Effects of syntactic complexity, semantic reversibility, and explicitness on discourse comprehension in persons with aphasia and in healthy controls

Joshua Levy, Elizabeth Hoover, Gloria Waters, Swathi Kiran, David Caplan, Alex Berardino, Chaleece Sandberg

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Purpose: Prior studies of discourse comprehension have concluded that the deficits of persons with aphasia (PWA) in syntactically based comprehension of sentences in isolation are not predictive of deficits in comprehension of sentences in discourse (Brookshire & Nicholas, 1984; Caplan & Evans, 1990). However, these studies used semantically constrained sentences in discourse, which do not require syntactic analysis to be understood. A discourse task was developed to assess the effect of syntactic complexity, among other factors, on discourse comprehension in PWA. Method: Thirty-eight PWA and 30 neurologically healthy control participants were presented with passages that contained 2-3 semantically reversible sentences that were either syntactically simple or syntactically complex. The passages were presented auditorily, and comprehension was assessed with the auditory and written presentation of 4 multiple-choice questions immediately following each passage. Results: Passages with syntactically simple sentences were better understood than passages with syntactically complex sentences. Moreover, semantically constrained sentences were more likely to be accurately interpreted than semantically reversible sentences. Comprehension accuracy on our test correlated positively with comprehension accuracy on an existing test. Conclusion: The presence of semantically reversible, syntactically complex sentences in a passage affects comprehension of the passage in both PWA and neurologically healthy individuals.

Original languageEnglish (US)
Pages (from-to)S154-S165
JournalAmerican journal of speech-language pathology
Volume21
Issue number2
DOIs
StatePublished - May 2012

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Aphasia
speech disorder
Semantics
comprehension
semantics
human being
discourse
deficit
social isolation
Healthy Volunteers

All Science Journal Classification (ASJC) codes

  • Otorhinolaryngology
  • Developmental and Educational Psychology
  • Linguistics and Language
  • Speech and Hearing

Cite this

Levy, Joshua ; Hoover, Elizabeth ; Waters, Gloria ; Kiran, Swathi ; Caplan, David ; Berardino, Alex ; Sandberg, Chaleece. / Effects of syntactic complexity, semantic reversibility, and explicitness on discourse comprehension in persons with aphasia and in healthy controls. In: American journal of speech-language pathology. 2012 ; Vol. 21, No. 2. pp. S154-S165.
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Effects of syntactic complexity, semantic reversibility, and explicitness on discourse comprehension in persons with aphasia and in healthy controls. / Levy, Joshua; Hoover, Elizabeth; Waters, Gloria; Kiran, Swathi; Caplan, David; Berardino, Alex; Sandberg, Chaleece.

In: American journal of speech-language pathology, Vol. 21, No. 2, 05.2012, p. S154-S165.

Research output: Contribution to journalArticle

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