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lecture 12 notes

by: Nadya Notetaker

lecture 12 notes BISC 2320

Nadya Notetaker
GPA 3.8

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About this Document

Here are all the notes in a question and answer style format- These questions came up on the final and on the exams.
Neural Circuits and Behavior
O'Halloran, D
Class Notes
25 ?




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This 3 page Class Notes was uploaded by Nadya Notetaker on Tuesday December 22, 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 12 views. For similar materials see Neural Circuits and Behavior in Biological Sciences at George Washington University.

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Date Created: 12/22/15
                  Lecture 12 Notes                  What is sleep governed by?   brainstem nuclei    Which receptors detect light?   retinal ganglion cells    What is melanopsin?  photopigment that is depolarized by light in retinal ganglion cells    What is the SCN?  Master clock in the hypothalamus that controls the sleep wake cycle. If it is  gone, then a person can’t have a sleep wake cycle.     What is the period gene?   3 alleles of the same gene that control rhythms of sleep in drosophila    What is REM sleep?   It occurs 4 times in an 8­hr sleep cycle. It’s a unique state of awareness,  memory, dreaming happens, muscle are inactive    Why are muscles inactive in REM sleep?   GABAergic neurons in pontine reticular formation which causes relative  physical paralysis    What is the purpose of dreams?   consolidate learned tasks by strengthening synaptic charges  freud also said ego relaxes control on id    What is insomnia?    sleep disorder that is characterized by difficulty falling and/or staying asleep    What is narcolepsy?   people enter REM sleep during the day, and don’t have non­rem sleep during night                 


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