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limited capacity attention
- brain limited in amount of information in
outside world it can take in at one time
- Kahneman: within the brain is
a 'limited-capacity central
processor' responsible for
analysing incoming information
and integrating it with that
already held
- idea supported by dual-task study that
found people responded more slowly to a
letter and a tone presented simultaneously
- replicated study requiring different responses found
that response time was not slowed - suggests that
may have different pools of resources for different
tasks - not one central processor
- led to multiple resource theories of attention
although difficult to establish how they are
divided for different senses / information
- could be different
levels of the system
- could be different
levels of the system
- idea is important as we are aware of
processing limitations in everyday life - different
kinds of theory useful in stimulating research
into how 'system' works
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