Influence of prior and subsequent context on comprehension in aphasia

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Abstract
Previous research has demonstrated that patients with aphasia benefit from context that occurs prior to target information, particularly if it predicts the forthcoming information. However, contextual information frequently occurs concomitantly with or following target information. This study assesses aphasic patients' ability to benefit from context that occurs before or after target information. The results demonstrate that both contextual conditions generate significantly better comprehension than is achieved by presenting the target information by itself. Simply repeating the target information once does not generate significantly better comprehension. These results indicate that patients with aphasia can integrate both target and contextual information, regardless of order, before responding.