Summary: Methods in Neuroscience

CHAPTER 3: NEUROPHYSIOLOGY

EEG’s measure gross electrical activity of brain

-electrical activity of cells working together combines to produce electrical potentials large enough to detect with electrodes applied to the surface of the scalp

Electroencephalogram (EEG): recording of electrical activity in brain via large electrodes placed on scalp, provides useful info about activity of brain regions during behavioural processes

Event-Related Potential (ERP, evoked potential): averaged EEG recordings measuring responses to single stimulus, have distinctive characteristics of wave shape and time delay (latency) that reflect type of stimulus, reliable because background noise of cortex is averaged out

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