Loss of one functional copy of S...

Authors: Alexander Kolevzon, Benjamin Angarita, Lauren Bush, A Ting Wang, Yitzchak Frank, Amy Yang, Robert Rapaport, Jeffrey Saland, Shubhika Srivastava, Cristina Farrell, Lisa J Edelmann and Joseph D Buxbaum

Pre-pulse inhibition and antisaccade performance indicate impaired attention modulation of cognitive inhibition in 22q11.2 deletion syndrome (22q11DS)

22q11.2 deletion syndrome (22q11DS) is associated with a number of physical anomalies and neuropsychological deficits including impairments in executive and sensorimotor function. It is estimated that 25% of c...

Authors: Kathryn Louise McCabe, Rebbekah Josephine Atkinson, Gavin Cooper, Jessica Lauren Melville, Jill Harris, Ulrich Schall, Carmel Maree Loughland, Renate Thienel and Linda Elisabet Campbell

Enhanced parietal cortex activation during location detection in children with autism

Visuospatial processing has been found to be mediated primarily by two cortical routes, one of which is unique to recognizing objects (occipital-temporal, ventral or “what” pathway) and the other to detecting ...

Authors: Thomas P DeRamus, Briley S Black, Mark R Pennick and Rajesh K Kana

PreImplantation factor (PIF*) promotes embryotrophic and neuroprotective decidual genes: effect negated by epidermal growth factor

Intimate embryo-maternal interaction is paramount for pregnancy success post-implantation. The embryo follows a specific developmental timeline starting with neural system, dependent on endogenous and decidual...

Authors: Christina M Duzyj, Michael J Paidas, Lellean Jebailey, Jing Shun Huang and Eytan R Barnea

Examining the relationship between face processing and social interaction behavior in children with and without autism spectrum disorder

Children with autism spectrum disorder (ASD) show impairment in reciprocal social communication, which includes deficits in social cognition and behavior. Since social cognition and social behavior are conside...

Authors: Blythe A Corbett, Cassandra Newsom, Alexandra P Key, Lydia R Qualls and E Kale Edmiston