Evaluation

• Evidence form neurosurgery

  • Cingulotomy
  • Dougherty et al- reported on 44 people with OCD who had cingulotomy
  • 30% had met criteria for successful response to surgery
• Evidence from brain scans

  • Peterson et al showed wernickes area active during a listening task and brocas area in reading task
  • review of studies showed semantic and episodic memories residing in differrernt parts of prefrontal cortex
• counterpoint

  • lashley removed ara of cortex in rats that were learning the route through maze.
  • no area was proven to be more important in learning
  • the process required every part
  • some processes distributed in a more holistic way