SPLH 620 Exam 1 Questions and Answers 100% Correct(SCORED A+)

Descartes came up with ____________. Based on ______________. - ANSWER-first modern model of nervous system; hydraulics What was Descartes thinking behind hydraulics model of nervous system? - ANSWER-The water would move to a joint and the water would move that joint and then the water would leave returning the joint back to its resting position. He believed that the brain thought about where the water should go and then it would go there. To him the spinal cord was just a tube, not a central player in the movements. Descartes model caused three things to occur: - ANSWER-1. firmly separated mind and body, allowing nervous system to be studied using science 2. established that signaling is a central function of nervous system 3. introduced use of models to understand nervous system Was Descartes model correct or incorrect? - ANSWER-Incorrect but lasted about 200 years until Industrial Revolution. It set us up for a better understanding of the nervous system even though it was wrong. 19th century/industrial revolution created a lot of advancements in ________ and ______. Specifically what? - ANSWER-Technology and research. Specifically: 1. Time-keeping 2. Understanding of electricity 3. Physiological techniques (optics) What did Galvani try to make? - ANSWER-batteries Galvani experiment - ANSWER-Dissected a frog leg while keeping nerves intact. Hung the nerve from metal and attached the nerve to frog leg with a copper hook findings of Galvani experiment - ANSWER-Ambient electricity in the air caused frog leg to twitch. Electricity is the driving force of nervous system Galvani found _________ is the driving force of nervous system - ANSWER-electricity What was the importance of Galvani's finding regarding electric signaling? - ANSWER-Galvani found that electricity is the signaling/ important force of the nervous system and that it drives messaging in the nervous system.