CASEY ET AL

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The aim of this study
To test whether delay of gratification in childhood predicts impulse self-control abilities in adulthood
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The research method
Natural/quasi experiment
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What design?
Independent and repeated measures design
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How many 4 year old participants?
562
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How many 20 year old participants?
155
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how many 30 year olds?
135
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how many in experiment 1?
59
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How many in experiment 2?
27
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What was experiment 1?
A behavioural task that tested to see if they showed less impulse control in suppressing responses to hot cues
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What was experiment 2?
fMRI was used to examine the neural correlates in a task responding to happy or sad faces
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What were the results?
Participants who were low delayers as children struggle to avoid temptations when they were older compared to high delayers
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What was the key region of brain involved in withholding responses?
Inferior frontal gyrus
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During the most temptation which part of the brain was more active in low delayers?
The ventral striatum
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What was the conclusion?
The ability to withstand temptaion varies in individuals. It is associated with varying levels of activity in the inferior frontal girus and the ventral striatum
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The research method

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Natural/quasi experiment

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What design?

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How many 4 year old participants?

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How many 20 year old participants?

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