Causal is an interactive video installation that explores conditioned reactions as they relate to control, the senses and the nervous system. Using infrared motion detector sensors with customized software, the image of a plastic encased and tightly bound body is projected into a platform container from directly overhead. As the participant moves around the body, the constricted body writhes and reacts to the external sensory data and moves toward the visitor. The participant becomes emotionally implicated as the sensors track his/her movements in space and thus becomes viscerally engaged with the integral positioning of the body. The simultaneous sense of dominance and helplessness that the viewer may experience holds them in a pattern of both action and reaction.