PHYL 160

Study Guide for Exam 1

Terminology

Atonia	EEG	EOG
EMG	Torpor	Hibernation
Sleep Study	Awake	Stage 1
Stage 2	Stage 3	Stage 4
REM	NREM	Synchronous
Desynchronous	Sleep Cycle	Phylogeny
Metabolic Rate	Diurnal	Sleep Debt
Zeitgeibers	Period	Amplitude
Electrical Current	Voltage	Gradient
Circadian Rhythm	Frequency	MSLT
PSG	Spindle	Cataplexy
Ontogenetic	Cholinergic	Homeostasis
Entrain	Free Running Period	Jet Lag
Basal Condition	Catabolism	Homeotherm

Questions for Thought

• How is sleep defined?
• What is sleep debt and what are its effects?
• How does the sleep requirement change with age (how much sleep do you need)?
• Describe sleep in animal.
• Compare and contrast the different theories of sleep.
• What is the circadian rhythm?
• How is the circadian rhythm related to sleep?
• What are the possible functions of sleep?
• Describe the human sleep cycle.
• Compare and contrast the different stages of sleep.
• Describe a typical MSLT.
• What sensors are used in a typical PSG?
• What are the different frequency ranges in EEG?