Tinnitus background noise to one that can be heard even over loud external sounds. The specific type of tinnitus called pulsatile tinnitus is characterized by hearing the sounds of one's own pulse or muscle contractions, which is typically a result of sounds that have been created by the movement of muscles near to one's ear, or the sounds are related to blood flow of the neck or face. Due to variations in study designs, data on the course of tinnitus showed few consistent results. Generally the prevalence increased with age in adults, whereas the ratings of annoyance decreased with duration. Persistent
Body without organs But every actual body also has a virtual dimension: a vast reservoir of potential traits, connections, affects, movements, etc. This collection of potentials is what Deleuze calls the BwO. The full body without organs is "schizophrenia as a clinical entity" ("Anti-Oedipus," p. 310). This drop in intensity is a means of blocking all investments of reality: "the unproductive, the sterile, the unengendered, the unconsumable" ("Anti-Oedipus," p. 9). Unlike other social machines such as the Body of the Earth, the Body of the Despot or the Body of Capital, the full body without organs cannot inscribe other bodies. The body without