The human female subject laughs without restraint. She laughs for no reason. Her laughter is uninhibited and excessive. She laughs and throws her body around. Her laughter turns to a kind of hysterical emotional cackling. The laughter. Engage in this psychophysical action as she laughs and keeps laughing. The drive to excessive laughter is usually brought on by humor. However, there is nothing inherently humorous about this action. It's more of a compulsive action. The compulsive action of laughter, when presented in this context, takes on a life of its own... a new meaning of experience. The experience transports the viewer into a state of heightened sensation. This is the essence of our psychophysical slit rituals. Thank you for joining us in our research.