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Brain Stimulation & Psychosurgery

Brain Stimulation & Psychosurgery. Brain Stimulation Electroconvulsive Therapy. Electroconvulsive therapy 1938 – 100volts, awake Today – Anesthesia mmm and muscle relaxer How does it work?. Brain Stimulation Electroconvulsive Therapy.

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Brain Stimulation & Psychosurgery

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  1. Brain Stimulation & Psychosurgery

  2. Brain StimulationElectroconvulsive Therapy • Electroconvulsive therapy • 1938 – 100volts, awake • Today – Anesthesia mmm and muscle relaxer • How does it work?

  3. Brain StimulationElectroconvulsive Therapy

  4. 80% success rate for treatment of severe depression • Memory loss (possible) • http://www.youtube.com/watch?v=5Ct90t_iF6Q 2:00min – 8:00min (6:00min) • http://www.youtube.com/watch?v=y8K37POBojs (2:55min total)

  5. Brain StimulationAlternative Neurostimulation Therapies • Magnetic Stimulation • Repetitive transcranial magnetic stimulations (rTMS)

  6. Awake • Magnetic field only penetrates to the brain’s surface • Stimulate or dampen particular areas of brain • Left frontal lobe = depressed patients • No seizures, no memory loss

  7. Brain StimulationAlternative Neurostimulation Therapies

  8. Psychosurgery • Psychosurgery • Remove or destroy brain tissue • Lobotomy • Cutting main neurons to the frontal lobe • = mental vegetable • “Discovered” 1930s – performed widely until 1950s when antipsychotics were introduced • http://www.youtube.com/watch?v=_0aNILW6ILk (5:11min total)

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