Abstract
User interaction and multimodal behaviour have been argued as viable indicators of cognitive load. We extend this idea to explore interactive mouse behaviour for the same. Though mouse dynamics is generally being explored as a biometric technology, we intend to adapt and enhance this usage for detecting pattern changes in user behaviour as cognitive load is varied. The scope of this paper is limited to analysing mouse interaction data generated during a larger multitier experiment (aimed at investigating effects of cognitive load on organisational trust). Mouse events data is from 88 subjects, each of which completed two different tasks (labelled T1 & T3) twice (under randomized order of high and low cognitive load levels). High cognitive load was induced using standard dual-task design. This paper brings forth core issues in mouse activity analysis and focuses on pause/break activity as possible indicator of cognitive load (in the context of performed experiment). Significant differences were found in extracted features from contemplation and hesitation type pause categories and future course of study charted.
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