Category: The Nervous System
039 The Function of the Organ of Corti
2.35K Views99 Comments2 Likes
The organ of corti - such a small part of the cochlea with such a major function. Watch as Leslie demonstrates how the vibrations in the cochlea affect the cilia on the hair cells, and how this process is translated t...
029 A General Overview of How Senses Work
1.48K Views24 Comments0 Likes
In this video, Leslie explains the general mechanism of how senses work. Enjoy! Transcript of Today's Episode Hello and welcome to another episode on Interactive Biology TV, where we’re making biology fun! My nam...
028 The Thalamus and Hypothalamus
2.71K Views33 Comments4 Likes
In this video, Leslie explains about the thalamus and the hypothalamus, and the specific functions that they are responsible for. Enjoy! Transcript of Today's Episode Hello and welcome to another episode of Inter...
027 The 3 Parts of the Brain Stem and their Functions
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In this video, Leslie explains about the different parts of the brain stem and their respective functions. Enjoy! Transcript of Today's Episode Hello and welcome to another episode of Interactive Biology TV, wher...
026 The Function of the Cerebellum
2.51K Views49 Comments3 Likes
In this video, Leslie describes the cerebellum and explains how it's involved in coordination of movements. Enjoy! Transcript of Today's Episode Hello and welcome to another episode of Interactive Biology TV, whe...
025 The 4 Lobes of the Cerebrum and their Functions
3.96K Views48 Comments5 Likes
In this video, Leslie tells us about the cerebrum and the specific functions that each of its 4 lobes are responsible for. Enjoy! Transcript of Today's Episode Hello and welcome to another episode of Interactive Bi...
024 Re: nicodube23 How Myelin sheaths Speed up the Action Potential
1.59K Views94 Comments3 Likes
In this video, Leslie clarifies how the myelin sheaths speed up the conduction of the action potential, in response to nicodube23's question posted on YouTube. Enjoy! Transcript of Today's Episode Hello and welco...
023 How Reflexes Work (Knee Jerk and Eye Blink)
2.09K Views102 Comments2 Likes
In this video, Leslie's wife helps to demonstrate both the knee jerk and the eye blink reflexes. Watch as Leslie explains how both of these reflexes work. Enjoy! Transcript of Today's Episode Hello and welcome...
022 Re: Akbar – Inactivation of V-gated Sodium Channels
757 Views98 Comments3 Likes
This is a video answering Akbar's question regarding the difference between the inactive and closed states of voltage-gated sodium channels. Watch as Leslie explains this difference using a box. Enjoy! Transcri...
021 The Mechanism of Addiction
1.12K Views7 Comments1 Likes
So what's the deal with drugs? Why do people get addicted? In this video, Leslie talks about how addiction works at the level of the Neurotransmitter. Wanna know how it works? Curious? Watch the video :D Transcrip...
020 Facilitation
830 Views19 Comments4 Likes
In this video, Leslie explains all about facilitation and illustrates how it causes a stronger and longer signal in the post-synaptic cell. Enjoy! Transcript of Today's Episode Hello and welcome to another episod...
019 What is Summation? (2 Types)
1.71K Views115 Comments3 Likes
When post-synaptic potentials reach the neuron, they can be added up through the process of summation. Watch as Leslie explains this process and expounds on the 2 types of summation. Enjoy! Transcript of Today'...
018 Agonists and Antagonists
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In this video, watch as Leslie explains how agonists and antagonists affect the receptor sites of the cell. Enjoy! Transcript of Today's Episode Hello and welcome to another episode of Interactive Biology TV, whe...
017 Two Types of Receptors
2.66K Views133 Comments4 Likes
After neurotransmitters are released from the cell, they bind to receptors on the next cell. In this video, Leslie explains how the two different types of receptors - the ionotropic and metabotropic receptors - work ...
016 The release of Neurotransmitter
3.09K Views107 Comments1 Likes
When the action potential reaches the axon terminals, something needs to happen in order to transfer that signal from one neuron to another. Watch as Leslie explains the role of neurotransmitters and how their releas...
015 Saltatory Conduction
1.14K Views57 Comments4 Likes
The action potential travels rapidly down the axon. Why? Because of the process of saltatory conduction. In this video, I talk about how that process works. Question? Comments? Leave them below :) - Leslie Samu...
014 The Journey down the Axon
1.58K Views85 Comments1 Likes
Why does the action potential travel in one direction down the axon? Why doesn't it go in reverse? Are there features about the axon that makes that happen? Watch the video and find out. Enjoy! - Leslie Samuel ...
013 A Review of the Action Potential
2.12K Views230 Comments5 Likes
So we've gone over Depolarization, Repolarization and Hyperpolarization in some detail. It's time to do an overall review. Watch the video above to put everything into perspective and solidify your understanding. ...
012 The Absolute and Relative Refractory Periods
4.02K Views104 Comments3 Likes
Refractory Period? What is that? If you are asking that question, then you want to watch this video. It explains why you can't stimulate another action potential at certain times regardless of how strong the stimulus...
011 Hyperpolarization: Last phase of the Action Potential
2.87K Views142 Comments5 Likes
First there's Depolarization, then Repolarization and finally - Hyperpolarization. Want to know what it's all about? Watch the video. It's only 2 minutes and 33 seconds, but it packs a punch. Any Questions or Comm...
010 Repolarization: Phase 2 of the Action Potential
2.57K Views100 Comments5 Likes
Ok, so by now you should have an understanding of Depolarization: Phase 1 of the Action Potential. If not, then what are you doing here? Don't watch this video as yet. Check out the previous video first :) Now your r...
009 Depolarization: Phase 1 of the Action Potential
3.99K Views145 Comments16 Likes
The action potential can be a complicated thing to understand, unless you are dealing with little white plusses on a table :) In this video, I help you visualize the first phase of the action potential - the Depolari...
008 The All-or-None Action Potential
1.49K Views119 Comments7 Likes
Ever wondered why people refer to the action potential as "all-or-none"? Well, I guess you'll just have to watch the video above to understand. In this video, I use the kitchen sink, a paper towel and marbles to brin...
007 What is an Action Potential
2.66K Views205 Comments7 Likes
What is an Action Potential? That's the question I'm answering in todays Interactive Biology Episode. Watch the video above to find out ;) This is the first in my new video format and I really hope you enjoy it. ...
006 Donnan Equilibrium and Driving Force
1.39K Views70 Comments5 Likes
Donnan Equilibrium? Driving Force? What in the world do those things mean? Well, you're about to find out. In this video I explain the concept of Donnan equilibrium and show how that leads to the Driving Force that's ...
005 The Isoelectric Point of Proteins
1.07K Views10 Comments4 Likes
In this video, I talk about the isoelectric points of the proteins inside the neuron and how that results in the proteins having a negative charge. Understanding the negative charge of proteins inside the cell is impo...
004 Ion Channels: The Proteins in the Membrane of Neurons
2.46K Views87 Comments7 Likes
There are 4 important classes of proteins in the membrane of neurons: Passive/Leakage ion channels, Sodium-Potassium pumps, Voltage-gated ion channels, and Ligand-gated ion channels. In order to understand how the neu...
002 An Introduction to Neurons
2.68K Views43 Comments7 Likes
In this Episode, I give an Introduction to neurons. Since Neurons form the basis for the entire Nervous System, understanding what they are and what they do is essential. First I answer the question "What is a neuron...
001 An Introduction to the Nervous System
3.36K Views58 Comments7 Likes
This is the first in my series of BioVid Episodes: Video Tutorials to help with Biology. In the first section of my BioVid Tutorials, I will be dealing with The Nervous System. To start it all off, in this BioVid Epis...
