HMB201H1 Chapter Notes - Chapter 7: Ventral Nerve Cord, Efferent Nerve Fiber, Afferent Nerve Fiber
Document Summary
Chapter 7: functional organization of the nervous system. Ancient greeks and egyptians thought brain to be unimportant; egyptians tossed brain away while preparing mummy + Aristotle thought brain acted as cooling system for soul, which he said was located in heart. Galen concluded that mental activity occurred within the brain. Until 17th century, physiologists + anatomists thought brain worked as whole and didn"t have regional specialization. The case of phineas gage helped anatomists assign functions to various parts of the brain and provided insight to how the brain works. London"s streets are not laid out in a grid pattern, so london taxi drivers really need to know how to navigate. They have an enlarged hippocampus, a region of the brain involved in spatial relationships and memory. Mri technology: mri machine emits powerful magnetic field that can be directed at the brain (or at other parts of the body).
