Search for tag: "neuron"

73 Media

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 1101 F06-01 Introduction to the Nervous… duration 11 minutes 32 seconds HTHS 1101 F06-01 Introduction to the Nervous… HTHS 1101 F06-01 Introduction to the Nervous System	HTHS 1101 F06-01 Introduction to the Nervous System Join the Amoeba Sisters on this introduction to the Nervous System! This video briefly describes the division of the central nervous system (including going over some general areas of the brain) and… potential action cells axon brain neuron neurotransmitters neurons cell signal body rest lot functions muscle types word ans cns pns From Jim Hutchins 0 likes 549 plays 0
Week 11 Chapter 20 Neuro duration 20 minutes 26 seconds Week 11 Chapter 20 Neuro Week 11 Chapter 20 Neuro	Week 11 Chapter 20 Neuro diet nutrition brain seizure epilepsy patient seizures therapy neurotransmitters cns carbohydrate neuron body protein fat activity food classifications grams treatment From Qi Jin 0 likes 6 plays 0
Nervous system I (fall 2023) vid duration 3 hours 36 minutes Nervous system I (fall 2023) vid Nervous system I (fall 2023) vid	Nervous system I (fall 2023) vid brain cells neurons cord neuron motor matter axon axons fluid cerebellum cell thing dura nuclei things ventricle blood stem lot From Brian Chung 0 likes 112 plays 0
HTHS 2230 Nervous F1c: Opioid Mechanism of Action… duration 5 minutes 17 seconds HTHS 2230 Nervous F1c: Opioid Mechanism of Action… HTHS 2230 Nervous F1c: Opioid Mechanism of Action Video with Questions	HTHS 2230 Nervous F1c: Opioid Mechanism of Action Video with Questions neuron pain receptors brain neurotransmitters signals opioids gelatinosa substantia cord hyperpolarization effects action membrane release mu actions questions frequency decrease From Jim Hutchins 0 likes 5 plays 0
HTHS 2230 Nervous: Opioids (2-Minute… duration 2 minutes 0 seconds HTHS 2230 Nervous: Opioids (2-Minute… HTHS 2230 Nervous: Opioids (2-Minute Neuroscience) Video with Questions	HTHS 2230 Nervous: Opioids (2-Minute Neuroscience) Video with Questions In this video, I discuss a few of the ways opioid drugs affect the brain, as well as the basis for opioid tolerance and withdrawal. TRANSCRIPT: Welcome to 2 minute neuroscience, where I… pain opioids receptors drug effects brain response tolerance drugs cord effect neurotransmitters neuron conductance reduction neuroscience ways withdrawal dysregulation presence From Jim Hutchins 0 likes 2 plays 0
HTHS 1111 F13-08: Synaptic Transmission Video… duration 1 minute 51 seconds HTHS 1111 F13-08: Synaptic Transmission Video… HTHS 1111 F13-08: Synaptic Transmission Video with Questions	HTHS 1111 F13-08: Synaptic Transmission Video with Questions In my 2-Minute Neuroscience videos I explain neuroscience topics in 2 minutes or less. In this video, I discuss synaptic transmission. I describe the synapse, synaptic cleft, release of… neurotransmitter neuron cleft action neurotransmitters signal cell neurons cases process receptors membrane potential molecules vesicles signals synapse neuroscience parts component From Lyndsey Gremillion 0 likes 1,322 plays 0
HTHS 1111 F13-05: Action Potential Video with… duration 2 minutes 1 second HTHS 1111 F13-05: Action Potential Video with… HTHS 1111 F13-05: Action Potential Video with Questions	HTHS 1111 F13-05: Action Potential Video with Questions In my 2-Minute Neuroscience videos I explain neuroscience topics in 2 minutes or less. In this video, I discuss the action potential. The term "action potential" refers to the electrical… potential neuron membrane action channels neurotransmitters potassium signal phase cell ions sodium depolarization millivolts neurotransmitter returns threshold axis receptors neuroscience From Lyndsey Gremillion 0 likes 1,284 plays 0
HTHS 1111 F13-03: Membrane Potential Video with… duration 2 minutes 1 second HTHS 1111 F13-03: Membrane Potential Video with… HTHS 1111 F13-03: Membrane Potential Video with Questions	HTHS 1111 F13-03: Membrane Potential Video with Questions In my 2-Minute Neuroscience videos I explain neuroscience topics in 2 minutes or less. In this video, I discuss membrane potential. Membrane potential refers to the difference in charge between the… ions membrane neuron potential cell potassium circles sodium inside ion rest charge point millivolts anions chloride difference neuroscience direction diffusion From Lyndsey Gremillion 0 likes 1,254 plays 0
HTHS 1111 F12-10b: Withdrawal Reflex Video with… duration 1 minute 58 seconds HTHS 1111 F12-10b: Withdrawal Reflex Video with… HTHS 1111 F12-10b: Withdrawal Reflex Video with Questions	HTHS 1111 F12-10b: Withdrawal Reflex Video with Questions The withdrawal reflex is an automatic response that enables you to pull away from a painful stimulus (e.g., a hot stove, a tack you’ve stepped on) without having to consciously plan to do so.… reflex limb muscle stimulus withdrawal extensor flexor neuron motor stove pathway pathways cord nociceptors neurons intensity leg response weight foot From Lyndsey Gremillion 0 likes 1,366 plays 0
HTHS 1111 F12-04c: Pain and the Anterolateral… duration 2 minutes 5 seconds HTHS 1111 F12-04c: Pain and the Anterolateral… HTHS 1111 F12-04c: Pain and the Anterolateral System Video with Questions	HTHS 1111 F12-04c: Pain and the Anterolateral System Video with Questions In this video, I describe the three main pathways of the anterolateral system: the spinothalamic, spinoreticular, and spinomesencephalic tracts. I follow the route pain information takes along each… pain tract cord thalamic fibers neurons signal nociceptors neurotransmitters opioids release gray inhibition path attention neuron body cortex track pathways From Lyndsey Gremillion 0 likes 1,306 plays 0
HTHS 1111 F12-01b: Corticospinal Tract Video with… duration 2 minutes 3 seconds HTHS 1111 F12-01b: Corticospinal Tract Video with… HTHS 1111 F12-01b: Corticospinal Tract Video with Questions	HTHS 1111 F12-01b: Corticospinal Tract Video with Questions In this video I discuss the corticospinal tract, a major tract that carries movement-related information from the motor cortex to the spinal cord. I discuss upper and lower motor neurons and trace… tract motor fibers neurons cord movement movements side symptoms muscles specializations neuron body bundles brainstem muscle cortex neuroscience types typing From Lyndsey Gremillion 0 likes 1,390 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
HTHS 2231 Nervous Pre-Lab: The Anterolateral… duration 2 minutes 5 seconds HTHS 2231 Nervous Pre-Lab: The Anterolateral… HTHS 2231 Nervous Pre-Lab: The Anterolateral System (ALS) Video with Questions	HTHS 2231 Nervous Pre-Lab: The Anterolateral System (ALS) Video with Questions In this video, I describe the three main pathways of the anterolateral system: the spinothalamic, spinoreticular, and spinomesencephalic tracts. I follow the route pain information takes along each… pain tract cord thalamic fibers neurons signal nociceptors neurotransmitters opioids release gray inhibition path attention neuron body cortex track pathways From Jim Hutchins 0 likes 2 plays 0
Nervous system II (engram) vid.mp4 duration 3 hours 29 minutes Nervous system II (engram) vid.mp4 Nervous system II (engram) vid.mp4	Nervous system II (engram) vid.mp4 nerve motor axons muscle nerves plexus axon brain neuron neurons thing dorsal cord side muscles matter pain cortex cell root From Brian Chung 0 likes 185 plays 0
HTHS 1110 F07-13a: Nervous Tissue \| Neurons Video… duration 13 minutes 53 seconds HTHS 1110 F07-13a: Nervous Tissue \| Neurons Video… HTHS 1110 F07-13a: Nervous Tissue \| Neurons Video with Questions	HTHS 1110 F07-13a: Nervous Tissue \| Neurons Video with Questions We've learned about epithelial tissue, connective tissue, and muscle tissue, so now it's time to learn about the fourth and final type, nervous tissue! That means all the neurons that send… axon neurons neuron cell membrane potential signals body nerve cells channels ions neurotransmitters terminals parts division signal motor structure region From Pamela Silberman 0 likes 1,769 plays 0