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PubMed2006

Assessing challenging behaviors in children with autism spectrum disorders: a review.

A common covarying group of behaviors with ASD are self-injury, aggression, noncompliance, and stereotypies. These problems and related challenging behaviors are problematic in that they are physically dangerous and can impede learning and access to normal activities. Additionally, they require a considerable amount of resources, and compound the difficulty in treating core ASD symptoms. Despite the high profile challenging behaviors present in this population, there has not been a great deal of research regarding assessment, identification, and monitoring of such difficulties. This review covers available empirical based methods for assessing these behaviors. A discussion is provided of potential avenues for future research and clinical practice which is urgently needed for ASD children at this time.

Autistic Disorder↗
PubMed2007

Visual information processing in high-functioning individuals with autism spectrum disorders and their parents.

The authors assessed visual information processing in high-functioning individuals with pervasive developmental disorders (PDD) and their parents. The authors used tasks for contrast sensitivity, motion, and form perception to test visual processing occurring relatively early and late in the magnocellular-dorsal and parvocellular-ventral pathways. No deficits were found in contrast sensitivity for low or high spatial frequencies or for motion or form perception between individuals with PDD in comparison with a matched control group. Individuals with PDD performed equally with or better than controls on motion detection tasks. In addition, the authors did not find differences on any of the tasks between parents of the PDD group and matched control parents. These results indicate that high-functioning individuals with PDD and their parents are able to process visual stimuli that rely on early or late processing in the magnocellular-dorsal and parvocellular-ventral pathways as well as controls.

Adolescent↗
PubMed2006

Early language and communication development of infants later diagnosed with autism spectrum disorder.

It is well recognized that delayed "first words" is among the most common presenting symptoms of autistic spectrum disorders (ASD). However, data on earlier language and communication development in children with ASD are limited to retrospective reports from parents and from home videos. In this study, we prospectively collected parent report data on early communication and language development in 97 infant siblings of children with ASD and 49 low-risk controls. Parents completed the MacArthur Communicative Development Inventory--Infant Form at 12 and 18 months. Analysis compared 3 groups defined on the basis of diagnostic assessment at 24 months: (1) siblings with ASD (n = 15), (2) siblings not meeting diagnostic criteria for ASD (n = 82), and (3) low-risk controls, none of whom had ASD (n = 49). Children with ASD showed delays in early language and communication compared with non-ASD siblings and controls. At 12 months, the ASD group was reported to understand significantly fewer phrases and to produce fewer gestures. At 18 months, they showed delays in their understanding of phrases, comprehension and production of single words, and use of gestures. Siblings not diagnosed with ASD also used fewer play-related gestures at 18 months than low-risk controls, even when children with identified language delays were excluded. Overall, this prospective study confirms that delays in communication and language development are apparent early in life in children with ASD, and emphasizes that developmental surveillance should include monitoring for delays in gesture, which may be among the earliest signs of ASD.

Autistic Disorder↗
PubMed2026

X-linked ichthyosis with seizures, ADHD, and autism spectrum disorder: a case report with an uncommon clinical presentation.

INTRODUCTION AND IMPORTANCE: X-linked ichthyosis (XLI) is a genetic condition characterized by scaly skin due to steroid sulfatase (STS) deficiency, often associated with additional neurodevelopmental issues. CASE PRESENTATION: A 10-year-old male child was admitted to the dermatology department. The child had been born prematurely at 26 weeks' gestation with a low birth weight of 1.6 kg. He presented with seizures characterized by abnormal upper-limb movements and was diagnosed with congenital ichthyosis. The child exhibited delayed language and motor development, learning difficulties, microcephaly, and dry, scaly skin, which he habitually peeled and ingested. Genetic analysis (single-nucleotide polymorphism and combined comparative genomic hybridization) revealed a 1.65 Mb deletion on chromosome Xp22.31 affecting the STS gene and other adjacent genes. The patient had low STS enzyme activity (3.5 nmol/hour/protein) in adipose tissue. Neuroimaging showed no structural abnormalities, though an electroencephalogram indicated mild slowing. CLINICAL DISCUSSION: Given the established association between STS deletions and neurodevelopmental as well as psychiatric comorbidities, early recognition of emerging psychiatric features is essential. Given the established association between STS deletions and neurodevelopmental as well as psychiatric comorbidities, early recognition of emerging psychiatric manifestations is essential. Management should follow evidence-based recommendations for first-episode or early psychotic symptoms, emphasizing careful assessment, individualized pharmacological treatment when indicated, and multidisciplinary psychosocial support. Such an approach may improve clinical stabilization while avoiding premature diagnostic labeling. CONCLUSION: This case highlights the importance of early genetic diagnosis and personalized treatment approaches, integrating dermatological, neurological, and psychiatric care to optimize outcomes in XLI.

X-linked ichthyosis↗