Multisensory cueing facilitates naming in aphasia.

Area of Science:

• Neuroscience
• Speech-Language Pathology
• Cognitive Science

Background:

• Impaired naming is a common symptom in aphasia, negatively impacting quality of life and recovery.
• Phonological and semantic cueing strategies are established treatments for anomic disturbances.
• Cueing benefits are often linked to priming within the brain's language network.

Purpose of the Study:

• To investigate two novel cueing techniques: Silent Visuomotor Cues (SVC) and Semantic Auditory Cues (SAC).
• To test the hypothesis that SVC and SAC can enhance communicative effectiveness by engaging perceptual and semantic language regions.

Main Methods:

• A longitudinal clinical intervention involving ten participants with chronic non-fluent aphasia.
• Participants engaged in a peer-to-peer language game using the Rehabilitation Gaming System for aphasia (RGSa).
• SVC and SAC were administered during object selection trials, with naming times compared between cued and non-cued trials.

Main Results:

• Naming accuracy significantly improved across all stimuli and evaluation points, including follow-up.
• Both SVC and SAC demonstrated beneficial effects on word naming, particularly in early intervention sessions.
• Improvements were noted even when exposure to target words was infrequent.

Conclusions:

• The proposed cueing strategies (SVC and SAC) are effective in aiding naming in chronic aphasia.
• These techniques can be integrated into clinical practice or mobile technology.
• Findings support sensorimotor theories of language processing, highlighting language-motor-semantic brain region coupling.