Brain dysfunction and community violence in patients with major mental illness: association between violent/aggressive behaviour and head injury, neuropsychological deficits and neurodevelopmental abnormalities, substantial number of closed-injury patiens exhibited aggressve behaviour durin the. Association between diminished csf-5hi concentrations and frontal damage. Substance abuse disorder that antedates the tbi may be associated with frontal and serotonergic dysfunction: early, untreated head injury was associated with violent offending, violene and mental illness. Prefrontal and temporal deficits are associated with violence. Violent behavior is associated with diminished neural activity in frontal and temporal regions. Patients with major agression who were prone to anger attacks -> less pet- derived reciprocal inhibition between ventromedial prefrontal cortex and the amygdala. Greater lateral ventricle volume in violent and and nonviolent males with schizophrenia: orbitofrontal hypofunction contribute to the occurence of aggressice behavior among patients with psychiatric disorders, violence and neurodevelopmental risk factors. Combination of birth complications and maternal rejections are associated with violent crime in adulthood.