EEG (Electroencephalogram)

What are the 4 regions of electroencephalography?

Alpha

Beta

Delta

Theta

Occurs as individuals falls asleep before REM

Delta and Theta Waves

A recording of the brains activity via electrodes placed on the scalp over the cerebral cortex

Electroencephalography

Alpha Waves

8-13 Hz

Prominent EEG wave for awake and relaxed adult with closed eyes

Alpha Waves

Beta Waves

13-30 Hz

what waves are emitted individuals who are alert and attentive to external stimuli/mental exertion, REM sleep cycle

Beta Waves

May be associated with remembering/memory retrieval

Beta Waves

Delta Waves

1-5 Hz

Theta Waves

4-8 Hz

During frustrations events, difficult mental activates, deep concentration

Delta and Theta Waves

What the waves look like