Paralinguistic processing in children with callosal agenesis

Emergence of neurolinguistic deficits

Warren S. Brown, Melissa Symingtion, Diana VanLancker-Sidtis, Rosalind Dietrich, Lynn K. Paul

Research output: Contribution to journalArticle

Abstract

Recent research revealed impaired processing of both nonliteral meaning and affective prosody in adults with agenesis of the corpus callosum (ACC) and normal intelligence. Since normal children have incomplete myelination of the corpus callosum, it was hypothesized that paralanguage deficits in children with ACC would be less apparent relative to their peers. The Familiar and Novel Language Comprehension Test (FANL-C) and Prosody Test were given to 18 children with ACC and normal intelligence and 17 controls matched for age (7-13 years), education, and IQ (83-122). When controlling for age, children with ACC were significantly poorer in comprehension of the precise meaning of both literal and nonliteral items on the FANL-C. Adults with ACC had previously been shown to have difficulty only on nonliteral items. The effect size for nonliteral comprehension in children with ACC was smaller than that seen in adults. There was only a trend for the child ACC group to perform worse on the recognition of affective prosody. Thus, while deficits in paralinguistic processing were apparent, children with ACC were not as clearly different from age peers as adults, and were equally deficient at comprehending literal and nonliteral expressions. The differences in results between adults and children with ACC are thought to reflect incomplete callosal development in normal children, and the importance of the corpus callosum in the early stages of the development of the ability to process literal language.

Original languageEnglish (US)
Pages (from-to)135-139
Number of pages5
JournalBrain and Language
Volume93
Issue number2
DOIs
StatePublished - May 2005

Fingerprint

Agenesis of Corpus Callosum
deficit
Corpus Callosum
comprehension
Intelligence
intelligence
Language Tests
Neurolinguistics
Paralinguistics
Aptitude
language
Language
Education

Keywords

  • Agenesis of the corpus callosum
  • Child development
  • Corpus callosum
  • Idioms
  • Nonliteral language
  • Prosody

ASJC Scopus subject areas

  • Language and Linguistics
  • Neuroscience(all)
  • Experimental and Cognitive Psychology
  • Neuropsychology and Physiological Psychology

Cite this

Brown, W. S., Symingtion, M., VanLancker-Sidtis, D., Dietrich, R., & Paul, L. K. (2005). Paralinguistic processing in children with callosal agenesis: Emergence of neurolinguistic deficits. Brain and Language, 93(2), 135-139. https://doi.org/10.1016/j.bandl.2004.09.003

Paralinguistic processing in children with callosal agenesis : Emergence of neurolinguistic deficits. / Brown, Warren S.; Symingtion, Melissa; VanLancker-Sidtis, Diana; Dietrich, Rosalind; Paul, Lynn K.

In: Brain and Language, Vol. 93, No. 2, 05.2005, p. 135-139.

Research output: Contribution to journalArticle

Brown, WS, Symingtion, M, VanLancker-Sidtis, D, Dietrich, R & Paul, LK 2005, 'Paralinguistic processing in children with callosal agenesis: Emergence of neurolinguistic deficits', Brain and Language, vol. 93, no. 2, pp. 135-139. https://doi.org/10.1016/j.bandl.2004.09.003
Brown, Warren S. ; Symingtion, Melissa ; VanLancker-Sidtis, Diana ; Dietrich, Rosalind ; Paul, Lynn K. / Paralinguistic processing in children with callosal agenesis : Emergence of neurolinguistic deficits. In: Brain and Language. 2005 ; Vol. 93, No. 2. pp. 135-139.
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