ABSTRACT

This chapter demonstrates the important role that spatial correspondence plays in modulating audiotactile interactions in warning signal design; in particular, its role in eliciting enhanced multisensory facilitation in the automatic disengagement and orienting of an interface operator’s spatial attention. One of the characteristics that define any potential facilitation resulting from multisensory interaction relates to the spatial positioning of the multisensory stimuli. Researchers have assessed the spatial cuing effects of particular combinations of cue and target stimuli by measuring the change in the perceptual salience or behavioural responses to the target stimuli as a function of whether the cue was presented on the same or opposite side or location to the target. J. D. Lee et al. assessed the effectiveness of multisensory warning signals in terms of their ability to re-engage a distracted driver’s attention during adaptive cruise control when driver intervention might be necessary.