Susceptibility to auditory hallucinations is associated with spontaneous but not directed modulation of top-down expectations for speech
Neuroscience of Consciousness February 1, 2022 Ben Alderson-Day, Jamie Moffatt, César F. Lima et al.
Abstract Auditory verbal hallucinations (AVHs)—or hearing voices—occur in clinical and non-clinical populations, but their mechanisms remain unclear. Predictive processing models of psychosis have proposed that hallucinations arise from an over-weighting of prior expectations in perception. It is unknown, however, whether this reflects (i) a sensitivity to explicit modulation of prior knowledge...