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Dementia & Neuropsychologia

Print version ISSN 1980-5764

Dement. neuropsychol. vol.1 no.3 São Paulo July/Sept. 2007 

Original Articles

Right hemisphere damage: Communication processing in adults evaluated by the Brazilian Protocole MEC - Bateria MAC

Lesão de hemisfério direito: processamento comunicativo em adultos avaliados pela versão brasileira do Protocole MEC - Bateria MAC

Rochele Paz Fonseca 1  

Jandyra Maria Guimarães Fachel 2  

Márcia Lorena Fagundes Chaves 3  

Francéia Veiga Liedtke 4  

Maria Alice de Mattos Pimenta Parente 5  

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.

2PhD in Statistics, University of London. Department of Statistics, Institute of Mathematics, Federal University of Rio Grande do Sul (UFRGS), Brazil.

3PhD in Medicine, Federal University of Rio Grande do Sul (UFRGS). Department of Internal Medicine, Faculty of Medicine, Federal University of Rio Grande do Sul (UFRGS) and Neurology Service of the Hospital of Clinics of Porto Alegre (HCPA), Brazil.

4Psychology Undergraduate, Federal University of Rio Grande do Sul (UFRGS). Laboratory of Neuropsycholinguistics, Institute of Psychology, Federal University of Rio Grande do Sul (UFRGS), Brazil.

5PhD in Psychology, University of São Paulo (USP). Graduate Program in Psychology, Institute of Psychology, Department of Developmental and Personality Psychology, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Brazil.


Right-brain-damaged individuals may present discursive, pragmatic, lexical-semantic and/or prosodic disorders. Objective: To verify the effect of right hemisphere damage on communication processing evaluated by the Brazilian version of the Protocole Montréal d'Évaluation de la Communication (Montreal Communication Evaluation Battery) - Bateria Montreal de Avaliação da Comunicação, Bateria MAC, in Portuguese. Methods: A clinical group of 29 right-brain-damaged participants and a control group of 58 non-brain-damaged adults formed the sample. A questionnaire on sociocultural and health aspects, together with the Brazilian MAC Battery was administered. Results: Significant differences between the clinical and control groups were observed in the following MAC Battery tasks: conversational discourse, unconstrained, semantic and orthographic verbal fluency, linguistic prosody repetition, emotional prosody comprehension, repetition and production. Moreover, the clinical group was less homogeneous than the control group. Conclusions: A right-brain-damage effect was identified directly, on three communication processes: discursive, lexical-semantic and prosodic processes, and indirectly, on pragmatic process.

Key words: neuropsychology; right hemisphere; brain damage; communication.


Os indivíduos com lesão vascular de hemisfério direito podem apresentar distúrbios discursivos, pragmáticos, léxico-semânticos e/ou prosódicos. Objetivo: Verificar o efeito da lesão de hemisfério direito no processamento comunicativo avaliado pela versão Brasileira do Protocole Montréal d'Évaluation de la Communication - Bateria Montreal de Avaliação da Comunicação, Bateria MAC (em português). Métodos: Participaram do estudo um grupo clínico, com 29 adultos lesados de hemisfério direito, e um grupo controle, com 58 adultos sem lesão neurológica. Foram administrados um questionário de dados socioculturais e aspectos da saúde e a Bateria MAC. Resultados: Houve diferenças significativas entre os grupos clínico e controle nas tarefas da Bateria MAC discurso conversacional, evocação lexical livre, com critério ortográfico e semântico, prosódia lingüística repetição, prosódia emocional compreensão, repetição e produção. Além disso, o grupo clínico mostrou-se menos homogêneo do que o controle. Conclusões: Identificou-se o efeito da lesão de hemisfério direito em três processamentos comunicativos: discursivo, léxico-semântico e prosódico e, indiretamente, no processamento pragmático.

Palavras-chave: neuropsicologia; hemisfério direito; lesão cerebral; comunicação.

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Rochele Paz Fonseca - Rua Ary Tarragô, 1720 / casa 94 - 91225-001 Porto Alegre RS - Brazil. E-mail:

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