#3540. Pitch accent disorder observed in a Japanese patient due to traumatic head injury

October 2026publication date
Proposal available till 30-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Language and Linguistics;
Linguistics and Language;
LPN and LVN;
Otorhinolaryngology;
Developmental and Educational Psychology;
Neurology (clinical);
Neurology;
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Abstract:
Suprasegmental features are often affected by brain damage, and are typically accompanied by motor speech disorders such as dysarthria, apraxia of speech (AOS), and foreign accent syndrome (FAS). However, there is no report of a selective pitch accent disorder without motor speech impairments or FAS. Additionally, we gave her a reading aloud test of homonyms with different accent patterns and an auditory discrimination task of pitch accents. The patient exhibited a significant recovery from aphasia, and paraphasia was observed to almost disappear, although the pitch accent errors remained in all speech modalities. Our observations suggest that the process of pitch accent production may be independent of that of phoneme production. This suggests that the patient’s pitch accent disorder was a problem in a higher level of linguistic processing, i.e., lexical pitch accent encoding, rather than the motor control of speech production.
Keywords:
foreign accent syndrome; lexical pitch accent encoding; Pitch accent disorder; prosody

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