attention Flashcards
parallel processing
doing 2 things at once
true or false
do most cognitive behaviours involve one cognitive process
not involve more then one cog process
serial processing
cascaded processes, serial of event
bottom up
external stimulus causes internal cognition
top down
processing influenced by the individuals expectations and knowledgge
information processing approach
bottom up and serial processing
stimulus-> attention -> perception -> though processes -> decision -> response/action
4 approaches to studying cognitiong
- cognitive psychology
- computational cognitive science
- cognitive neuroscience
- cognitive neuropsychology
cognitive psychology?
understanding human cognition by observing people’s behaviour.
Use of experiemntal method
computational cognitive science?
use of computational models to further understand human cognition compare the model’s behaviour to human [dual-route cascaded model]
cognitive neuroscience?
using info about behaviour AND the brain to understand human behaviour
fMRI, ERPs, MEG
cognitive neuropsychology
studying brain-damaged patients to understand human cognition
temporal resolution
WHEN an event occurs in the brain
spatial resolution
WHERE an event occurs in the brain
Event-related potential (ERPs)
+ & -
+
non invasively measures electrical activity in the brain during cog activity
high temporal resolution
- limited spatial resolution (only surface)
requires many trials
skull and brain tissue distort electrical fields
largely blind to subcortical [inner parts of brain]
functional magnetic resonance imaging (fMRI)
+ & -
measures changes in blood blow during cog activiy (BOLD signal) \+ non-invasive, indirect measure spatial resolution is high - temporal resolution is poor