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A Conditioned Behavioral Paradigm for Assessing Onset and Lasting Tinnitus in Rats

Fig 4

Baseline licking rates of eventual tinnitus(+), tinnitus(-), and control (ctrl) rats during different narrowband sound trials (A-E).

Tinnitus(+) refers to rats that later exceeded 1 lick/trial for one or more silent trial categories over weeks 5 through 7 weeks following noise exposure; tinnitus(-) refers to noise-exposed rats that did not meet that criteria. For all rats, licking rates did not significantly change between training sessions 14 through 16. These rates were comparable between all groups of rats.

Fig 4