you will be shown a timer, counting down from 60s to 0s. at a time of your choosing, tap on the desk...
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You will be shown a timer, counting down from 60s to 0s. At a time of your choosing, tap on the desk
with your pen. Record the time at which you decided to
tap on the desk
psyc
hlot
ron.
org.
uk
![Page 2: You will be shown a timer, counting down from 60s to 0s. At a time of your choosing, tap on the desk with your pen. Record the time at which you decided](https://reader035.vdocuments.us/reader035/viewer/2022072016/56649ef65503460f94c0a59e/html5/thumbnails/2.jpg)
Libet’s (1985) study of voluntary action
350ms
Onset of readiness potential
Action carried out
PP reports intention to act
electrical brain activity
psyc
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What does Libet’s finding imply about the role of conscious choice in behaviour?
psyc
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The determinist stance
Conscious ‘choice’ does not determine behaviour
Epiphenomenalism Mental states are a by-product of brain
states that have no causal properties NB: see the ‘mind-body problem’
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The determinist stance
Libet’s compromise: The brain generates many possible ways of
behaving Free will is the ‘chooser’
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The homunculus problemThis is called an infinite regress. It is bad.
Libet’s position requires a
‘chooser’ to decide how we act
psyc
hlot
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org.
uk
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Can free will exist in a universe governed by physical laws?
Is it possible to preserve ‘freedom of choice’ without falling into dualism?
Can we do psychology without being determinists?
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uk
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Reading
Gross (1996) pp.874-876Pennington (2003) pp. 229-231
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org.
uk