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1. Biological Causes of APD<br />Antisocial Personality Disorder can be caused by brain abnormalities<br /> 2. The Amygdala<br />The amygdala helps us…
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  • 1. Biological Causes of APD<br />Antisocial Personality Disorder can be caused by brain abnormalities<br />
  • 2. The Amygdala<br />The amygdala helps us learn from the negative consequences of our actions.<br />It is also involved in processing facial expressions:<br /> Sad Fear<br />
  • 3. How does the amygdala cause APD?<br />People with normalamygdala function learn to avoid activities that they can see cause others to become upset or frightened.<br />People with APD have abnormalamygdala function so they cannot recognise sad or fearful facial expressions. <br />So, they do not learn to avoid antisocial activities that cause others to become distressed.<br />
  • 4. The Prefrontal Cortex<br />The prefrontal cortex (front of the brain) is involved in decision making and managing acceptable social behaviours.<br />
  • 5. How does the prefrontal cortex cause APD?<br />People with normal prefrontal cortex function learn what behaviours are socially acceptable and feel guilty when they do something wrong. <br />People with APD have a smaller prefrontal cortex and less activity in the front of the brain.<br />So, they do not learn which behaviours are acceptable and feel no guilt for their actions.<br />
  • 6. Spot the Psychopath<br />
  • 7. Raine et al (2000)<br />Aim: To see if abnormalities in the ___________ ________ cause APD<br />Method:<br />Results:<br />Conclusion:<br />
  • 8. Evaluation of Raine et al (2000)<br />The study _________ the biological explanation that APD is caused by ____________ in the brain.<br />Raine only studied _______ so the findings cannot be generalised to __________. <br />Participants ___________ to take part in the study so may not have been _____________ of all people with APD.<br />____________ linked to one area of the brain might be caused by a problem somewhere else in the brain. <br /> Therefore, the cause of APD may be more _____________ than Raine concluded.<br />supports<br />abnormalities<br />men<br />women<br />volunteered<br />representative<br />Behaviours<br />complicated<br />
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