Psychosurgery- Biological therapy Flashcards

(23 cards)

1
Q

Who developed the idea of psycho-surgery?

A

Egas moniz

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2
Q

When did Egas Moniz develop psychosurgery?

A

1935

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3
Q

When was Egas Moniz the nobel prize winner for his work on psychosurgery?

A

1949

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4
Q

What was psychosurgery origionally known as?

A

Prefrontal leucotomy

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5
Q

What did Egas claim?

A

The removal of the frontal lobe would result in the reduction of aggression and distress

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6
Q

What did Egas do in his therapy?

A

destroyed nerve fibres in the frontal lobe which were impulse control and mood regulators

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7
Q

What does it involve?

A

destroying parts of the brain

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8
Q

aim of psycho-surgery

A
  • eradicate the undesirable behavior
  • relieve stress, anxiety and depression
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9
Q

define the term ‘psycho-surgery’

A

the process of removing or destroying function of the brain in order to bring about change in behavior

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10
Q

Deep brain stimulation (DBS)

A
  • possible alternative to psycho surgery
  • involves the treading of wires through the skull
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11
Q

Stereotic psycho- surgery

A

involves the use of brain scans such as MRI scans to locate the precise points within the brain and sever connections very precisely

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12
Q

Risks of psychosurgery

A
  • seizures
  • memory loss
  • altered states of mood
  • death- 6%
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13
Q

Examples of conditions which psycho surgery can be used to treat

A

depression, anxiety, OCD, bipolar disorder, schizophrenia

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14
Q

What assumptions is it linked with?

A
  • Neurotransmitters
  • Localisation of brain function
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15
Q

How is it linked to the neurotransmitters assumption?

A
  • Modern methods of psycho-surgery involve stimulating areas of the brain, effecting neurotransmitters
  • Low levels of neurotransmitters are linked with mental disorders e.g. serotonin
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16
Q

How is it linked to the localisation of brain function assumption?

A

It involves destroying of certain areas of the brain e.g the frontal lobe due to their functions

17
Q

2 points for the positive

A
  • last resort/mental health act
  • lesser of two evils
18
Q

The mental health Act

A
  • made it impossible for the therapy to occur without valid, informed consent from the patient
  • only done in the last resort
19
Q

How is the therapy the lesser of two evils?

A
  • better than doing nothing at all
  • For example, if someone is chronically depressed and is at risk of suicide, it is better than doing nothing
  • better to do this if nothing else is working for the individual
20
Q

What are the 2 negative points of psycho- surgery?

A
  • early psychotherapy
  • cannot be reversed/ Mary Lou Zimmerman
21
Q

early psycho- surgery as a negative

A
  • ineffective and innaproppriate
  • had a fatality rate of up to 6%
  • range of severe side effets such as brain seizures and loss of emotional responsiveness
  • although psychosurgery today has improved, the same objections could still apply
22
Q

Cannot be reversed/ Mary Lou Zimmerman

A
  • controversial treatment
  • number of cases of severe injury arsing from it
  • for example, the case of mary-lou zimmerman
  • even modern psychosurgery can have long-term side effects, particulalrly to their cognitive capabilities such as memory
23
Q

pre-frontal lobotomy procedure

A

holes are drilled into the sides of the skull. a leucotome, is inserted into the frontal lobe and rotated to lesion a core of tissue. this is repeated several times to destroy pieces of frontal cortex.