Tinnitus is spoken of as if it were a single thing, but there are many different causes, likely many different mechanisms, and many different subtypes. This article reviews a broad range of approaches to understand and demarcate different tinnitus subtypes, which will be critical for exploring and finding cures for different subtypes.
Keywords: Classification of tinnitus; Hearing loss and tinnitus; Tinnitus causes; Tinnitus subtypes.
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