The researchers hope their study could help people with mental disorders such as schizophrenia.
Hallucinogenics could change how the brain shoots off signals, according to scientists who gave mice a psychoactive substance.
Cris Niell, a lead author of the study and an associate professor at the Institute of Neuroscience at the University of Oregon, commented:"You might expect visual hallucinations would result from neurons in the brain firing like crazy, or by mismatched signals. We were surprised to find that a hallucinogenic drug instead led to a reduction of activity in the visual cortex."
The team hooked up the mice to equipment so they could monitor the activity of their neurons after they took the drug, and as they were shown images. Dr. Guillermo Horga, an assistant professor of clinical psychiatry at Columbia University Irving Medical Center and co-author of a study published in the journal Current Biology, commented at the time: “Our brain uses prior experiences to generate sensory expectations that help fill in the gaps when sounds or images are distorted or unclear.
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