Differences in Connected Speech Outcomes Across Elicitation Methods.
Tatiana T Schnur, Sharon Wang
PMID 38798958WHAT IT FOUND
For adults with acute left hemisphere stroke, storytelling elicited longer, more complex and more grammatical connected speech than picture description.
It also identified more people with word and sentence-structure problems.
Key findings
01Storytelling elicited longer, more complex connected speech than picture description: average utterance length was 8.3 words versus 5.8 words, and average sentence length was 8.5 words versus 6.4 words.
02The tasks were not consistent for most measures: only five of the 12 measures were consistent across individuals, and those were structural complexity measures.
03Impairment classification depended on the task: storytelling identified more participants impaired for verbs, pronouns and embedding, while picture description identified more impaired for mean utterance length and proportion of words in sentences.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The study did not diagnose aphasia, so the findings apply to acute stroke speakers recruited before clinical aphasia classification, not to a diagnosed aphasia population. People with speech too severe or unintelligible to transcribe were excluded, so the results may not apply to patients with severe apraxia or aphasia. All participants did picture description before storytelling, so part of the difference could come from task order. The control group had only 12 participants, so the impairment cutoffs may be less stable. Ten stroke participants could not complete the apraxia screen, so apraxia was inferred from speech errors for them. The picture description task used a black-and-white picnic picture, and the authors noted that the color cookie theft picture might produce different responses. The analysis focused on lexical, structural and syntactic features, not on discourse coherence or everyday communication effectiveness.
Declared interests
The authors reported no competing interests to declare.
The easy way to misread this
Do not read this as evidence that storytelling is a better aphasia test for all stroke patients. The study did not diagnose aphasia, excluded people whose speech was too severe to transcribe, and did not counterbalance task order.