Abstract
Right-brain-damaged individuals may present discursive, pragmatic, lexical-semantic and/or prosodic disorders.ObjectiveTo 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.MethodsA 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.ResultsSignificant 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.ConclusionsA right-brain-damage effect was identified directly, on three communication processes: discursive, lexical-semantic and prosodic processes, and indirectly, on pragmatic process.
Highlights
Right-brain-damaged individuals may present discursive, pragmatic, lexical-semantic and/or prosodic disorders
To achieve this the evaluation of communicative processing has been based on the Montreal Communication Evaluation Battery diagnostic tool – MAC Battery,[20] which corresponds to the Brazilian version of the Protocole MEC,[1] the first instrument adapted to Brazilian Portuguese for examining communication following Right hemisphere (RH) brain damage.[21]
Two factors have probably led to this gap in the Brazilian literature: 1) the lack of specific instruments to evaluate disturbances linked to the RH adequately adapted to the Brazilian social, linguistic and cultural setting; and 2) low dissemination in Brazil of knowledge regarding the Right Hemisphere Syndrome – a set of cognitive, communicative and behavioral signs and symptoms following a neurological disorder in the RH
Summary
Right-brain-damaged individuals may present discursive, pragmatic, lexical-semantic and/or prosodic disorders. To the best of our knowledge, the present study is a pioneer investigation in Brazil verifying the effect of RH damage in a group with lesion on this side of the brain, by simultaneously evaluating the four communicative components affected in this population: discursive, pragmatic, lexical-semantic and prosodic components To achieve this the evaluation of communicative processing has been based on the Montreal Communication Evaluation Battery diagnostic tool – MAC Battery (in Portuguese, Bateria Montreal de Avaliação da Comunicação – Bateria MAC),[20] which corresponds to the Brazilian version of the Protocole MEC,[1] the first instrument adapted to Brazilian Portuguese for examining communication following RH brain damage.[21] Two factors have probably led to this gap in the Brazilian literature: 1) the lack of specific instruments to evaluate disturbances linked to the RH adequately adapted to the Brazilian social, linguistic and cultural setting; and 2) low dissemination in Brazil of knowledge regarding the Right Hemisphere Syndrome – a set of cognitive, communicative and behavioral signs and symptoms following a neurological disorder in the RH
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