Lecture 1 Notes
Lecture 1 Notes BISC 2320
Popular in Neural Circuits and Behavior
Popular in Biological Sciences
This 1 page Class Notes was uploaded by Nadya Notetaker on Monday December 21, 2015. The Class Notes belongs to BISC 2320 at George Washington University taught by O'Halloran, D in Summer 2015. Since its upload, it has received 17 views. For similar materials see Neural Circuits and Behavior in Biological Sciences at George Washington University.
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Date Created: 12/21/15
Define cephalization It is the evolutionary trend where neurons and sensory organs move into the most concentrated region of the organism Give an example of a cephalized animal and a noncephalized animal A vertebrate is a cephalized animal A noncephalized animal is a sponge What are three two model organisms Drosophila melanogaster C elegans What are two new features mammals have Neocortex neocerebellum What do nonmammals have instead Pallium What is the neocortex Which layer is formed first It is involved in higher functions like spatial reasoning motor commands conscious thought and language It has 6 layers and the 6th one is formed first What is a neuron An electrictally excitable cell transmits info via electrochemical signalling and uses synapses to communicate w other cells What is a current measured in 1 A 08 What is voltage measure in Volt JC Action potentials communicate via which kinds of channels Voltage gated sodium and potassium channels How do action potential work Resting phase all Na and K channels are closed Depolarizing phase Na channels open Repolarizing phase Na channels inactivate K channels open Hyperpolarization K channels remain open Na channels inactivate Why is there an undershoot The membrane potential becomes more negative to stabilize
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