People who sustain a traumatic brain injury (TBI) may experience common
psychiatric issues such as depression, anxiety, and personality changes.
Recent research suggests that TBI may also be a risk factor for less common
psychiatric diagnoses, such as psychosis and late-onset development of
schizophrenia. However, it has been difficult to conclude if a TBI causes
the psychosis or if individuals with psychosis are more prone to sustain a TBI.
A recent study investigated the causal relationship between TBI and psychosis.
Researchers assessed 747 participants with clinical high risk for psychosis
(CHR) and 278 healthy controls (HCs) for history of TBI, age at first
and most recent injury, TBI severity, psychotic symptoms, IQ, and history
of bullying/emotional trauma.
The study found that:
- The CHR group experienced mild TBIs more often than the HC participants.
- CHR participants who had experienced a mild TBI experienced greater emotional
trauma due to bullying than those who had not experienced a TBI.
- CHR participants who did experience psychosis were significantly younger
when they experienced their first TBI than those who did not experience
A history of mild TBI is more common in individuals with a high clinical
risk for psychosis than in individuals with low risk. Clinicians should
account for each patients’ risk of psychosis when treating TBI.
Source: Deighton S, Buchy L, Cadenhead KS, et al. Traumatic brain injury
in individuals at clinical high risk for psychosis. Schizophrenia Research.
If you or someone you know has sustained a traumatic brain injury after
a preventable accident,
contact a San Francisco brain injury lawyer at Scarlett Law Group.