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Abstract
Background: Primary progressive aphasia (PPA) with its three variants is a progressive neurodegenerative dementia in which language impairment is the first and most dominant symptom. Traditionally, speech-language pathologists who deliver therapy to adults with acquired neurogenic language disorders shy away from treatment of progressive aphasia as there is no promise of lasting effects and only limited data regarding treatment efficacy.
Aims: This paper comprises the most current review of the literature focused on treatment of naming impairments in PPA, and aims to encourage and assist clinicians in selecting intervention approaches for individuals with PPA. It highlights current trends and challenges in delivering successful therapy for naming deficits in PPA.
Main Contribution: We reviewed papers that reported different forms of naming therapy for patients with PPA, which included interventions that, although not always aimed directly at anomic deficits, brought about improvement in naming. Immediate gains, maintenance, and generalisation effects are summarised, along with a variety of approaches and methodologies that can be applied to the PPA population. We also provide a list of factors that were found to contribute to the success of therapy and to the maintenance and/or generalisation of treatment gains.
Conclusions: Current literature delivers encouraging evidence for clinicians wanting to provide naming therapy to patients with PPA. Although PPA is a progressive disorder, both the immediate treatment effects and, in many cases, maintenance results show that improvements are possible. The issues of generalisation of naming gains beyond the clinician’s office still require more studies to determine the best conditions, designs, and patient suitability.