National Ict Australia Limited

Natalie Ruiz

Fang Chen

Eric Choi

This invention concerns a method for measuring cognitive load of a person in performing a task. In other aspects the invention can be expressed as a computer and as software that are used to perform the method. The computer () has an interface having a plural number of unimodal input (to) and output devices, and a cognitive load analyzer (). The analyzer comprises a receiver to receive input data signal streams (and) from respective devices (and). A classifier (to), (to) and (to) is also provided to identify predetermined 'meta-interaction patterns' from the streams (and), and to weight the identified predetermined 'meta-interaction patterns' to produce respective weighted outputs. A combiner () to fuse the outputs to produce a measure indicating the person's cognitive load.

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Surry Hills, Australia

Natalie Ruiz