Abstract
Driving automation is intended to improve safety while minimizing driver mental workload. Misunderstanding among drivers and inconsistencies among manufacturers regarding the nuanced functionalities and limitations of ADAS hinder this goal. Violation of driver expectations about how an ADAS performs, particularly during critical moments, could inadvertently increase workload at critical times. The aim of the present study was to assess mental workload, indexed by the P300 event-related potential (ERP) as drivers engaged novel driving automation features. P300 amplitude indicated significantly higher workload when monitoring two versus one ADAS components.
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