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2.2.1 - Biological theories of criminality
2.2.1.1 - Physiological theories
2.2.1.1.3 - Brain Abnormalities
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McIssac et al. 2016 : People who suffer from head injuries are twice as likely to end up in prison
Personality
and
behaviour
may be greatly affected by brain injuries
Brain injuries may cause:
Extravagance
Anti-social
behaviour
Bad
language
Bad
manners
Liar
tendencies
Phineas Gage is an example of
brain injury
causing criminality
Phineas Gage
survived a
railway
accident in which a
metal rod
went through his head and destroyed most of his
left frontal lobe
of his brain
Damage to the prefrontal cortex of the brain may cause:
Increased loss of
self control
Being more
immature
Inability to modify behaviour
Intake of substances (
alcohol
,
cannabis
,
MDMA
,
LSD
) can cause
brain
abnormalities
Saunders: Around
1,000
arrests per day are linked to
alcohol
In the USA,
80
% of family violence cases involved
alcohol
Cocain
e and 'crack' are closely linked to violence
Steroids
can cause extreme violence when taken in large amounts;
'Roid range'
Horace Williams
was an American bodybuilder who beat a man to death after taking
2,000
time the recommended dosage of
steroids