Biological approach Psychology

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What method was used in Maguire?
Quasi; voxel based morphology; pixel counting
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What was a strength of Maguire?
VBM gives precise objective measurements; Pixel counting eliminates possibility of researcher bias and demand characteristics
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What was a weakness of Maguire?
No cause and effect establishes (no measure before they became taxi drivers)
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What was the method in Sperry?
lab experiment; recognise stimuli flashed to each hemisphere; Tactile task, subject finds object after sensory information perceived by 1 hemisphere
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What was the strength in Sperry?
Quasi = can investigate variables that you can't in laboratory
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What was the weakness in Sperry?
Quasi = does not give researcher full control over IV; Little ecological validity / mundane realism; small sample
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What was the method in Dement and Kleitman?
Lab; participants reported before normal bedtime and refrained from alcohol or coffee; electrodes attached from EGG machine to scalp; woken at various times; spoke through voice recorder; stating their dream and content of dream
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What were the strengths in Dement and Klietman?
high control over extraneous variables; EEG and EOG provide objective measurements; Cause and effect; Quantitative + Qualitative; tape recorder = more accurate readings
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What were the weaknesses in Dement and Klietman?
Low ecological validity; small sample
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What was a strength of Maguire?

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VBM gives precise objective measurements; Pixel counting eliminates possibility of researcher bias and demand characteristics

Card 3

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What was a weakness of Maguire?

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Card 4

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What was the method in Sperry?

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Card 5

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What was the strength in Sperry?

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