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The foreign accent syndrome: a reconsideration

K M Kurowski¹, S E Blumstein, M Alexander

¹Department of Cognitive and Linguistic Sciences, Brown University, Providence, RI 02912, USA.

Brain and Language

|July 1, 1996

Summary

Foreign accent syndrome (FAS) speech analysis reveals a "generic" accent but variable phonetic features across patients. This challenges the idea of a single prosodic disturbance as the sole cause of FAS.

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Area of Science:

Neurolinguistics
Speech-language pathology
Acoustic phonetics

Background:

Foreign accent syndrome (FAS) is a rare speech disorder often following a stroke (CVA).
Previous research suggests a common set of phonetic alterations characterizes FAS.
Understanding the acoustic basis of FAS is crucial for diagnosis and treatment.

Observation:

Acoustic analysis of a patient's post-stroke speech with FAS was compared to their premorbid speech and a prior FAS case.
Key speech parameters examined included consonant production (voicing, place, manner), vowel acoustics (formants, duration), and prosody.
The patient exhibited features consistent with a "generic" foreign accent.

Findings:

FAS speech deficits appear qualitatively distinct from Broca's aphasia.
While a "generic" accent was observed, the specific constellation of phonetic features varied between FAS patients.
This variability challenges the hypothesis that a uniform prosodic disturbance is the sole underlying neural mechanism in FAS.

Implications:

The findings suggest that FAS may not stem from a single, generalized neural deficit.
Further research is needed to elucidate the diverse neural underpinnings of foreign accent syndrome.
This study contributes to a more nuanced understanding of speech disorders post-stroke.

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