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Embedding Aphasia-Modified Cognitive Behavioral Therapy in Script Training for Primary Progressive Aphasia: A Single-Case Pilot Study.

ABSTRACT: 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 https://doi.org/10.23641/asha.14925330.

SUBMITTER: Schaffer KM

PROVIDER: S-EPMC8759527 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature

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Embedding Aphasia-Modified Cognitive Behavioral Therapy in Script Training for Primary Progressive Aphasia: A Single-Case Pilot Study.

Schaffer Kristin M KM Evans William S WS Dutcher Christina D CD Philburn Christina C Henry Maya L ML

American journal of speech-language pathology 20210727 5

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 ling ...[more]

PMID: 34314249

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Project description:Behavioral assessment has been investigated in frontotemporal lobar degeneration and Alzheimer's disease, but has not been explored extensively in subtypes of primary progressive aphasia (PPA). We explored the ability of a modified version of the Frontal Behavioral Inventory (FBI-mod) to discriminate between patients with distinct subtypes of PPA and patients with mild cognitive impairment (MCI). We hypothesized that individuals with nonfluent agrammatic PPA (nfaPPA) would have higher negative behavior scores than other groups and that individuals with semantic variant PPA (svPPA) would have higher disinhibition scores than other groups. Family members and/or caregivers of 120 individuals with PPA and MCI (mean age 69.54+8.75 years; 65 (54%) female; education 16.06±2.68 years; disease duration 46.47±34.26 months) completed the FBI-mod [logopenic PPA (lvPPA) n = 40. nfaPPA n = 29, svPPA n = 27, MCI n = 24]. The groups were not significantly different in age, gender, education, or disease duration. There were no significant differences between the groups for negative behaviors (p = 0.72) and disinhibition scores (p = 0.14). When comparing negative and disinhibition scores (in percent), negative scores were significantly higher in all groups (p < 0.001). When comparing subtest items, there was a pairwise difference between lvPPA and svPPA for restlessness (lvPPA < svPPA, p = 0.02, after adjusting for multiple between-group comparisons). There was a significant difference in the proportion of severe neglect between the groups with lvPPA having a lower proportion than the other two variants (p = 0.05), and there was a significant difference in the proportion of severe poor judgment between the groups with lvPPA also having a lower proportion than nfaPPA (p = 0.04). This study reveals the greater negative behavioral disturbance than disinhibition in the PPA and MCI groups of similar age and duration since onset and identifies different profiles for some specific behaviors for the PPA groups. These findings may have clinical and practical implications.

Project description:BackgroundPrimary progressive aphasia is a language-led dementia, often associated with frontotemporal dementia. It presents as insidious deterioration of language skills (e.g. naming objects and understanding complex sentences), with relative sparing of cognitive skills initially. There is little research examining the effectiveness of communication skills training for primary progressive aphasia, yet speech and language therapists (SLTs) report regularly using this in clinical practice. 'Better Conversations with Primary Progressive Aphasia' has potential to reduce barriers and increase facilitators to conversation and consequently improve confidence in communication and quality of life for people living with primary progressive aphasia and their conversation partners. The aim of this pilot study is to examine the feasibility of running a trial of the 'Better Conversations with Primary Progressive Aphasia' intervention.MethodsA single blind, randomised controlled pilot study will recruit 42 participants with primary progressive aphasia and their conversation partners across seven UK National Health Service Trusts. Participants will be randomised on a 1:1 basis, stratified by site, to receive either the 'Better Conversations with Primary Progressive Aphasia' intervention (21 couples) or no speech and language therapy treatment (21 couples). Participants are recruited by SLTs who will conduct pre-intervention assessment (week 1) and deliver the intervention (weeks 2 to 5). Junior researchers, who are blinded to allocation, will complete post-intervention measures (week 6). SLTs complete 9 h of training to prepare them to deliver the intervention. The primary objective of the study is to establish for a phase III effectiveness study whether the program can be delivered as intended in a UK National Health Service setting. Specifically, it will establish (1) the acceptability of randomisation, (2) an assessment of treatment fidelity to determine necessary levels of SLT training, (3) the most appropriate primary outcome measure, (4) sample size requirements, (5) predicted patient recruitment and retention rates and (6) refined inclusion criteria.DiscussionInsights from this study will be of relevance to guide development of future research and in particular, trials of therapeutic interventions in PPA, as well as for clinical care for this population.Trial registrationRetrospectively registered 28/02/2018 ISRCTN10148247.

Project description:ObjectiveTo explore the effect of complexity and feedback on script training outcomes in aphasia DESIGN: Randomized balanced single-blind 2 × 2 factorial design.SettingFreestanding urban rehabilitation hospital.ParticipantsAdults with fluent and nonfluent aphasia (at least 6 months post onset).InterventionsExperimental treatment was AphasiaScripts, a computer-based script training program. Scripts were 10-turns long and developed at different complexity levels to allow for comparison of high vs low complexity. The program was modified to contrast high vs low feedback conditions during sentence practice. Participants were instructed to practice three 30-minute sessions per day, 6 days per week for 3 weeks.Main outcome measuresGains achieved from baseline in accuracy and rate of production of trained and untrained script sentences at post treatment and at 3-, 6-, and 12-weeks after the end of treatment.ResultsSixteen participants completed the intervention. On the trained script, gains were statistically significant for both accuracy and words per minute at post treatment and 3-, 6-, and 12-week maintenance. Gains on the untrained script were smaller than on the trained script; they were statistically significant only for accuracy at post treatment and 3-week maintenance. Complexity had an influence on accuracy at post-treatment (F1=4.8391, P=.0501) and at maintenance (F1=5.3391, P=.0413). Practicing scripts with high complexity increased accuracy by 11.33% at post treatment and by 9.90% at maintenance compared with scripts with low complexity. Participants with nonfluent aphasia made greater gains than those with fluent aphasia. There was no significant effect of feedback.ConclusionsThis study reinforces script training as a treatment option for aphasia. Results highlight the use of more complex scripts to better promote acquisition and maintenance of script production skills. There is a need for further investigation of these variables with larger samples and with other types of aphasia treatments.

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Embedding Aphasia-Modified Cognitive Behavioral Therapy in Script Training for Primary Progressive Aphasia: A Single-Case Pilot Study.

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Embedding Aphasia-Modified Cognitive Behavioral Therapy in Script Training for Primary Progressive Aphasia: A Single-Case Pilot Study.

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