The Boston Globe has a cool infographic by Jonah Lehrer and Javier Zarracina, describing five simple ways in which sensory perception can be altered using everyday objects. These include the Ganzfeld procedure, a mild sensory deprivation technique which leads to visual or auditory hallucinations; the Pinocchio illusion, in which one’s nose is perceived as being incredibly long; and the rubber hand illusion, whereby one can be fooled into thinking that a fake hand is a part of one’s own body.