2683644
Description
Mind Map by Teddie Mardon, updated more than 1 year ago
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Created by Teddie Mardon
almost 10 years ago
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Psychosurgery
- Surgical procedure preformed on brain, aim of
treating mentally disordered behaviour
- Destroying part of brain or fibres of brain so that
target areas of brain are separated and functionally
removed.
- Prefrontal lobotomy
- Selective destruction of nerve fibres
- In the frontal lobe that controls
impulses and mood regulation
- Used on patients with affective disorders
such as people with depression
- Selective destruction of nerve fibres
- Prefrontal leucotomy
- Moniz
- 1930
- 1930
- drilling holes on each side od skull and instead an
instrument like an ice-pick. to destroy nerve fibres
- Moniz
- Leucotomy
- Moniz
- Instrument with retractable loop that could cut into
white matter of the brain and sever nerve fibres
- thought that by cutting nerve fibres that cary
thoughts form one place to another to relive
pataients of there distressing thoguhts
- Moniz
- early practise was inappropriate and ineffective.
- lobotomy 6% fatality rate
- Side effects such as brain seizures
- Side effects such as brain seizures
- lobotomy 6% fatality rate
- Been developed used on
those who don't respond to
psychotherapy of other
forms of treatment
- MRI scan to locate exact parts of brain
and sever connections precisely. using
anaesthetic
- OCD example of circuit linking orbital
frontal lobe to deeper parts of brain
such as thalamus appear more active.
bilateral cingulotomy designed to
interrupt circuit
- Deep brain stimulation, surgeons thread wires
though skull they are connected to battery
back in chest this produces high-frequency
current interrupting brain circulatory
- MRI scan to locate exact parts of brain
and sever connections precisely. using
anaesthetic
- assumption that behaviour can be explained
in different areas of the brain
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