1. Homeostasis Definition Temperature regulation Poikilotherms – passive regulation Homeotherms – metabolic regulation Control theory – negative feedback Human temperature control

2. Hypothalamus Body Brain Temperature Control

3. Hypothalamus Body _ Brain Temperature Control

4. Thermostat Furnace Hypothalamus Body _ _ Brain Temperature Control Graded controlAll-or-none, ‘bang-bang’ control 3 thermostats1 thermostat Many mechanismsOne mechanism

5. Physiology of sleep

6. sleep spindles and K complexes - defining characteristics of stage 2 sleep

7. Sleep pathology Effects of sleep deprivation –Overall –REM People who need little sleep Circadian rhythm shifts