Penfield study on interpretive cortex

  • Created by: Syxxx
  • Created on: 20-06-18 12:17
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  • Penfield study
    • Aim: to describe the psychological responses patients gave when parts of their brain were electrically stimulated
    • procedure
      • patients with epilepsy lay on an operating table and were conscious
      • Only local anesthetic was used
    • Penfield stimulated different areas using the Montreal procedure.
      • Recorded patient's responses.
      • For over 30 years Penfield studied more than 100 cases
      • procedure
        • patients with epilepsy lay on an operating table and were conscious
        • Only local anesthetic was used
    • Results
      • Visual area: when stimulated patient recorded colours and shadows and crude outlines of objects
      • Somato-sensory: When stimulated it produced a tingling sensation or false sense of movement
      • Temporal lobe
        • patients started reliving past events but were aware of other events happening around them
        • Patients felt emotion related to the experience.A sense of DEJA VU
    • Temporal lobe
      • patients started reliving past events but were aware of other events happening around them
      • Patients felt emotion related to the experience.A sense of DEJA VU
    • Conclusion
      • area of temporal lobe he had stimulated must have a role in storing memories of past events

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