PSY 3128 Lecture Notes - Lecture 5: Sub-Saharan Africa, Spinach, Longitudinal Study

• School: University of Ottawa
• Department: Psychology
• Course: PSY 3128
• Professor: Patrick Davidson

Document Summary

Sleep stages: they use a polysomnography(psg) to show the brain waves during sleep. Sleep cycles: on a period of 8 hours, end of the night most of your rem sleep and early in the night is your deep sleep. International 10-20 system use 10 or 20% of the brain with electrodes and where each electrode goes this helps measure the electrical activity non- evasive, to record use eeg cap. These eeg is uncomfortable for someone to sleep in. Each wave is from 1 electrode using the eeg. Measure: air flow, and other things helps detects the sleeping pattern. Spindles are present in the nrem stage 2 present and there are a lot of them. Deep sleep: a very hard stage into waking up it"s like being in a sedated sleep. Qs & as alternate in a 50 to 60min cycle (not 90 mins) Sleep makes up 16 to 18 hours of 24 day.