Biological explanations of crime and anti-social behaviour
- Created by: spyfire14
- Created on: 29-06-18 10:35
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- Biological explanations of Crime and Anti-social behaviour
- Introduction
- Application of psychological knowledge to understand crime and anti-social behaviour
- Crime is an act that is against the law
- Recidivism is persistent reoffending
- Anti-social behaviour is acting in a manner that caused or could cause harassment, alarm or distress
- Male age crime curve shows that most criminal behaviour occurs between ages 14-25 with a peak of 17
- Gender difference
- Evolution - Males have evolved to become violent risk takers. Females evolved to become carers
- Social Learning theory - Bandura says people are more likely to copy same-sex models.
- Brain Injury
- Types of brain injury
- ABI - Acquired Traumatic Brain Injust
- Caused by a force eg blow to the head
- ABI - Acquired Traumatic Brain Injust
- Brain
- Pre-Frontal Cortext
- Stops inappropriate behaviour. Problem solving. Motivation
- Frontal Lobe
- Memory. Control in voluntary movement
- Pre-Frontal Cortext
- Phineas Gage
- Got an ABI after an explosion resulting in a metal rod through his brain
- Change in personaltiy. Likeable man -> Rude and vulgar
- Personality returned to normal over time
- Gender difference
- Evolution - Men got into more fights to impress the femals
- Types of brain injury
- Amydala
- Located in the limbic system
- Cannon et al severed neuron connections in cat's brains
- Charles Whitman
- Had cancer in the limbic system
- Killed 14 people in a mass shooting at Uni of Texas
- Reine et al
- To see if there is a difference in brain function between murderers and non-murderers
- There was reduced activity in the pre-frontal cortex for murderers
- XYY
- 1 in 1000 males
- Extra Y chromosome - 47 chromosomes in total
- More physically active
- Lower intelligence and behaviour problems
- No evidence of a criminal gene
- Personality
- Eysenck
- Extraversion - Outgoing, socialable
- Psychotocism- Aggressive, Lack of empathy, cold
- Neuroticsm- Tough, aggressive, moody
- Eysenck personality inventory (EPI)
- Personality is based on biological factors which suggests there is no free will
- Reliable as Tiwari et al(2012) achieved similar results
- Stable characteristict that underlie consistencies in the way we behave
- Eysenck
- Introduction
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