measuring sleep

Question 1

Electroencephalograph
(EEG)

Answer 1

device that detects, amplifies, and records the electrical activity of the brain

Question 2

different brain waves

Answer 2

active brain/high alertness - high frequency and low amplitude

low levels of alertness - low frequency and high amplitude

Question 3

list + explain brain waves

Answer 3

beta - highest frequency lowest amp
alpha - high frequency low amp
theta - medium frequency medium-high amp
delta - low frequency high amp

Question 4

Electromyograph
(EMG)

Answer 4

device that detects, amplifies, and records the electrical activity of the body’s muscles

Question 5

Electro-oculograph
(EOG) 

Answer 5

device that detects, amplifies, and records the electrical activity of the muscles responsible for eye movement

Question 6

Sleep diaries

Answer 6

a record containing self-reported descriptions from an individual about their sleeping periods, including an estimated time spent sleeping and judgements they might have about the quality and nature of their sleep

Question 7

Video monitoring 

Answer 7

use of camera and audio technologies to record an individual as they sleep