Biopsychology: Ways of Studying the Brain Flashcards
Name four ways of studying the brain
Functional Magnetic Resonance Imaging (fMRI)
Electroencephalograph (EEG)
Event Related Potentials (ERP)
Post mortems
What does EEG stand for?
Electroencephalograph
What does fMRI stand for?
Functional Magnetic Resonance Imaging
What does ERP stand for?
Event Related Potentials
What does fMRI identify changes in?
Oxygen levels in the blood due to brain activity
What is the 3D image from an fMRI called?
Activation Map
What has fMRI been used to study?
Which specific parts of the brain are active in particular processes.
in an fMRI what does increased blood flow show?
When a brain area is active
fMRI is a much safer way of studying the brain than …
PET scans
In terms of resolution, what can we say about fMRI?
High Spatial
Low temporal
In EEG where are the electrodes placed?
On the scalp
What does an EEG detect?
Small electrical changes from brain cell activity.
What have EEGs been used to study?
Sleep Patterns
Arousal
Brain tumors
Epilepsy
How are the electrical signals seen in an EEG?
Graphed over a period of time
In terms of resolution, what can we say about EEG?
High Temporal
Low Spatial