Psy321 final exam Study guides, Class notes & Summaries
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PSY321 FINAL EXAM STUDY GUIDE 2023
- Exam (elaborations) • 11 pages • 2023
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how is sleep measured? 
- EEG 
how many stages of sleep are there? 
- four stages (3 non REM, 1 REM) 
why do we need sleep? 
- to recharge our body 
how does REM help us? 
- helps with our 
- mental health 
- memory 
- learning 
what are the three standard psychophysiological measures of sleep – 
1. EEG - brain activity 
2. EOG - eye movement 
3. EMG - muscle tone 
It Is a combination of EEG, EOG, and EMG 
- PSG 
How else can we measure sleep? – 
- apple watch 
- applications 
- sleep...
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