Patterns of narrative discourse in early recovery following severe Traumatic Brain Injury.
Emma Power, Stephanie Weir, Jessica Richardson and 4 others
PMID 31661629WHAT IT FOUND
Severe TBI patients struggle to convey key story elements and organize narratives, with little group-wide improvement between 3 and 6 months.
Individual recovery varies widely, so clinicians should expect persistent informativeness deficits and monitor for potential decline.
Key findings
01At 3 months post-injury, the TBI group produced significantly less complete stories and fewer complete episodes than controls, but showed no significant differences in microlinguistic productivity measures.
02There was no significant difference in narrative discourse performance for the TBI group as a whole between 3 and 6 months post-injury.
03Individual analysis revealed marked variability: while some impaired participants improved in story structure, many participants who were within normal limits at 3 months deteriorated by 6 months, with 55 individual scores moving away from the normal range.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
Read the rest of this summary
You get three full summaries a month, free, and we do not ask for a card. Search, the TL;DRs and your library stay unlimited either way.
What it does not show
The study used an inception cohort design, meaning it included participants regardless of whether they had diagnosed cognitive-communication disorders, which may dilute group differences compared to studies selecting only impaired patients. Factors such as dysarthria, aphasia, and concurrent speech pathology intervention were measured but not controlled, potentially influencing individual performance. Groups were not matched for sex, as available control data had a higher proportion of females. Repeated administration of the same picture task raises the possibility of practice effects, though the authors argue against this based on the lack of group-wide improvement.
Declared interests
The authors report no conflicts of interest. The research was supported by non-U.S. government funding.
The easy way to misread this
Do not assume that the lack of significant group-level change between 3 and 6 months means individual patients are stable. The data show high variability, with many participants who were initially within normal limits deteriorating by 6 months. Individual monitoring is required rather than relying on group averages.