
Chapter | 12 Multimodal Input
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12.3 MULTIMODALITY, COGNITION AND
PERFORMANCE
The close relationship between multimodality and cognition exists
on a number of levels. First, psychological and cognitive theories of
multimodal processing, together with recent neurological evidence,
can provide a biological and evolutionary perspective to explain the
advantages of multimodal interaction. The classic example is the
study of interpersonal dialogue. Second, the literature reveals that
cognitive processes and user performance are closely linked. The
capacity of working memory can impose severe limitations on perfor-
mance and learning. Cognitive load theory ...