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The Action Potential 

ThePenguinProf
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6 сен 2024

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Комментарии : 122   
@Penguinprof
@Penguinprof 12 лет назад
The Nodes of Ranvier act as amplifiers. The signal strength weakens as it travels down the axon but at the nodes you get a new AP. :)
@petebrayscuba
@petebrayscuba 12 лет назад
One of the best scientific lectures/explanations on youtube... and I've seen a lot! Thanks.
@kimberlyschafer2791
@kimberlyschafer2791 11 лет назад
I'm doing a correspondence course and I'm often left with questions and no one to draw me a picture, both literally and figuratively. I think I have it now, thanks for the great graphics!
@hecutler1111
@hecutler1111 12 лет назад
Hello Professor - I am getting a master's in human anatomy and physiology instruction (MS HAPI) and am researching ways to learn histology at the undergraduate level via the internet. I hope you don't mind, but after reviewing several other You Tube sites and presentations, I have chosen yours to represent instructional narratives with visual aids. Bravo to you for putting these together! I wish you great success.
@Penguinprof
@Penguinprof 11 лет назад
Sorry... this is one of the areas I had to simplify because it's beyond the scope of most of my intended audience. In truth, there are at least 5 different types of voltage-dependent K+ channels in human axons. For details, check out the article by Reid et. al., in Journal of Physiology 518.3. Hope that helps!
@Zhengotsang
@Zhengotsang 12 лет назад
You've a knack for explaining things and making it interesting and understandable . The best video I ever watched on this topic. Thank you so much. Subscribed!
@doragouider7065
@doragouider7065 3 года назад
Youpiiiii. Eureka said one of your fans. Wow this sooo stimulating, it's like I made a discovery myself. God Bless you, you're amazing.
@Penguinprof
@Penguinprof 3 года назад
Wow, thank you!
@Penguinprof
@Penguinprof 12 лет назад
Thanks so much and GOOD LUCK TO YOU!!! It takes a lot of courage, I know. :)
@Steroidsman123
@Steroidsman123 12 лет назад
16 minutes ago I didn't understand action potentials...now I do! Thank you very much - I have an exam on tuesday (at GCSE level) so although for me this is in a little too much depth, if a question on action potentials comes up, I think I'll have a much better understanding.
@brynnmassie
@brynnmassie 11 лет назад
I learned more in fifteen minutes of this video than two days of class...THANK YOU!!!!!!!!!
@Yourmom12224
@Yourmom12224 12 лет назад
Thanks a bunch got a test tomorrow and got confused in my lecture.. This set everything straight for me..Thanks again
@EbrahimMohamedcadabra
@EbrahimMohamedcadabra 11 лет назад
Thanks again for such wonderful explanation, I have to admit that I didn't understand much about nervous system before I watched this video
@DoeDonDoe
@DoeDonDoe 11 лет назад
If only my book could make the same effort to explain the action potential this clearly. Bravo!!
@AudreysFlwrs
@AudreysFlwrs 11 лет назад
Your video was very clear and very helpful! I am teaching AP Biology for the first time and I was at a total loss of how to teach action potential until I watched your video. Thank you!
@ElTerrible2011
@ElTerrible2011 12 лет назад
I was a little skeptical at first when I saw that you were going to incorporate kids running out of class rooms and relationships with the action potential but you managed to break it down quite well when it was all said and done. Good job.
@Mohamedizzeldin2
@Mohamedizzeldin2 12 лет назад
Why didnt i see this before my physiology exam . Precious information well appreciated :)
@SONYTEEVEE
@SONYTEEVEE 11 лет назад
that was the best explanation Ive ever heard on this topic, thank you
@CardiacRn333
@CardiacRn333 11 лет назад
Hands down my favorite explination of the sodium-potassium pump in regards to action potential!
@iliv44
@iliv44 12 лет назад
THANK YOU SO MUCH YOU ARE SO AMAZING, I LOVE YOUR TOME OF VOICE, THE ANALOGIES UTILIZED IN YOUR VIDEO. It has made it that much more comprehensible for me, in my case returning to school after many, many years away being a mom! It's makes perfect sense!
@UraniumFire
@UraniumFire 12 лет назад
The best explanation of action potential I've seen, and this is my third course studying biology in some form. Thank you for clarity and substance.
@Jet1nTheSky
@Jet1nTheSky 11 лет назад
Thank you very much for making this video, You've explained much better than our doctor did, I'll be watching it over and over!!
@CrespoSA
@CrespoSA 3 года назад
BEST EXPLANATION I EVER SEEN. THANK YOU!
@Penguinprof
@Penguinprof 3 года назад
Wow, thanks!
@12345Helper
@12345Helper 12 лет назад
no video was able to teach like this one!!! thanks a ton!!!! :D i was sick the day my teacher taught this, im in gr.12 bio and i was able to understand this really well. THANK YOU!
@celiahansen55
@celiahansen55 9 лет назад
You really make this clear. THANK YOU!
@JEXICOL
@JEXICOL 12 лет назад
PHENOMENAL ! I have my test tomorrow ~ this video is extremely well done !
@JEXICOL
@JEXICOL 12 лет назад
I am in the same situation... starting my program after many years ! =) Good luck Maria !
@kybra61
@kybra61 13 лет назад
Thank you very much for all of your vids. You are a great motivation, greets from Germany
@DoeDonDoe
@DoeDonDoe 11 лет назад
Best explanation of the action potential on youtube!! Thank you for uploading this!! Some videos were incorrect/didnt mention potassium. Don't make an educational video if you dont know how to youtubers!!!
@Hakimw21
@Hakimw21 7 лет назад
honestly best teacher ever
@mrMNKJIU
@mrMNKJIU 8 лет назад
Having a bioscience test coming up soon, your channel (be it sodium or potassium) helped made revision easier
@Penguinprof
@Penguinprof 8 лет назад
So glad to hear it! GOOD LUCK!!!
@valon1005
@valon1005 11 лет назад
THANK YOU SOOO MUCH!!! NOW I UNDERSTAND ABOUT THIS NERVE IMPULSE THING. THANK YOU SOOO MUCH!!!! I LOVE YOU!!
@Trovatore75
@Trovatore75 12 лет назад
Best Video I have found so far - Thank you!
@TheMystique333
@TheMystique333 12 лет назад
It was really helpful. Expecting more videos from you in future.
@CarolineEDoner
@CarolineEDoner 12 лет назад
Such an excellent explanation! Thank you so much.
@jonstewopt
@jonstewopt 12 лет назад
Superb explanation. Born communicator - thanks!
@sohailashehata6184
@sohailashehata6184 6 лет назад
Amazing, wonderful, and such a brilliant way to explain this difficult concept. Thank's
@dson425
@dson425 12 лет назад
Thank you for this video. I'm studying for my Biology I final and this helped me clear out a lot of confusions. I subscribed right away!
@hgerry
@hgerry 11 лет назад
Very clear and concise, this video was just what I was looking for. Thanks!
@lebanese9000
@lebanese9000 11 лет назад
You are amazing. Thank you. Your explanation indeed helped me understand the process!!
@Wushu360
@Wushu360 11 лет назад
you're a fantastic professor/teacher! thank you
@captfalconXX
@captfalconXX 8 лет назад
Amazing lecture ! Thanks
@Penguinprof
@Penguinprof 8 лет назад
+captfalconXX Thank you for watching! So glad it was helpful.
@CRYPTOMIN-fj1ir
@CRYPTOMIN-fj1ir 6 лет назад
big love from Egypt you made it sop clear for me
@sydgautyae5118
@sydgautyae5118 11 лет назад
Thank you so much for your videos. :) The explanations and visual aid really aided me in understanding action potential!
@rawrkeez
@rawrkeez 12 лет назад
Very well explained, thanks so much!
@PoochHoney
@PoochHoney 12 лет назад
YOU ARE AMAZING!!!! Thank you and please continue making more videos!!!
@satch72
@satch72 11 лет назад
There you go, so much easier than the 11 page handout our professor gave us...
@spfaff
@spfaff 13 лет назад
This is gold. Thank You!
@ssutamm
@ssutamm 11 лет назад
Informative and fun to watch :) Thanks for making this video. No more prob..situatiations with APs ;)
@snapsnapdik
@snapsnapdik 13 лет назад
Wow thats a lot of information..is there a video on youtube that kinda explains the big picture. Because I now know this little part and how it works but where in the brain is it in relation to other parts. But great video :)
@kapitidreamer
@kapitidreamer 12 лет назад
Thank you!! Great explanation.
@emikoisabel
@emikoisabel 12 лет назад
You are so helpful, thank you so very much!
@EbrahimMohamedcadabra
@EbrahimMohamedcadabra 11 лет назад
Thank you so much for such comprehensive explanation, Can you please tell me what kind of software for your great lectures, ? thanks
@Anonymous-pm7jf
@Anonymous-pm7jf 5 лет назад
Thank you very much for this.
@PKJ1011
@PKJ1011 11 лет назад
Soooo helpful! Thank you !
@roflontex
@roflontex 12 лет назад
Thanks. This is brilliant!
@ysrdb1
@ysrdb1 11 лет назад
Awesome, helped me a lot, thanks
@Kellyanny5k
@Kellyanny5k 12 лет назад
Wonderful. Much appreciated!
@SuKi7188
@SuKi7188 12 лет назад
jeez, i wish you were my teacher. this helped soooo much!
@CataclysmicKitten
@CataclysmicKitten 12 лет назад
Ahh, thank you so much! You explain that so well. I feel a lot better about my understanding of neurons. :)
@Immollation1
@Immollation1 12 лет назад
Wonderful and interesting lesson!! Thank you!
@levexis
@levexis 5 лет назад
The insulation on a wire is not to prevent signal loss, it is to prevent a short circuit.
@atajeri1991
@atajeri1991 12 лет назад
Thank you , this was very very very Helpful ;)
@ginatruong5975
@ginatruong5975 9 лет назад
I appreciate you. Thank you.
@zapp6122
@zapp6122 6 лет назад
Wow good way of explaining....thank u so much
@MrGlennvt
@MrGlennvt 12 лет назад
Just like night and day. Thanks
@carloss.182
@carloss.182 6 лет назад
If the cell membrane were hyperpolarized to a resting potential of -110 mV, what would be the effect on the potential opening of K+ channel?
@kevinibrus102
@kevinibrus102 3 года назад
That's super useful, thanks!
@Penguinprof
@Penguinprof 3 года назад
Glad it was helpful!
@kevinibrus102
@kevinibrus102 3 года назад
BTW our professor really digs your whole approach to all these topics. I suppose it gives an alternative perspective that makes the material really stick with the student
@angelataylor2883
@angelataylor2883 12 лет назад
Thank you so very much!! You made this concept finally click for me!! :)
@rubbadingyrabids
@rubbadingyrabids 12 лет назад
This is amazing. Even if you are in university.
@ira878787
@ira878787 12 лет назад
!!Thanks for a great video-explanation 3> from Israel
@bonnieamof7033
@bonnieamof7033 10 лет назад
You are so Awsome!!! Thank You so much!! Very Detailed but still Simple enough.
@michelelovestimmy
@michelelovestimmy 12 лет назад
Awesome video!!!
@axelengelen8137
@axelengelen8137 11 лет назад
you say that the K+ channels are always open. Than how do you explain that the repolarisation is much slower than the depolarisation?
@kelvin1011000
@kelvin1011000 12 лет назад
this is so good
@afnangh7128
@afnangh7128 11 лет назад
THANKYOU SO MUCH !!! THANKYOU THANKYOU!
@annie947
@annie947 12 лет назад
great video thanks
@leinaddaniel1705
@leinaddaniel1705 12 лет назад
That was really really amazing and really damn perfect clear........... I understood every single bit.....!!! #Loved it#.....!!!
@thatobb
@thatobb 12 лет назад
Oh woman!!! I love you!!!!!!!
@fionwhite8305
@fionwhite8305 11 лет назад
ty very much :) it is really helpful!
@gashslj
@gashslj 12 лет назад
Thanks, it's awesome!
@bethanycoleman21
@bethanycoleman21 12 лет назад
WONDERFUL!
@xx0ink
@xx0ink 11 лет назад
Hello prof, is action potential and positive or negative feedback loop? How so?
@yousrazouine1853
@yousrazouine1853 12 лет назад
thks it was really helpfull !
@moony404
@moony404 11 лет назад
i could'nt undersatnd a word untill i saw ur video!!!phew!!
@robertocastillo1399
@robertocastillo1399 12 лет назад
thanks you so much!
@racingadam.3533
@racingadam.3533 7 лет назад
interesting, clear and fun...great
@faryalabbas369
@faryalabbas369 12 лет назад
great video, keep it up :)
@mikesoward6083
@mikesoward6083 9 лет назад
Thanks!
@Linz6420
@Linz6420 12 лет назад
Thank you very much. :)
@harveenkaur4684
@harveenkaur4684 8 лет назад
Thank you so much! That was helpful!
@Penguinprof
@Penguinprof 8 лет назад
+Harveen Kaur I'm so glad to hear it! Thanks for watching!
@ElineB91
@ElineB91 12 лет назад
THANK YOU!!!!!!
@alwin3705
@alwin3705 11 лет назад
Thanks for the great thorough explanation! The Jamaica made me laugh pretty hard :)
@allysonrodriguez2209
@allysonrodriguez2209 11 лет назад
You are amazing! No more worry here 'mon'...
@francobrasilicano
@francobrasilicano 12 лет назад
amazing!
@JoanmDi
@JoanmDi 11 лет назад
muchas gracias
@Foulrs18
@Foulrs18 12 лет назад
Thank you soo much = D
@bookworm4231
@bookworm4231 12 лет назад
you are a goddess! thank you sooo much!!!
@jonathansinyinza6441
@jonathansinyinza6441 9 лет назад
THANKS..THIS WAS COOL..
@Maasa1NEWS
@Maasa1NEWS 12 лет назад
thank u
@shnarikapowell7277
@shnarikapowell7277 8 лет назад
You are amazing!!!
@Penguinprof
@Penguinprof 8 лет назад
+Shnarika Powell Thank you!!!! I'm glad you found this helpful.
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