3.1.1 Bio exp. 2 : Role of the Amygdala Flashcards
What is the amygdala associated with
Fear Conditioning
- children learn to inhibit agressive and antisocial behaviour through fear conditioning
- we learn to associate being angry with certain punishments or negative outcomes
Give an example of Fear conditioning
The fear of strangers- ‘Stranger danger’
What can dysfunction of the amygdala cause for children
The child can’t identify the social cues that indicate threat, cues that the child should be scared and therefore not act in an aggressive manner.
individuals seem: fearless, overly aggressive, antisocial, impulsivity
Give an example of amygdala dysfunction
Children not associating angry faces with fear:
- they may not associate prison with fear
- therefore may be more likely to commit
aggressive crimes
What is a psychopath?
- A form of antisocial personality disorder
- They are manipulative, emotionless, cunning,
deceitful, show a lack of empathy - Research shows that Amyg Dysf. is a central deficit in psychopathy
Key study:
Glenn et al. (2009)
- studies 17 participants with varying degrees of psychopathy
- participants had FMRI scans whilst making judgement on various dilemmas:
e.g ‘should you keep the money you found in a lost purse?’
Glenn et al. (2009) findings:
- Found an association between psychopathy and reduced amygdala activity during a decision-making task
What does the amygdala respond to?
To signals of distress in other people, usually preventing antisocial behaviour
What is the reductionist explanation of the role of the amygdala?
- the amygdala is one part of a wider system of connected brain structures and does not operate on its own to determine aggressive criminal behaviour
What does the regulation of aggressive behaviour involve?
- a complex regulation
- involves 3 structures
- the amygdala
- the orbitofrontal cortex (OFC)
- the neural connection between them
Risk Factor > Direct Cause
- being a criminal depends on biological and environmental factors
- research shows a correlation between amygdala dysfunction and criminality
- this doesn’t allow us to establish a causal relationship
What did Moffitt suggest?
- suggested that neuro-psychological impairment interacts with a crimnogenic environment to produce life- course persistent criminal behaviour
what are the ethical implications?
- inaccurate diagnosis
- stigma & labelling
- isolation
what did Eysenck suggest?
- that individuals with intact fear conditioning develop a conscience that deters them from antisocial and aggressive behaviour