Measures blood flow in the brain when a person performs a task. Neurons in the brain that are the most active use the most energy. Energy requires glucose and oxygen
Is fMRI invasive or non invasive
Non invasive, can be unpleasant and claustrophobic
EEG
Measures electrical activity through electrodes attached to the scalp. Info is processed in the brain as electrical activity in the form of action potentials or nerve impulses. There are 4 types of patterns: alpha, beta, theta and delta waves
Is EEG invasive or non invasive
It is non invasive however uncomfortable
ERP
Uses similar equipment to EEG. A stimulus is presented to a participant and the researcher looks for activity related to that stimulus. It is event related
Is ERP invasive or non invasive
non invasive but can be uncomfortable
Post-Mortem Examination
Researchers study the physical brain of a person who displayed a particular behaviour while they were alive. Post mortem's have contributed to our understanding of many disorders.
Is Post-Mortem Examination Invasive or non invasive
N/A, it is invasive but the person is no longer alive
