The Biological Therapy Flashcards

Psychosurgery

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1
Q

Name the biological therapy

A

Psychosurgery

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2
Q

Name the four forms of psychosurgery

A

Pre-frontal leucotomy, transorbital lobotomy, bilateral cingulotomy, deep brain stimulation

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3
Q

What technique is used in pre-frontal leucotomy?

A

Apple-corer process

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4
Q

Who created pre-frontal leucotomy and when was it made?

A

Moniz, 1930s

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5
Q

What object is inserted into the brain in pre-frontal leucotomy and what does it have on the end?

A

Leucotome, wire loop on the end

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6
Q

How does pre-frontal leucotomy work?

A

Two holes drilled into either side of the brain, leucotome rotated in frontal lobe to severe the nerve fibres and lesion the tissue

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7
Q

What technique is used in transorbital lobotomy?

A

Icepick technique

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8
Q

Who created transorbital lobotomy and when?

A

Freeman, 1940s

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9
Q

What object is used in transorbital lobotomy?

A

Orbitoclast

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10
Q

Where is the orbitoclast inserted and why?

A

Under the eyelid and into the back of the eye socket, it is the thinnest part of the skull

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11
Q

How does transorbital lobotomy work?

A

Orbitoclast inserted under eyelid and into back of eye socket, twisted to destroy connections with frontal lobe and other areas, repeated with other eye so same on both hemispheres

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12
Q

What is used to find a precise area of the brain in bilateral cingulotomy?

A

MRI scan

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13
Q

What are you under in bilateral cingulotomy?

A

General anaesthetic

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14
Q

How is brain tissue destroyed?

A

Radiation (gamma rays)

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15
Q

Why is deep brain stimulation different from other psychosurgery?

A

It’s temporary, not permanent

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16
Q

What does the biological approach assume that psychological disorders are caused by and what is this called?

A

Have a physiological / biological cause, referred to as the medical model of mental illness, treats mental disorders as if they were physical

17
Q

Describe the effectiveness of early psychosurgery

A

Initial reports tended to be enthusiastic but undesirable side effects, e.g. unnatural tranquility, permanent side effects, Comer study

18
Q

What did Comer find with early psychosurgeries?

A

Had a fatality rate of 6%, range of severe side effects like brain seizures, lack of emotional responsiveness, changes in personality

19
Q

Describe the Rosemary Kennedy case

A

Not a successful procedure, mental capacity reduced to that of a two-year old, spent rest of her life institutionalised, could not walk or speak intelligibly

20
Q

Describe the Cosgrove and Rauch study

A

56% of patients reported cingulotomy effective for OCD

21
Q

Describe the Mary Lou Zimmerman case

A

OCD and depression, last resort, bilateral cingulotomy, major loss of normal functioning and abscess I’m her brain, developed dementia, be ame mute and emotionally disabled

22
Q

Why is consent and ethical issue in psychosurgery?

A

Patients may not be in the right state of mind to give their informed consent

23
Q

Why is harm an ethical issue in psychosurgery?

A

Early psychosurgeries - severe apathy and memory loss, modern side effects - seizures and altered mood, deep brain stimulation - seizures, changing to mood, worsening depression