Behavioral Treatment for Speech and Language in Primary Progressive Aphasia and Primary Progressive Apraxia of Speech: A Systematic Review
Neuropsychology Review
Wauters, L. D., Croot, K., et al. (2024).
Neuropsychology Review, 34, 882-923.
This systematic review investigates the immediate, maintained, and generalized effects of behavioral treatments on speech and language outcomes for individuals with primary progressive aphasia (PPA) or primary progressive apraxia of speech (PPAOS). Of note, no studies investigating PPAOS were located.
Not stated
From database inception to May 31, 2021
Published, peer-reviewed studies of any design
103
<div>Behavioral interventions targeting speech and language outcomes generally led to improvements in at least one primary outcome for individuals with PPA <span style="color: #333333;">(Level 2a & 2b Evidence). Additional findings included:</span></div>
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<li>Generalization and maintenance of skills were reported in the majority of included studies (Level 2a & 2b Evidence).</li>
<li>Speech treatment had positive effects on speech production in individuals with PPA and co-morbid apraxia of speech across four studies (Level 2a, 2b, & 3 Evidence).</li>
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<div><span style="color: #333333;">Of note, while results were reported for a large number of participants across many studies, sample sizes were generally small and the majority of studies had single subject designs. Additional high-quality research is indicated. </span></div>
<div>This review did not locate any studies that investigated behavioral speech interventions for individuals with PPAOS.</div>
