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Related Experiment Video

Updated: Jun 12, 2025

Utilizing Repetitive Transcranial Magnetic Stimulation to Improve Language Function in Stroke Patients with Chronic Non-fluent Aphasia

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Self-Improved Language Production in Nonfluent Aphasia Through Automated Recursive Self-Feedback.

Gerald C Imaezue¹, Ofer Tchernichovski², Mira Goral^3,4

¹Department of Communication Sciences & Disorders, University of South Florida, Tampa.

American Journal of Speech-Language Pathology

|September 20, 2024

Summary

This summary is machine-generated.

Persons with nonfluent aphasia (PWNA) can improve sentence production using recursive self-feedback. This automated method enhances language production autonomously and may bypass linguistic barriers in aphasia care.

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Area of Science:

Neuroscience
Speech and Language Pathology
Rehabilitation Science

Background:

Persons with nonfluent aphasia (PWNA) utilize external and self-feedback for language improvement.
The efficacy of self-feedback alone in PWNA's language production remains underexplored.
Previous proof-of-concept study developed automated recursive self-feedback for PWNA.

Purpose of the Study:

To replicate initial findings on automated recursive self-feedback in PWNA.
To compare recursive self-feedback with external feedback for improving language production in PWNA.
To assess the generalization of treatment effects to untrained scripts.

Main Methods:

Four individuals with chronic nonfluent aphasia participated.
Two treatments were tested: script production with recursive self-feedback and script production with external feedback.
Participants used a mobile app on mini tablets for remote, intensive treatment over 14 sessions.
Outcomes measured included percent script produced, speaking rate, and speech initiation latency.
Nonoverlap of all pairs analysis was used to estimate clinical improvements.

Main Results:

Both recursive self-feedback and external feedback improved PWNA's language production.
Recursive self-feedback enhanced speaking rate and speech initiation latency, generalizing to untrained scripts for all participants.
External feedback did not generalize to speaking rate improvements in two participants.

Conclusions:

Findings confirm that PWNA can self-improve sentence production using recursive self-feedback.
This novel procedure allows PWNA to autonomously enhance language production.
The procedure's potential to overcome linguistic barriers in aphasia care is highlighted.