https://owlcation.com/social-sciences/Psychology-of-Crime-Why-do-people-become-criminals
Psychology of Crime: Why Do People Become Criminals?
Psychological theories of crime
Many people have their own theories on what makes a criminal. Some of these theories are based on first hand knowledge or experience, some unfortunately may be based on racism or prejudice, and some on scientifically investigated studies.
And there are several psychological theories of crime, most of which have been shown to have a sound scientific basis. However, it is widely accepted that the reasons for crime are seldom one cause or the other, but rather a combination of some.
Brain Chemistry.
Serotonin is a neurotransmitter in the brain that affect mood, which in turn can affect criminal behaviour. Testosterone, the male hormone, is linked to levels of aggression. Omega 3 has been shown to lower levels of aggression, and poor nutrition before the age of 3 has also been linked to higher levels of aggression. All of these come under the heading of Brain Chemistry and all have a link to criminal behaviour.
Brain Structure and Anatomy:
The part of the brain associated with or emotions is called the Amygdala (am-ig-d-la). It is believed that damage to the Amygdala can have an effect of criminal behavior. [3] This may be because the person concerned would have a limited fear and conditioning response, thus fear of punishment would not deter them from committing a crime.
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