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The Influence of Interrupted Position on Sequential Human-Computer Interaction Tasks - Combination of Behavior Data Analysis and EEG Analysis

Different interruption positions and complexity of interruption tasks has different effects on the performance and mental workload of users in sequential main tasks. This paper designed the human-computer interaction experiment under the interruptionsituations with different interruption positions and different complexity, combined the EEG equipment to measure the changes of the user's mental workload when the task was interrupted, and analyzed the effects of the interruption positions and the complexity ofinterruption tasks on the operational performance and mental workload, as well as its internal mechanism. The results showed that the interruption near the middle position led to significant increases in the error rate, resumption lag time and mental workload; complex interruption tasks resulted in an increase in the sequence error rate and an increase in mental workload. Research showed that the interruption had a negative effect on the performance of sequential main tasks, and also brought about changes in mental workload, which has a certain guiding significance for the design of human-computer interaction interrupt interface and the improvement of interruption management ability.