1.1.2 Psychosurgery evaluation

Question 1

Cosgrove and Rauch findings positve or negative?

Answer 1

Positive

Question 2

What did Cosgrove and Rauch find?

Answer 2

Bilateral cingulotomy was effective in 65% of patients suffering from major affective disorder (depression/bipolar) and 56% patients suffering from OCD

Question 3

What is one weakness to Cosgrove and Rauches findings

Answer 3

Only about 25 patients a year are currently treated in this way in the USA so it is diffcult to make conclusions about the effectivness

Question 4

Mayberg findings positve or negative?

Answer 4

Positive

Question 5

What did Mayberg find?

Answer 5

4 out of 6 patients with severe depression had their symptoms dramatically reduced after having deep brain stimulation

Question 6

Moniz findings positve or negative?

Answer 6

Positive

Question 7

What did Moniz find?

Answer 7

70% success rate in for patients suffering from schizophrenia and anxiety

Question 8

Negatives of psychosurgery

Answer 8

• There is no scientific evidence to support the claim prefrontal lobotomies had any effect on psychological disorder
• Symptoms are treated rather than the underlying cause of the psychological disorder

Question 9

Was Comers findings positive or negaitve

Answer 9

Negative

Question 10

What did Comer find

Answer 10

• Psychosurgery was both inapropriate and ineffective
• Lobotomies had a fatality rate of up to 6% and a range of severe physical side effects such as brain seizures and lack of emotional responsivness

Question 11

What did Bridges at al (1994) state

Answer 11

It is a treatment of last resort so no controlled trial against a comparable treatment is possible