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Speed of information processing in children referred for learning problems: performance on a visual filtering test.

Children referred for evaluation of learning impairment (LI, N =100) and a comparison group of nonreferred (NLI, N = 243) children were evaluated on a visual filtering task. The task was designed hierarchically to provide for evaluation of component operations-serial search, parallel search, decisio...

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Published in:Journal of Learning Disabilities Vol. 33; no. 6; pp. 538 - 551
Main Authors: Weiler MD, Harris NS, Marcus DJ, Bellinger D, Kosslyn SM, Waber DP
Format: research tables/charts Journal Article
Published: Sage Publications Inc. Nov/Dec2000
Online Access:View this record in EBSCOhost
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      jtl: Journal of Learning Disabilities
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      dt: Nov/Dec2000
      vid: 33
      iid: 6
      pid: 344
      pub: Sage Publications Inc.
      place: Thousand Oaks, California
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        atl: Speed of information processing in children referred for learning problems: performance on a visual filtering test.
      aug:
        au:
          Weiler MD
          Harris NS
          Marcus DJ
          Bellinger D
          Kosslyn SM
          Waber DP
        affil: CA-504, LDRC, Children's Hospital, 300 Longwood Ave, Boston, MA 02115
      sug:
        subj:
          Language Processing In Infancy and Childhood
          Learning Disorders In Infancy and Childhood
          Visual Perception In Infancy and Childhood
          Funding Source
          Case Control Studies
          Child
          Female
          Male
          Intelligence Tests
          Data Collection, Computer Assisted
          Task Performance and Analysis
          Time Factors
          Reaction Time
          Repeated Measures
          Linear Regression
          Descriptive Statistics
          Human
          Child: 6-12 years
          Female
          Male
      ab: Children referred for evaluation of learning impairment (LI, N =100) and a comparison group of nonreferred (NLI, N = 243) children were evaluated on a visual filtering task. The task was designed hierarchically to provide for evaluation of component operations-serial search, parallel search, decision, and response. With each additional processing demand, response times increased disproportionately for the LI group relative to the NLI group. Overall response time reliably predicted academic skills and cognitive ability, but was more strongly related to group membership. Thus, this nonverbal visual task is sensitive to a characteristic of children with learning problems over and above discrete academic and cognitive skills. Children with problems adapting to the demands of schooling may be distinguished by a disproportionate vulnerability to processing load.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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