Right hemisphere appreciation of prosodic and linguistic indications of implicit attitude

Appreciation of attitudes conveyed through prosodic cues and lexical content was examined in subjects with temporal lobe seizure foci. One task involved auditory judgments of the consistency of verbal and intonational meaning of sentences. Errors on judgments of consistent verbal and prosodic stimuli were not only more frequent in the right temporal group than in left temporals or controls but were strongly related to neuropsychological indices associated with extent of right temporal involvement. Answering questions based on written narratives in which multiple attitude markers were either redundant or conflicting comprised the second task. Right temporal patients as a group had difficulty in answering inferential questions about paragraphs with inconsistent indicators of attitude. Even low-scoring right temporals were able, however, to answer inferential and factual questions when the verbal context markers consistently reinforced a particular attitude.