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Right hemisphere damage: Communication processing in adults evaluated by the Brazilian Protocole MEC - Bateria MAC
Rochele Paz Fonseca1, Jandyra Maria Guimarães Fachel2, Márcia Lorena Fagundes Chaves3
1PhD in Developmental Psychology, Institute of Psychology, Federal University of Rio Grande do Sul (UFRGS). Laboratory of Neuropsycholinguistics, Institute of Psychology, Federal University of Rio Grande do Sul (UFRGS), Brazil.
Right hemisphere damage impacts communication, affecting discourse, word meaning, and speech rhythm. This study used the Brazilian Communication Evaluation Battery (Bateria MAC) to confirm these effects.
Area of Science:
- Neuroscience
- Linguistics
- Psychology
Background:
- Right hemisphere damage (RHD) can lead to various communication impairments.
- Assessing these deficits is crucial for understanding RHD's impact on language processing.
Purpose of the Study:
- To evaluate the effects of RHD on communication processing.
- To utilize the Brazilian version of the Montreal Communication Evaluation Battery (Bateria MAC) for this assessment.
Main Methods:
- A clinical group of 29 individuals with RHD and a control group of 58 neurologically healthy adults participated.
- Participants completed a questionnaire on health and sociocultural aspects and underwent assessment using the Bateria MAC.
Main Results:
- Significant differences were found between RHD and control groups in tasks assessing conversational discourse, verbal fluency (semantic and orthographic), and prosody (linguistic repetition, emotional comprehension, production).
- The RHD group exhibited greater variability in performance compared to the control group.
Conclusions:
- Right hemisphere damage directly affects discursive, lexical-semantic, and prosodic communication processes.
- Pragmatic communication processes are indirectly impacted by RHD.
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