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The prefrontal cortex


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The prefrontal cortex

  1. 1. The Prefrontal Cortex<br />Major functions and substructures<br />
  2. 2. Location<br />The prefrontal cortex (PFC) is the anterior part of the frontal lobes of the brain, lying in front of the motor and pre-motor areas.<br />
  3. 3. Functions<br />This brain region has been implicated in planning complex cognitive behaviors, personality expression, decision making and moderating correct social behavior.The basic activity of this brain region is considered to be orchestration of thoughts and actions in accordance with internal goals.<br />
  4. 4. Executive Functioning<br />The most typical psychological term for functions carried out by the prefrontal cortex area is executive function. <br />Executive function relates to abilities to differentiate among conflicting thoughts, determine good and bad, better and best, same and different, future consequences of current activities, working toward a defined goal, prediction of outcomes, expectation based on actions, and social "control" (the ability to suppress urges that, if not suppressed, could lead to socially-unacceptable outcomes).<br />Remember Phineus Gage!<br />
  5. 5. Major Substructures<br />Superior Frontal Gyrus – involved in self awareness<br /><ul><li>Inferior Frontal Gyrus – involved in go/no go tasks and risk aversion
  6. 6. Broca’s Area– involved in speech and language production</li></li></ul><li>Follow up Question<br />Speculate as to the relationship between the location of Broca’s Area and it’s function.<br />Clue: Which two primary cortices is it adjacent to?<br />