Editorial: Towards an Understanding of Tinnitus Heterogeneity

[...]while there are multiple ways of perceiving tinnitus, it is also associated with multiple causal risk factors—hearing loss, temporomandibular joint disorder, and aging being among the most common ones. Within this topic, current knowledge is reviewed and new theories of tinnitus generation are proposed, animal models are used to understand the neural correlates better, audiological, and psychological aspects are explored, neuroimaging techniques investigate the involved brain networks, new questionnaire instruments are developed and others adapted to new languages, genome-wide associations are pioneered, mobile applications are used to explore tinnitus on new time-scales, and, finally, multiple therapeutic approaches are tested. [...]the fifth chapter refers to advances on tinnitus therapies. Age-related hearing loss and tinnitus can go hand in hand and one of the most well-established theories considers tinnitus as the perceptual consequence of neuronal hyperactivity in the central auditory system; emerging after loss of normal input from the ear.