What is Piecewise Affine Models

This chapter is about the effects on perception of joint sensory stimulation. It shows that by combining various simultaneous stimuli, it is possible to elicit a psychophysiological effect that is different from the sum of the responses of each stimulus alone; in particular, a new cortical response is elicited besides the ones pertaining to each stimulation modality. This is believed to be particularly useful when designing mobile interfaces because of their needs to be maximally informative while minimally intrusive. Moreover, no technologic additional requirements are necessarily needed, besides proper synchronization protocols, with respect to standard technology, once more showing that often improving is a question of properly combining existing knowledge.