Humans 8 Tinnitus 8 human 8 tinnitus 8 Pain 6 Phantom perception 6 nonhuman 6 review 6 Anticonvulsants 4 Antidepressants 4 Anxiolytics 4 Auditory system 4 GABA 4 Glutamate 4 Hearing 4 Inner ear 4 NMDA 4 Treatment Outcome 4 amitriptyline 4 anticonvulsive agent 4 antidepressant agent 4 clinical trial 4 clonazepam 4 depression 4 neramexane 4 placebo 4 quality of life 4 unindexed drug 4 2,3 dihydro 5 methyl 3 (morpholinomethyl) 6 (1 naphthoyl)pyrrolo[1,2,3 de][1,4]benzoxazine 2 4 (1,1 dimethylheptyl) 1',2',3',4',5',6' hexahydro 2,3' dihydroxy 6' (3 hydroxypropyl)biphenyl 2