Search for tag: "potentials"

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Lecture 8 - Neurons! duration 35 minutes 22 seconds Lecture 8 - Neurons! Lecture 8 - Neurons!	Lecture 8 - Neurons! signal potential cell potassium sodium membrane neurotransmitter signals axon channels depolarization hyperpolarization action neurons potentials neuron phase muscles ions muscle From Bryan Dowdell 0 likes 52 plays 0
HTHS 1111 F13-07: Myelin Video with Questions duration 2 minutes 0 seconds HTHS 1111 F13-07: Myelin Video with Questions HTHS 1111 F13-07: Myelin Video with Questions	HTHS 1111 F13-07: Myelin Video with Questions In this video, I discuss myelin, an insulatory layer that covers the axons of many neurons in the nervous system. I describe myelin's role in promoting efficient neuronal signaling, and I… myelin nodes axons action axon ranvier cells node sodium potentials oligodendrocyte oligodendrocytes schwann cell inter ions potential gaps neurons neuroscience From Lyndsey Gremillion 0 likes 1,110 plays 0
HTHS 1111 F13-10: Temporal vs Spatial Summation… duration 5 minutes 9 seconds HTHS 1111 F13-10: Temporal vs Spatial Summation… HTHS 1111 F13-10: Temporal vs Spatial Summation Video with Questions	HTHS 1111 F13-10: Temporal vs Spatial Summation Video with Questions In this video, I explain the difference between temporal and spatial summations in neurons using animations and diagrams. I also go over what excitatory postsynaptic potentials (EPSPs) are and… potential action neuron potentials axon epsp hillock summation voltage threshold membrane epsps timeframe neurotransmitter neurons compound synapse ions ipsps succession From Jordan West 0 likes 1,416 plays 0
Week-11-Lecture-1 duration 22 minutes 54 seconds Week-11-Lecture-1 Week-11-Lecture-1	Week-11-Lecture-1 chem1220 cathode anode zinc reduction potential copper hydrogen cell reaction oxidation volts electrons potentials cells table solution voltage minus things agent From Katherine Bowman 0 likes 57 plays 0
General Senses (thermosensation) movie duration 7 minutes 45 seconds General Senses (thermosensation) movie General Senses (thermosensation) movie	General Senses (thermosensation) movie action temperature potentials brain sensors nerve neurons endings heartbeat neuron sensor body things change rate degrees cavity increase drop pseudo From Brian Chung 0 likes 54 plays 0
PSY 2710: Ch. 5 - Lesson 2 duration 24 minutes 17 seconds PSY 2710: Ch. 5 - Lesson 2 PSY 2710: Ch. 5 - Lesson 2	PSY 2710: Ch. 5 - Lesson 2 Psychophysiology brain face eeg activity words cortex electricity erps milliseconds fields response stimulus kind scalp word task event potentials skull component From Aminda O'Hare 0 likes 206 plays 0
PSY 2710: Ch. 4 - Lesson 2 duration 28 minutes 11 seconds PSY 2710: Ch. 4 - Lesson 2 PSY 2710: Ch. 4 - Lesson 2	PSY 2710: Ch. 4 - Lesson 2 Active Neurons neuron potential action sodium axon charge channels potentials potassium neurons threshold hyperpolarization membrane myelin activation neurotransmitters period signals inhibitory energy From Aminda O'Hare 0 likes 229 plays 0
NEUR 2050 Sandquist chapter 4 objective 1 - Quiz duration 18 minutes 3 seconds NEUR 2050 Sandquist chapter 4 objective 1 - Quiz NEUR 2050 Sandquist chapter 4 objective 1 - Quiz	NEUR 2050 Sandquist chapter 4 objective 1 - Quiz Dr. Elizabeth Sandquist lectures on chapter 4, objective 1 for the NEUR 2050 Intro Neuroscience course at Weber State University. action potential neuroscience membrane cell stimulus threshold signal ion period depolarization axon channel phase electrode brain scientists neuron region neurons potentials sandquistf20 From Elizabeth Sandquist 0 likes 47 plays 0