Psychosis: What It Actually Is
Psychosis happens when the brain stops checking with the group chat before sending out alerts. Normally the brain asks, “Is anyone else seeing this?” but during psychosis it just posts whatever it wants with zero proofreading. You know when a teacher insists they assigned homework you are positive did not exist. Psychosis is like that, except instead of homework, it is your brain insisting someone is spying on you through a toaster.
Psychosis is when your brain gives you extra thoughts or perceptions that feel real but are not shared by the world around you, and with the right help, your brain can get back on track.
Here are a few numbers that clarify things:
- Average number of CIA agents following the typical American: zero.3
- Number of people who feel watched during psychosis: far from zero.4
- Number of independent witnesses confirming the hallucination: zero.
- Brain’s confidence in its hallucination anyway: one hundred percent.5
As Kay (Katherine) Redfield Jamison, clinical psychologist and writer on mood disorders, writes, “The brain is a miraculous thing, but it is not always a reliable narrator.”3 Psychosis is the moment the narrator stops fact checking.
Paranoia: The Feeling That Lies
Paranoia is a feeling, not a fact. It is “someone is after me” energy with the investigative accuracy of a raccoon digging through recycling bins. Real danger tends to be obvious or boring or both. Psychotic danger feels cinematic, personal, and suspiciously specific. No villain is breaking into your home to steal exactly one shoe. Your brain wrote that plot twist for no reason.
- Frequency of paranoia being accurate in normal life: occasionally.4
- Frequency of paranoia being accurate in psychosis: almost never.4
- Emotional intensity of paranoia in both situations: ridiculous.5
Maria Bamford, stand-up comedian who talks openly about her own mental health, puts it perfectly: “My brain is like a bad neighborhood. I try not to go there alone.”6
Other Kinds of Psychosis Besides Paranoia
Paranoia gets all the attention because Hollywood cannot resist a good conspiracy. But psychosis has many more features than “someone is after me.” You might hear a voice even though the room is quieter than a museum basement.7 You might see shapes, shadows, flashes, or entire people who were not invited.8 You might smell smoke when nothing is burning9 or taste metal while eating a sandwich.9 You might feel things on your skin that are not there, like bugs crawling or electricity buzzing.10 You might also assign special meaning to ordinary things, like believing the radio DJ is sending coded messages or that the streetlights blink in a pattern meant only for you.13
As Jerry Garcia, guitarist and lead singer of the Grateful Dead, said when describing perception, “You don’t want to be in the driver’s seat when you are going where you don’t want to go.”11 Psychosis happily grabs the wheel and does not ask for directions.
Illusions and Delusions: The Brain’s “Wait, What” Moments
An illusion is the brain misreading something real.12 A delusion is the brain insisting something is real even when the evidence does not cooperate.13
Illusions are normal. You realize your coat hanging on the door is not a man in a dark coat once you flip the switch. Delusions are different. If one person says, “A guy named Noah built a giant ark and gathered one of every animal on Earth,” that belief meets criteria for a delusion. If millions believe it, that is religion. The logic has not changed. Only the headcount has.13
As John Mulaney, stand-up comedian and writer, notes, “If it’s just you alone believing something wild, you’re crazy. If a thousand people believe it with you, you’re a prophet.”6 Psychiatry would like a word.
How People Misuse “Psychotic” and “Schizophrenic”
People use the words “psychotic” and “schizophrenic” incorrectly, loudly, and with no interest in accuracy. Online arguments including “You are psychotic” are infinite, yet instances involving actual psychosis in those arguments are effectively zero.14 These are medical terms. Not spicy synonyms for “annoying.”15
How Someone Becomes Psychotic
Psychosis is not a personality flaw. It is something brains can do when they are stressed, sleep-deprived, sick, overwhelmed, or genetically unlucky. Brains are overworked interns. They try very hard. Then one day they start filing “possible danger” in the same folder as “my lamp is sending coded messages.”
- Nights without sleep before anyone gets weird: two.16
- Nights before hallucinations start: three or four.16
- Brains that tolerate unlimited stress: zero.17
Mental Conditions and Probability
Just because an illness can feature psychosis does not mean everyone with that illness gets the “deluxe hallucination package.”
- Bipolar Disorder: About one-third experience psychosis.19
- Major Depression: Only 10–15% of severe cases have psychotic features.20
- PTSD: A minority of patients develop psychotic symptoms.17
- Substance Use: Cannabis induced psychosis happens in a small but significant percentage.21 Meth and cocaine hand out psychosis like Halloween candy.22
- Schizophrenia Spectrum: Psychosis is required for diagnosis (100%).14
Can Extreme Anxiety Cause Psychotic Symptoms?
Short answer: yes, but anxiety does not usually create full psychosis. It creates psychosis-adjacent nonsense. Extreme anxiety can lead to misreading shadows, hearing noises, or racing “alien” thoughts.23 The key difference is simple: Anxiety bends reality. Psychosis breaks it.
What Helps
Psychosis is treatable. Medication helps.25 Sleep helps. Reducing substances helps. Early intervention helps the most.18 Most people improve with treatment.25 As Jerry Garcia said, “Somebody has to do something, and it is incredibly pathetic that it has to be us.”11 Fortunately, when it comes to treatment, doing something actually works.
Psychosis is when your brain gives you extra thoughts or perceptions that feel real but are not shared by the world around you, and with the right help, your brain can get back on track.
REFERENCES
1. Carlin, G. Brain Droppings. New York: Hyperion, 1997. ↩
2. Vonnegut, K. Mother Night. New York: Harper & Row, 1962. ↩
3. Jamison, K. R. An Unquiet Mind. New York: Knopf, 1995. ↩
4. Freeman & Garety, “Understanding persecutory delusions,” Soc Psychiatry Psychiatr Epidemiol 49 (2014), pp. 1179–1189. ↩
5. Corlett & Fletcher, “Computational psychiatry,” Lancet Psychiatry 1(5) (2014), pp. 399–402. ↩
6. Bamford, M.; Mulaney, J. Stand-up specials. Comedy Central Records, 2012–2013. ↩
7. Waters, F. et al., “Auditory hallucinations,” Schizophrenia Bulletin 40 (2014), pp. S255–S264. ↩
8. Teunisse, R. J. et al., “Visual hallucinations in psychosis,” Comprehensive Psychiatry 37 (1996), pp. 103–110. ↩
9. Stevenson, R. J. et al., “Olfactory and gustatory hallucinations,” Frontiers in Psychology 2 (2013). ↩
10. Shergill, S. S. et al., “Tactile hallucinations in schizophrenia,” Psychological Medicine 28 (1998), pp. 685–692. ↩
11. Garcia, J. “The long, strange trip of Jerry Garcia,” Rolling Stone, No. 608 (1991). ↩
12. Gregory, R. L. Eye and Brain, 5th ed. Princeton University Press, 1997. ↩
13. Jaspers, K. General Psychopathology. Johns Hopkins University Press, 1997. ↩
14. APA. Diagnostic and Statistical Manual of Mental Disorders (DSM-5-TR). Washington, DC: APA, 2022. ↩
15. Thornicroft, G. Shunned: Discrimination Against Mental Illness. Oxford University Press, 2006. ↩
16. Killgore, W. D. S. “Effects of sleep deprivation on cognition,” Progress in Brain Research 185 (2010). ↩
17. Tsuang, M. T. et al., “Risk factors for schizophrenia,” Molecular Psychiatry 7 (2002), pp. 3–17. ↩
18. van Os, J. et al., “A systematic review of the psychosis continuum,” British Journal of Psychiatry 194 (2009). ↩
19. Goodwin & Jamison, Manic-Depressive Illness, 2nd ed. Oxford University Press, 2007. ↩
20. Rothschild, A. J. “Challenges in MDD with psychotic features,” Schizophrenia Bulletin 39 (2013). ↩
21. Murray, R. M. et al., “Cannabis-associated psychosis,” Lancet Psychiatry 3 (2016), pp. 908–917. ↩
22. Darke, S. et al., “Psychotic symptoms in methamphetamine users,” Addiction 103 (2008). ↩
23. Bishop, S. J. “Neurocognitive mechanisms of anxiety,” Trends in Cognitive Sciences 11 (2007). ↩
24. Nichols, D. E. “Psychedelics,” Pharmacological Reviews 68 (2016), pp. 264–355. ↩
25. Leucht et al., “Antipsychotic drugs vs placebo,” Lancet 379 (2012); Kane et al., World Psychiatry 15 (2016). ↩
