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5 Cards in this Set

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evidence for the central executive
baddely.
8 random digits condition A B C

findings:
the more tasks involved, the less random the numbers are as the central executive is deciding what to pay attention to.
evidence for the central executive
bunge et al
when given dual tasks, MRI scans showed increased activity in the pre-frontal cortex, this shows that a region of the brain makes the decisions and proves the existence of the central executive.
evidence for the phonological loop
baddley et al
word length effect.
the phono' loop explains why the word length effect occurs- the fact that people cope better with short words than lond words in the WMM (STM) it seems the phono' loop holds the amount of information that you can say in 2 seconds, condition 1-harm twice (easier), condition 2-university, television (harder)
suppression tasks: by repeating 'la la la' while reading words ties up loop so word-length disappears.
evidence for the visuo-spatial sketch pad
Kosslyn & Shwartz
when asked questions on the image of a boat participants took longer to answer when questions were asked about the front and then the back, due to them recalling the image on their visuo-sketch pad.
evidence for the visuo-spatial sketch pad
Baddeley
baddeley was driving in his car in America, he was imaging the american football match on the radio, the dual tasks caused him to veer off the road as it was too much for the visuo-sketch pad to do!