Tag Archives: Prefrontal Cortex And Law

Early Trauma Can ‘Shut Down’ Prefrontal Cortex

prefrontal cortex

THE PREFRONTAL CORTEX :

First, I will describe the main functions of the brain’s prefrontal cortex ; they are as follows :

  • modulates feelings of fear associated with threat (eg calms us down if a raised alarm turns out to be a false alarm)
  • controls the intensity of our emotions (so we are neither inappropriately under-emotionally aroused nor inappropriately over-emotionally aroused)
  • helps us to plan and control impulsive, ‘knee-jerk’ reactions
  • helps us to become mentally attuned to others and to empathize with them
  • provides us with a moral awareness and ethical framework
  • provides us with insight into the workings of our own minds
  • helps us behave rationally
  • helps us to think logically
  • helps us maintain a healthy balance between hyperarousal (too much arousal) and hypoarousal (too little arousal).

How Early Trauma Adversely Affects The Development Of The Prefrontal Cortex :

Even in emotionally and mentally ‘healthy’ individuals, the prefrontal cortex does not become fully developed until the age of about 25 years; this is a major reason why the behaviour of someone aged, say, eighteen, is often more erratic and ill-considered than that of a person aged, for example, twenty-six years. (It follows from this that a strong argument can be put forward

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