To study how auditory and verbal hallucinations work, Swiss scientists developed a robotically-assisted technique to make people who have no history of mental illness hallucinate voices that are not there. In an interview with PsyPost, study co-author and University of Geneva postdoctoral researcher Pavo Orepic explained that the experimental method, which included a poking robot […]
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Some years ago, scientists in Switzerland found a way to make people hallucinate. They didn’t use LSD or sensory deprivation chambers. Instead, they sat people in a chair and asked them to push a button that, a fraction of a second later, caused a rod to gently press their back. After a few rounds, the volunteers got the creeping sense of someone behind them. Faced with a disconnect between their actions and their sensations, their minds conjured another explanation: a separate presence in the r