Infradin + Ultradian Rhytms A03

Question 1

Dement + kleitman ex support

Answer 1

Found Participants had periods of rem when dreaming and one had vertical movement when dreaming about climbing up a ladder and looking up and down
They concluded stages of sleep follow typical pattern through night and dreams occur in rem sleep
Support as EEG used so objective measure and increases reliability
And they controlled caffeine and alcohol

Question 2

Dement k ex lim

Answer 2

Artificial settings can effect quality of sleep
Might be hard to sleep with electrodes
So may lack ecological validity

Question 3

Strength - infrad sad

Answer 3

Real life application
Understand how sad works so can treat it
Studies show light box can stim body to rest internal clock
Sanassi found light therapy reduces effect of sad in 80%
Less addictive than drugs

Question 4

Lim infrad - sad

Answer 4

Side effect of light therapy
Headaches/eye strain + relapse rates so maybe cbt is better

Question 5

MC - other variables synchronisation

Answer 5

Synch may be impacted by stress, diet, exercise which may act as confounding variables so research didn’t consider