Dictionary of Hallucinations

REPORTED AUDITORY SENSATION

(RAS)
A term introduced during the early 1960s in an attempt to operationalize what is actually measured in studies of " auditory hallucinations and auditory " imagery. For a discussion of the rationale behind the introduction of this notion, see the entry Reported visual sensation (RVS).
References
Myers, T.I., Murphy, D.B. (1960).Reported visual sensation during brief exposure to reduced sensory input. Research memo from the Human Resources Research Office, George Washington University. Alexandria, VA.