Physiological and non-physiological explanations of criminal behaviour Flashcards
Name the three Biological explanations for crime
1) Extra chromosomes
2) Low resting heart rate
3) Warrior gene
What is the link between crime and extra chromosomes?
Normal males have XY chromosomes.
Criminals have XYY chromosomes, which makes them more aggressive.
What percentage of Extra chromosome males make up the prison population?
1.5% prison population compared to 0.001% of the general population.
What is the warrior gene?
•The warrior gene is something your born with.
•Increases your risk taking
•Greater levels of aggression when provoked
Give an example of the warrior gene
Bradley Waldroup:
•Killed wife’s friend and seriously injured wife
•Defence argued he had warrior gene
• Jury gave him 32 years in prison , Voluntary manslaughter
How does low resting heart rate link with criminals?
•Low resting heart rate is under 60bpm
•Can withstand more stress
•Require extreme risk to get a buzz
•May turn to crime
What are the two Non-biological explanations for crime?
•Banduras- Social learning theory
•Sutherland-Differential association theory
What is Banduras SLT link with crime?
Social learning theory-
•Imitate role models criminal behaviour
•The role model legitimises behaviour
•Raised in these conditions can normalise the behaviour
How is Sutherlands theory linked to crime?
Criminal behaviour is a learned response.
What is Sutherlands nine key ideas in summary?
•Learn criminal behaviour through a group(gang)
•Norms are favourable to criminal activity (terrorist groups)
•Individual in contact with a person favourable of crime,becomes acceptable.
•Acquire from social group techniques to break the law.