History Of Sleep test two Flashcards
What is the hypo toxin theory
Lack of oxygen in brain or an accumulation of toxins
What is the congestion theory
Sleep caused by to much pressure in the brain or lack of blood in brain
What is neurons paralyzed theory
Neurons became paralyzed in sleep
What is inhibitory reflex theory
Sleep a result of something being turned off or removed
Sleep is biologically necessary for life. True or false
True
What is the number one sleep complaint I’m the USA
Insomnia
Who and in what year was the EEG discovered
Richard Caton and in 1875
What did Richard Caton demonstrate
Electrical rhythms in brains of animals by using a reflecting galvanometer.
Who and in what year was the first EEG recorded
1920s Hans Berger and he was also known for names the alpha and beta waves.
What is a delta wave
Less then 4 hertz or cycles per second. Also know as stage non rem 3
What is a theta wave
4-7 hertz or cycles a second also known as stage rem and wake with eyes open
What is alpha waves
8-13 hertz or cycles per second also known as wake eyes closed stage
What is beta wave
More then 14 hertz or cycles per second and is wake and rem stage
What year and who demonstrated the existence of circadian rhythms in plants
Jean Jacques demairan jn 1729
What year and who observed a pattern in human temperature with variations of natural light.
William ogle 1866