
Chapter | 12 Multimodal Input
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Intrinsic load: It refers to the cognitive load created by the con-
ceptual complexity of the task and cannot be easily changed [34].
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Extraneous load: It is the load created by the representation of the
task and can be easily manipulated by changing the format of the
presentation modalities and design [34].
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Germane load: It is said to be caused by the conversion of
novel information into schema and then stored in long-term
memory [34].
The connection between cognitive load and multimodal process-
ing can be traced back to an early recurring observation reported
in the literature, dubbed the ‘modality effect’. It was ...