Neurobiology Exam 1 Study Guide with correct answers 100%

Neurobiology Exam 1 Study Guide with correct answers 100% Trepanation - Correct Answer Ancient practice of drilling holes in the skull Who discovered Ventricles? - Correct Answer Galen Role of ventricles - Correct Answer The body functioned according to a balance of four humors (Vital fluids). Ventricles are filled with humors, and nerves are hollow tubes to conduct humors White Matter Function in the 17th/18th Centuries - Correct Answer White matter is continuous with nerves inside the brain. It sends info to and from gray matter outside the brain. Belle-Magendie Law - Correct Answer Dorsal roots (Sensation Function) and ventral roots (Motor Function) carry info in opposing directions within the spine. Belle's Contribution - Correct Answer If you cut the ventral root, it leads to muscle paralysis Magendie's Contribution - Correct Answer If you cut the dorsal root, it leads to losing sensation Phrenology - Correct Answer The study of the shape and size of the cranium as a supposed indication of personality and mental abilities. Flourens's Contribution - Correct Answer "Experimental Ablation" (Parts of the brain are destroyed to determine function), evidence AGAINST phrenology Broca - Correct Answer left frontal lobe: associated with speech (Broca's Area) Discrete region of cerebrum for speech Ferrier - Correct Answer Studies in monkeys found electrical current could evoke discrete movements Darwin - Correct Answer Evolution of the nervous system. Concepts like common ancestors, natural selection, and differing species sharing common mechanisms 5 levels of neuroscience analysis - Correct Answer -Molecular (Molecules inside cells) -Cellular (Extracellular connections and wiring) -Systems (Circuits for movement/vision/etc) -Behavioral (Mood, behavior, drugs, and dreams)