Tinnitus or "vibratory" tinnitus. Subjective tinnitus is the most frequent type of tinnitus. It can have many possible causes, but most commonly it results from hearing loss. When the tinnitus is caused by disorders of the inner ear or auditory nerve it is called otic (from the Greek word for ear). These otological or neurological conditions include those triggered by infections or drugs. A frequent cause is noise exposure that damages hair cells in the inner ear. When there does not seem to be a connection with a disorder of the inner ear or auditory nerve, the tinnitus is called nonotic
Body part as an object group with average 7.2 years of formal education) make significantly more BPO errors than the average adult population. It has been found that BPO errors (i.e. use of BPO pantomimes in place of the IO pantomimes dominant in typical adult individuals) are made by patients with schizophrenia. Given that BPO errors are associated with apraxia, and that past research has indicated that schizophrenic patients have apraxia-like symptoms, this is perhaps not a surprising finding. This BPO-schizophrenia association has not been extensively explored to date, and more research is required in order to better understand it. Body part as an object