Ancient Neurology

phrenology: characterization of personality by the distribution of bumps on the skull. Franz Joseph Gall, a German physician.
This is the first combination of psychological and biological concepts.
1. All behaviors emanate from the brain.
2. Cerebral cortex-> function. At least 35 organs can be divided from the cerebral cortex.
3. Center of each mental function grew with use. Just like a muscle bulks up with exercises.