How does this occurs and what are anatomical variant occurs in our body.
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well even there is a flower are there that produce hallucinations
Hallucinations occur when the brain generates sensory experiences without external stimuli, often due to neurotransmitter imbalances (like dopamine) or brain dysregulation, causing it to misinterpret internal signals as real.
Causes range from mental health conditions (schizophrenia) and neurological disorders (Parkinson’s) to substance use and sleep deprivation.