| acousma | Rarely used term for an auditory hallucination in which indefinite sounds, such as ringing or hissing, are heard. Synonym: acouasm. Origin: G. Akousma, something heard (05 Mar 2000) |
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| acousmatamnesia | Rarely used term for a loss of memory for sounds. Origin: G. Akousma, something heard, + amnesia, forgetfulness (05 Mar 2000) |