Short answers, pulled from the story.
The earliest recorded instance of psychosis was documented in the year 1500 BC by an ancient Egyptian scribe. This account appears in the Ebers Papyrus and describes a man hearing voices that were not there.
Auditory hallucinations affect up to 70% of patients with schizophrenia. These hallucinations are the most common manifestation of the condition and involve hearing three distinct voices on average.
Egas Moniz received the Nobel Prize in 1949 for his work on the leucotomy. He popularized the procedure after Swiss psychiatrist Gottlieb Burckhardt performed the first medically sanctioned psychosurgery in 1888.
Social context shapes the interpretation of hallucinations through a concept known as social kindling. Western cultures tend to report violent or religiously charged voices, while communities in India and Cambodia may describe them as kin or family members offering advice.
Individuals with psychotic symptoms are three times more likely to have experienced childhood trauma than those in the general population. This relationship appears to be causal, with multiple traumatic events compounding symptom expression and severity.
The National Institute for Health and Care Excellence in the U.K. recommended preventive cognitive behavioral therapy for people at risk of psychosis in 2014. Early Intervention Services have been shown to be superior to therapy as usual for early-phase psychosis.