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Updated: Aug 6, 2026

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Utilizing Repetitive Transcranial Magnetic Stimulation to Improve Language Function in Stroke Patients with Chronic Non-fluent Aphasia
Published on: July 2, 2013
Multilevel auditory and cognitive processing in post-stroke aphasia: associations with language performance using
Agit Şimşek1, Nihal Sümeyye Ulutaş2, Feyza Deniz Saman3
1Department of Speech and Language Therapy, Faculty of Health Sciences, Inönü University, Malatya, Türkiye.
Sao Paulo Medical Journal = Revista Paulista De Medicina
|July 22, 2026
Summary
Individuals with post-stroke aphasia exhibit delayed auditory processing across multiple neural levels, impacting language function. These findings highlight the importance of auditory evoked potentials in understanding and managing aphasia.
Area of Science:
- Neuroscience
- Audiology
- Speech-Language Pathology
Background:
- Aphasia post-stroke involves language deficits, but auditory and cognitive processing impairments also contribute.
- Auditory evoked potentials (AEPs) offer objective markers for neural processing and aphasia mechanisms.
Purpose of the Study:
- Investigate multilevel auditory processing in post-stroke aphasia.
- Examine the relationship between auditory processing and language performance.
Main Methods:
- Included 29 individuals with post-stroke aphasia and 33 controls.
- Assessed language using Aphasia Language Assessment Test and naming tasks.
- Evaluated auditory processing via Auditory Brainstem Responses (ABR), Late Latency Responses (LLR), and P300 potentials.
Main Results:
- Aphasia group showed significantly prolonged latencies in ABR, LLR, and P300 components (p < 0.05).
- No significant group differences in amplitude measures.
- Lower naming performance in the aphasia group; trends linked naming to N2 and P300 latencies.
Conclusions:
- Post-stroke aphasia is linked to delayed auditory processing across subcortical, cortical, and cognitive levels.
- Findings suggest generalized neural slowing, not reduced recruitment.
- AEPs complement behavioral assessments for aphasia evaluation and rehabilitation.

