NATS 1860 Lecture Notes - Heart Rate, Nathaniel Kleitman, Narcolepsy
Document Summary
Expression of emotion in man and animals (darwin"s book) Sleep and wakefulness associated with the heart. Sleep from inhibition of sense perception (plants do not sleep only animals and humans) Heat of the body pushes fumes from food to the brain, where they collect and descend. Descended vapours cool the heart, resulting in inhibition of sense perception and sleep. Greeks would use observation and reasoning: we still like their research method. If you"re asleep you can"t perceive your physical environment. Centered on the idea of food and nutrition: if you eat a meal, you feel sleepy (observation and reasoning, heat of the body pushes fumes to the brain where they collect. The vapours cool the heart: heat creates the vitality. Sense perception is the moving of the soul through the body. The motion of the heart allows you to perceive the environment around you. Secondary readings and sources about the original (primary sources)