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psychology
biopsychology
ways of studying the brain
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becky m
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Cards (28)
What does fMRI stand for?
Functional magnetic resonance imaging
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What is the primary use of fMRI?
To measure
brain activity
during tasks
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How does fMRI detect brain activity?
By detecting
radio waves
from
magnetic fields
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What does an EEG record?
Tiny
electrical
impulses from brain activity
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How can EEG help diagnose brain conditions?
By measuring
characteristic
wave patterns
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What are event-related potentials (ERPs)?
Electrophysiological
responses to specific events
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How are ERPs isolated from EEG data?
Through
statistical analysis
of EEG data
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What is the purpose of post-mortem examinations?
To analyze the
brain
after death
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Why are post-mortem examinations conducted in psychological research?
To link behaviors to
brain abnormalities
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What is the main purpose of brain scanning techniques?
To investigate
localization
of brain functions
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How does fMRI work in terms of blood flow?
It detects changes in blood
oxygenation
and flow
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What does fMRI produce to show brain activity?
Three-dimensional
images
of
brain
activity
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What is a key strength of fMRI?
It does not use
radiation
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What is a limitation of fMRI?
It has poor
temporal resolution
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What is a key strength of EEG?
It has extremely high
temporal resolution
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What is a limitation of EEG?
It cannot pinpoint exact
neural activity
sources
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How do ERPs improve upon EEG?
They provide more
specificity
in measurements
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What is a limitation of ERP methodology?
Lack of
standardization
between studies
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What is a strength of post-mortem examinations?
They provide
foundational
understanding of brain processes
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What is a limitation of post-mortem examinations?
Causation
issues may arise from observed damage
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Why is consent an issue in post-mortem studies?
Participants may not provide
informed consent
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How do fMRI and EEG differ in terms of temporal resolution?
fMRI has
poor
temporal resolution, EEG has
high
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How do ERPs and EEG relate to each other?
ERPs
are
derived
from
EEG
measurements
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What is the relationship between post-mortem examinations and brain disorders?
They help link disorders to
brain damage
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How did early researchers like Broca and Wernicke use post-mortem studies?
To establish links between
brain
and
behavior
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What ethical issues arise from post-mortem examinations?
Consent
from individuals before death is needed
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What is the significance of studying HM's brain post-mortem?
To identify areas linked to
memory deficits
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How does the specificity of ERPs benefit cognitive neuroscience?
It allows measurement of
cognitive functions
accurately
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