Hyperlexia: A Marker for Improvement in Children With Pervasive Developmental Disorder?

LARRY BURD; WAYNE FISHER; DOUGLAS KNOWLTON; JACOB KERBESHIAN

doi:10.1097/00004583-198705000-00022

Hyperlexia: A Marker for Improvement in Children With Pervasive Developmental Disorder?

LARRY BURD, WAYNE FISHER, DOUGLAS KNOWLTON, JACOB KERBESHIAN

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

In a population of 59 patients with pervasive developmental disorders, four patients manifested hyperlexia. These four patients had improved outcomes when contrasted with other patients with pervasive developmental disorders who had similar cognitive ability and levels of behavioral dysfunction. In children with hyperlexia the average IQ at first evaluation was 43 and the most recent IQs averaged 94.7. This change over time was significant (x2 = 8.0, p = 0.02). All patients with hyperlexia demonstrated this improved outcome. The authors speculate that hyperlexia may reflect an island of skills relating to generalized language function and may be a marker for children who have the potential to achieve an improved cognitive outcome. A trend for behavioral improvement was also observed. Treatment differences between groups were not identified. Possible explanations for this improved outcome are discussed.

Original language	English (US)
Pages (from-to)	407-412
Number of pages	6
Journal	Journal of the American Academy of Child and Adolescent Psychiatry
Volume	26
Issue number	3
DOIs	https://doi.org/10.1097/00004583-198705000-00022
State	Published - 1987
Externally published	Yes

Keywords

Pervasive Developmental Disorder
autism
hyperlexia

ASJC Scopus subject areas

Developmental and Educational Psychology
Psychiatry and Mental health

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10.1097/00004583-198705000-00022

Cite this

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title = "Hyperlexia: A Marker for Improvement in Children With Pervasive Developmental Disorder?",

abstract = "In a population of 59 patients with pervasive developmental disorders, four patients manifested hyperlexia. These four patients had improved outcomes when contrasted with other patients with pervasive developmental disorders who had similar cognitive ability and levels of behavioral dysfunction. In children with hyperlexia the average IQ at first evaluation was 43 and the most recent IQs averaged 94.7. This change over time was significant (x2 = 8.0, p = 0.02). All patients with hyperlexia demonstrated this improved outcome. The authors speculate that hyperlexia may reflect an island of skills relating to generalized language function and may be a marker for children who have the potential to achieve an improved cognitive outcome. A trend for behavioral improvement was also observed. Treatment differences between groups were not identified. Possible explanations for this improved outcome are discussed.",

keywords = "Pervasive Developmental Disorder, autism, hyperlexia",

author = "LARRY BURD and WAYNE FISHER and DOUGLAS KNOWLTON and JACOB KERBESHIAN",

note = "Funding Information: Received NIH'. 25. 1985: revised Mar. / 7. /986: accepted April 4, /986. Mr. Burd is with the Child Evaluation and Treatment Program, Medical Center Rehabilitation l iospitul, the Departments of Neuroscience and Pediatrics, University ofDakota School ofMedicine. and The Center/or Teaching and Learning. University ofNorth Dakota: Dr. Fisher is Director ofPsychological Services. Grafton State School; Dr. Knowlton is Director of the Child Evaluation and Treatment Program; and Dr. Kerbeshian is Associate Clinical Professor ofNeuroscience. University of North Dakota School of Medicine. Reprint requests to Mr. Burd, Medical Center Rehabilitation Hospital. Box 8202, Universitv Station, Grand Forks, ND 58202. This work ~'as supported by the Medical Center Rehabilitation Hospital 's Foundation and a grant from the Dean ofthe University of North Dakota School (if Medicine to the Department (if Neuroscience. 0890-8567/87/2603-0407 $02.00/0 {\textcopyright} 1987 by the American Academy of Child and Adolescent Psychiatry.",

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AU - KNOWLTON, DOUGLAS

AU - KERBESHIAN, JACOB

N1 - Funding Information: Received NIH'. 25. 1985: revised Mar. / 7. /986: accepted April 4, /986. Mr. Burd is with the Child Evaluation and Treatment Program, Medical Center Rehabilitation l iospitul, the Departments of Neuroscience and Pediatrics, University ofDakota School ofMedicine. and The Center/or Teaching and Learning. University ofNorth Dakota: Dr. Fisher is Director ofPsychological Services. Grafton State School; Dr. Knowlton is Director of the Child Evaluation and Treatment Program; and Dr. Kerbeshian is Associate Clinical Professor ofNeuroscience. University of North Dakota School of Medicine. Reprint requests to Mr. Burd, Medical Center Rehabilitation Hospital. Box 8202, Universitv Station, Grand Forks, ND 58202. This work ~'as supported by the Medical Center Rehabilitation Hospital 's Foundation and a grant from the Dean ofthe University of North Dakota School (if Medicine to the Department (if Neuroscience. 0890-8567/87/2603-0407 $02.00/0 © 1987 by the American Academy of Child and Adolescent Psychiatry.

PY - 1987

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N2 - In a population of 59 patients with pervasive developmental disorders, four patients manifested hyperlexia. These four patients had improved outcomes when contrasted with other patients with pervasive developmental disorders who had similar cognitive ability and levels of behavioral dysfunction. In children with hyperlexia the average IQ at first evaluation was 43 and the most recent IQs averaged 94.7. This change over time was significant (x2 = 8.0, p = 0.02). All patients with hyperlexia demonstrated this improved outcome. The authors speculate that hyperlexia may reflect an island of skills relating to generalized language function and may be a marker for children who have the potential to achieve an improved cognitive outcome. A trend for behavioral improvement was also observed. Treatment differences between groups were not identified. Possible explanations for this improved outcome are discussed.

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Hyperlexia: A Marker for Improvement in Children With Pervasive Developmental Disorder?

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