Poor diet, mental illness, bad brain chemistry, and even evolutionary rewards for aggressive criminal conduct have been proposed as explanations for crime. A new field of research, called neurocriminology applies to brain imaging techniques and crime. According to CT scans and MRI’s, criminals experienced less brain reaction to dangerous situations than most people. Research on brain activity investigated the role of neurochemicals, substances the brain releases to trigger body activity, and hormones in influencing criminal behavior. Someone with psychiatric disorders have stronger chances to commit crimes. Antisocial personality disorder is a mental condition in which a person's ways of thinking, perceiving situations and relating to others
