"Auditory hallucinations" refers to hearing sounds, voices, or noises that aren't really there. It's when someone hears things that no one else can hear. Full definition
As well as losing weight, they experienced reductions in auditory hallucinations and delusions, had a better mood and had more energy. (everywomanover29.com)
12:15 Functional neuroimaging: promises and challenges — unravelling the neuroscience of auditory hallucinations in schizophrenia Kenneth Hugdahl, Professor, Department of Biological and Medical Psychology, University of Bergen Short introduction by Cecilie Morland, PhD student, UiO (cmbn.no)
What was necessary was auditory hallucination for the purpose of civil cooperation. (religion.blogs.cnn.com)