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 gestation of a formation yet to come, and the potential formation of many actualities from a single origin. In "Anti-Oedipus" Deleuze and Guattari expand the Body without Organs image by comparing its real potentials to the egg's : The body without organs is an egg: it is crisscrossed with axes and thresholds, with latitudes and longitudes and geodesic lines, traversed by gradients marking the transitions and the becomings, the destinations of the subject developing along these particular vectors ("Capitalism and Schizophrenia", p. 19). For Deleuze and Guattari, every actual body has a limited set of traits, habits, movements, affects, etc.