Motivation
Maslow
Negative feedback
Reflexive temperature regulation in mammals
The relation between the glucose-glycogen balance in the liver and eating
Hyperphagia
Similarity of weight gains in identical twins
The diet-busting effect in restrained eaters
Relation of obesity to mortality
Schematic diagram of EEG recording
Alpha waves and alpha blocking
REM and non-REM sleep
The ticking of the brain's biological clock
Physiological basis of hunger
Relationship between motivation and performance
Love in enfant monkeys
Curiosity motive in monkeys
Manipulatory drive in monkeys
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