Counseling and script training in PPA (Schaffer et al., 2021)
2021
Purpose: This study sought to determine the initial feasibility and benefit of a novel intervention that combines speech-language treatment with counseling treatment for an individual with the nonfluent/agrammatic variant of primary progressive aphasia (PPA).Method: Using a single-case experimental design, we evaluated the utility of modified script training paired with aphasia-modified cognitive behavioral therapy. The study employed a multiple baseline design across scripts for the primary linguistic outcome measure and a mixed methods approach for analyzing counseling outcomes. Psychosocial and communicative functioning scales were administered in conjunction with a phenomenological analysis of semi-structured interviews.Results: The participant completed all study phases and participated in all treatment components. She met the criterion of 90% correct, intelligible scripted words on all trained scripts through 12 months post-treatment. Treatment outcomes were comparable to a comparison cohort that received script training without counseling (Henry et al., 2018). At post-treatment, the participant demonstrated stability or improvement on all measures of psychosocial and communicative functioning, with stability documented on seven out of 11 scales at follow-ups through 12 months post-treatment. A phenomenological analysis revealed pervasive themes of loss and resilience at both time points, and emerging themes of positive self-perception, sense of agency, and emotional attunement following treatment.Conclusions: Results indicate that script training with aphasia-modified cognitive behavioral therapy is a feasible treatment for an individual with the nonfluent/agrammatic variant of PPA, with immediate and lasting benefits to speech-language production and psychosocial functioning. These findings are the first to support the integration of personal adjustment counseling techniques within a speech-language treatment paradigm for PPA.Supplemental Material S1. The VISTA+C participant’s performance on WAB-R subtests at each study time point.Supplemental Material S2. Linguistic parameters used for balancing the trained and untrained scripts of the VISTA+C participant.Supplemental Material S3. Participant's script characteristics. Supplemental Material S4. Script rate details. Supplemental Material S5. Sample dyadic aphasia-modified CBT exchange between patient and clinician. Schaffer, K. M., Evans, W. S., Dutcher, C. D., Philburn, C., & Henry, M. L. (2021). Embedding aphasia-modified cognitive behavioral therapy in script training for primary progressive aphasia: A single-case pilot study. American Journal of Speech-Language Pathology. Advance online publication. https://doi.org/10.1044/2021_AJSLP-20-00361
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