Predicting Story Goodness Performance From Cognitive Measures Following Traumatic Brain Injury Purpose This study examined the prediction of performance on measures of the Story Goodness Index (SGI; Lê, Coelho, Mozeiko, & Grafman, 2011) from executive function (EF) and memory measures following traumatic brain injury (TBI). It was hypothesized that EF and memory measures would significantly predict SGI outcomes. Method ... Supplement Article
Supplement Article  |   May 01, 2012
Predicting Story Goodness Performance From Cognitive Measures Following Traumatic Brain Injury
 
Author Affiliations & Notes
  • Karen Lê
    University of Connecticut, Storrs
  • Carl Coelho
    University of Connecticut, Storrs
  • Jennifer Mozeiko
    University of Connecticut, Storrs
  • Frank Krueger
    George Mason University, Fairfax, VA
  • Jordan Grafman
    Kessler Foundation Research Center, West Orange, NJ
  • Correspondence to Jordan Grafman: jgrafman@kesslerfoundation.org
  • Editor: Swathi Kiran
    Editor: Swathi Kiran×
  • Associate Editor: Jacqueline Hinckley
    Associate Editor: Jacqueline Hinckley×
Article Information
Attention, Memory & Executive Functions / Traumatic Brain Injury / Supplement: Select Papers From the 41st Clinical Aphasiology Conference
Supplement Article   |   May 01, 2012
Predicting Story Goodness Performance From Cognitive Measures Following Traumatic Brain Injury
American Journal of Speech-Language Pathology, May 2012, Vol. 21, S115-S125. doi:10.1044/1058-0360(2012/11-0114)
History: Received August 23, 2011 , Revised December 17, 2011 , Accepted January 17, 2012
 
American Journal of Speech-Language Pathology, May 2012, Vol. 21, S115-S125. doi:10.1044/1058-0360(2012/11-0114)
History: Received August 23, 2011; Revised December 17, 2011; Accepted January 17, 2012
Web of Science® Times Cited: 10

Purpose This study examined the prediction of performance on measures of the Story Goodness Index (SGI; Lê, Coelho, Mozeiko, & Grafman, 2011) from executive function (EF) and memory measures following traumatic brain injury (TBI). It was hypothesized that EF and memory measures would significantly predict SGI outcomes.

Method One hundred sixty-seven individuals with TBI participated in the study. Story retellings were analyzed using the SGI protocol. Three cognitive measures—Delis-Kaplan Executive Function System (D-KEFS; Delis, Kaplan, & Kramer, 2001) Sorting Test, Wechsler Memory Scale—Third Edition (WMS–III; Wechsler, 1997) Working Memory Primary Index (WMI), and WMS–III Immediate Memory Primary Index (IMI)—were entered into a multiple linear regression model for each discourse measure. Two sets of regression analyses were performed, the first with the Sorting Test as the first predictor and the second with it as the last.

Results The first set of regression analyses identified the Sorting Test and IMI as the only significant predictors of performance on measures of the SGI. The second set identified all measures as significant predictors when evaluating each step of the regression function.

Conclusion The cognitive variables predicted performance on the SGI measures, although there were differences in the amount of explained variance. The results (a) suggest that storytelling ability draws on a number of underlying skills and (b) underscore the importance of using discrete cognitive tasks rather than broad cognitive indices to investigate the cognitive substrates of discourse.

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