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Recovery from nonfluent aphasia after melodic intonation therapy: A PET study

Belin, P., Zilbovicius, M., Remy, Ph., Francois, C., Guillaume, S., Chain, F., Rancurel, G., Samson, Y.·1996·Neurology

Abstract

We examined mechanisms of recovery from aphasia in seven nonfluent aphasic patients, who were successfully treated with melodic intonation therapy (MIT) after a lengthy absence of spontaneous recovery. We measured changes in relative cerebral blood flow (CBF) with positron emission tomography (PET) during hearing and repetition of simple words, and during repetition of MIT-loaded words. Without MIT, language tasks abnormally activated right hemisphere regions, homotopic to those activated in the normal subject, and deactivated left hemisphere language zones. In contrast, repeating words with MIT reactivated Broca's area and the left prefrontal cortex, while deactivating the counterpart of Wernicke's area in the right hemisphere. The recovery process induced by MIT in these patients probably coincides with this reactivation of left prefrontal structures. In contrast, the right hemisphere regions abnormally activated during simple language tasks seem to be associated with the initial persistence of the aphasia. This study supports the idea that abnormal activation patterns in the lesioned brain are not necessarily related to the recovery process.

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Metadata

Authors
Belin, P., Zilbovicius, M., Remy, P., Francois, C., Guillaume, S., Chain, F., Rancurel, G., & Samson, Y.
Venue
Neurology
Published
1996-12
Volume
47
Issue
6
Pages
1504-1511
ISSN
  • 0028-3878 (ISSN-L)
  • 1526-632X
OpenAlex
W2062683070
Cited by
395
References
36
FWCI
3.43
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Recovery from nonfluent aphasia after melodic intonation therapy: A PET study. https://app.cochat.ai/papers/10.1212/wnl.47.6.1504
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Belin, P., Zilbovicius, M., Remy, P., Francois, C., Guillaume, S., Chain, F., Rancurel, G., & Samson, Y. (1996). Recovery from nonfluent aphasia after melodic intonation therapy: A PET study. Neurology. https://doi.org/10.1212/wnl.47.6.1504

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