A range of interaction styles is used in the probes. All aim to be intuitive either by
providing a well known interface or providing affordances for basic human interaction
skills such as grabbing, lifting, or shaking an object. Chrono TV comes with a
simple remote control for people with dementia with an on-off button and buttons for
changing the channel and volume and an advanced remote control for caregivers offering
functions to select a decade, a program or pausing a show, e.g. to be able to
discuss the content with viewers. The Interactive Book can be used like a normal
book by turning the pages. Additionally, it is augmented with different audio files per
page (automatically recognized). The user can trigger the audio by pressing pictures
in the book. The Music Teddy contains a gyroscope sensor, and plays back a random
track when being sat up from a lying position