A method for characterizing semantic and lexical properties of sentence completions in traumatic brain injury

Matthew J. Kmiecik, Barry N. Rodgers, David M. Martinez, Sandra B. Chapman, Daniel C. Krawczyk

Research output: Contribution to journalArticle

Abstract

Clinical investigations of individuals with chronic stage traumatic brain injury (TBI) showing mild-tomoderate levels of residual impairment largely use standardized neuropsychological assessments to measure executive functioning. The Hayling Sentence Completion Test (HSCT) relies upon several executive functions but detects cognitive impairments across studies inconsistently. We sought to (a) further characterize sentence completions on the HSCT by quantifying their semantic and lexical properties and (b) investigate cognitive components important for HSCT performance. A sample of 108 mild-to-moderate participants with TBI underwent a comprehensive neuropsychological assessment that evaluated verbal ability, working memory, processing speed, task switching, and inhibitory control. Multiple regression analyses suggest that these 5 cognitive components differentially contribute to describing HSCT performance and measures of semantic and lexical properties of unconnected sentence completions. Across all 3 measures, verbal ability was most predictive of performance, while inhibitory control was the least predictive. Working memory capacity also predicted HSCT performance, while processing speed and task switching ability predicted lexical measures. We present a method for quantitatively measuring the semantic and lexical properties of generated words on the HSCT and how these additional measures relate to executive functions.

Original languageEnglish (US)
Pages (from-to)645-655
Number of pages11
JournalPsychological Assessment
Volume30
Issue number5
DOIs
StatePublished - May 1 2018

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Aptitude
Semantics
Executive Function
Short-Term Memory
Brain Concussion
Regression Analysis
Traumatic Brain Injury

Keywords

  • Executive functions
  • Hayling Sentence Completion Test
  • Linguistics
  • Neuropsychology
  • Traumatic brain injury

ASJC Scopus subject areas

  • Clinical Psychology
  • Psychiatry and Mental health

Cite this

A method for characterizing semantic and lexical properties of sentence completions in traumatic brain injury. / Kmiecik, Matthew J.; Rodgers, Barry N.; Martinez, David M.; Chapman, Sandra B.; Krawczyk, Daniel C.

In: Psychological Assessment, Vol. 30, No. 5, 01.05.2018, p. 645-655.

Research output: Contribution to journalArticle

Kmiecik, Matthew J. ; Rodgers, Barry N. ; Martinez, David M. ; Chapman, Sandra B. ; Krawczyk, Daniel C. / A method for characterizing semantic and lexical properties of sentence completions in traumatic brain injury. In: Psychological Assessment. 2018 ; Vol. 30, No. 5. pp. 645-655.
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