A landmark study reveals that hallucinations in schizophrenia are caused by a neural glitch that makes a person unable to recognize their own inner voice.
For decades, the 'voices' experienced by people with schizophrenia were thought of as mysterious, phantom sounds, but a landmark study has finally confirmed they are actually the brain mishearing its own internal dialogue.
Using EEG to track brainwave activity in 142 participants, researchers at the University of New South Wales discovered that the neural mechanism responsible for identifying self-generated speech fails in those who hallucinate.
Typically, when a person thinks or speaks silently to themselves, the brain predicts the sound and dampens the response of the auditory cortex. In patients experiencing hallucinations, however, this dampening mechanism, called corollary discharge, breaks down, causing the brain to react to internal thoughts as if they are coming from an external source.
This groundbreaking discovery provides the first direct biological evidence of a 50-year-old theory, transforming our understanding of the root causes of psychosis. By establishing that auditory verbal hallucinations are caused by a measurable brain prediction error, scientists hope to develop the first-ever lab-based biomarkers for schizophrenia. Currently, there are no blood tests or brain scans to uniquely diagnose the condition, meaning this EEG-based breakthrough could pave the way for early detection tools. Identifying these neural misfires before full psychosis develops could allow clinicians to intervene years earlier, fundamentally changing how the disorder is treated and managed worldwide.
source: Whitford, T. J., et al. Corollary Discharge Dysfunction to Inner Speech and its Relationship to Auditory Verbal Hallucinations in Patients with Schizophrenia Spectrum Disorders. Schizophrenia Bulletin.
#BREAKING: Saudi Arabia’s National Early Warning Platform announces that the potential danger in Jeddah, Taif, Yanbu, Abha, Jazan and AlUla has passed.
The average cat's reaction time is approximately 20-70 milliseconds, which is faster than the average snake's one (44-70 ms).
The average human reaction time si about 250 ms
🇮🇷🇮🇳 Iranian President Pezeshkian is addressing the BRICS Summit.
Behind him, India’s Foreign Ministry spokesman Randhir Jaiswal is absolutely demolishing a box of nuts.
Eating. Licking his fingers. Going back in.
Eventually, someone takes the box away.
A diplomatic intervention in the truest sense.
Writer: Oliver
x.com/rusenpress/sta…
UNUSUAL🚨: Scientists discover that silence regenerates the brain─ being in complete silence for at least 2 hours a day can stimulate the creation of new brain cells, especially in regions linked to memory and learning.
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