Action Potential | Graded Potentials

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In this video, Dr Mike explains everything you need to know about how neurons send signals via action potentials!
He also discusses different types of graded potentials including;
- excitatory postsynaptic potentials (EPSPs)
- inhibitory postsynaptic potentials (IPSPs)
And what role neurotransmitters like glutamate and GABA play!
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Опубликовано:

24 апр 2022

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Комментарии : 71

@marziarangel654 2 года назад

You have no idea how much your videos helped me. I'm a slow learner and need repetition, and your methods make everything so clear. I can rewatch your videos and get confident in knowledge. I graduated my program with a 4.0 and I think largely thanks to having access to your videos. Thanks SO much.

@wikkedJ12 3 месяца назад

your teaching style is unmatched - superb content!

@mikeb2644 Год назад

I noticed that RU-vid is featuring this video. Normally I wouldn't care............ .................BUT............"Action Potential" is probably Drs Matt and Mike's best video. Action potential is almost never explained clearly. I've watched many videos on it, and they're almost always bewildering. I was bewildered by action potential........until I watched this INCREDIBLE VIDEO. Made me a fan forever.

@alexcross3286 2 месяца назад

This video saved my life and my grade. Action Potentials used to be my least favorite subject in intro psych and biology classes. could never keep up with all the components when it was being lectured for some reason. “Ligand gated this, voltage gated that, sodium, potassium, ATP, etc” it was overwhelming. I watched this video to help me prepare for a neuroscience exam tho and my mind was blown when I could finally understand the whole process. Not just that but realizing the WHY each part mattered. WHY the sodium-potassium pump is soooo important. That it resets the cell so action potentials can keep firing is amazing to me

@DrMattDrMike Месяц назад

I hope you did well in the exam! 😊

@reirei6464 Год назад

I was so confsued about this concept, but holy crap this changed my whole view of electrical signaling subject, Thanks for the great video!!

@DrMattDrMike Год назад

Glad it helped!

@sommandal8597 6 месяцев назад

After reading from my book i can't understand....but after watching your explanation finally i have a clear cut thoughts about this topic Thanks 😊 Only the students like me fell how much worth your video😊😊😊

@HasanAli-pm6jg 8 месяцев назад

Thanks you dr mike, from today I am one your students. I want to say, you are the best person to explain and teach someone like me. I understand very well. Thanks you please keep more🎉

@user-di2im5tr3w 5 месяцев назад

I was so confused by lecture notes and was sad, suddenly I noticed this video first and watched it. This video literally cleared my doubts and Big THANKS TO DR MIKE FOR MAKING OUR DAYS BETTER.

@thelmangoma7070 2 года назад

And just like that I feel confident to answer any question related to action potential.. Thank you ❤

@CharlesLacarin 2 года назад

Another amazing video. Reviewing content for my paramedic exam and this helped so much !

@braviousbundundoko278 3 месяца назад

Thank you so much Dr. Matt. This video helps a lot with my studies.

@user-bb5cd4tr2i 2 года назад

Honestly I just subscribed right after watching only 2 videos, this is real high quality content & this is really better than some paid contents available. Huge thanks for such great content Doc. U r doing great, keep it up. 👏👏👏

@DrMattDrMike 2 года назад

Thank you! 😊

@animeeditz649 Год назад

Me too

@sophieekhegfejwgk 2 года назад

I have a test on the nervous system today, thanks for the very well-timed refresher video

@belindaalderson7209 Год назад

Thanks Dr Mike great to see an Aussie leading the way in this type of type of education - shame your not teaching at University of Newcastle, NSW but truly thanks for all your help it goes a long way. 🇦🇺

@anaisrodriguez4420 11 месяцев назад

The best explanation yet! Thank you so much for your videos!

@Brandonwalsh18 4 месяца назад

Crazy, you hit all the marks! Definitely got another subscriber just now!

@RagingSymphony 2 года назад

Yet again high quality content. Thanks!

@raga5812 2 года назад

Hii sir I'm from India 🇮🇳 and your lectures are really helping me a lot in my highschool studies 🙏🏻 thanks a lot

@Randomguy-ru7fn 2 года назад

Thank you so much. I had trouble understanding with some of my diagrams but this one made it really clear. Thank you for your efforts.

@mikeyslaps 2 года назад

yo Dr. Mike you lowkey saved my anat and phys grade so thanks for that but also you’re actually jacked please drop the routine

@akpoilihoghenekome8567 Год назад

You've just gained a subscriber after watching 2videos.. thank you Dr matt. Your teachings are very helpful and easy to understand 🥰🥰

@shyannakeesy8686 8 месяцев назад

Thank YOu! i have online anatomy and i had no idea how to figure this out. YOu explained it so clearly. thank you.

@YuvrajParmar-cl8lf 7 месяцев назад

Appreciate your work sir❤ i was having so many doubts related to this topic but after this video my doubts are cleared . Thanks a lot sir❤

@ishasoyza Год назад

Please make a video for propagate of action potential and solitary conduction

@Neuromorphin2 2 месяца назад

Thank you Dr Mike ❤❤

@kimberleyseon6412 6 месяцев назад

So well done. Thank you!

@jacobwn3965 2 года назад

You are my fav Dr, you helped me so much and I hope you keep up the great work

@yixuwang4539 11 дней назад

best explanation ever

@ytzpro 6 месяцев назад

Great explanation. I wish I watched this before my final Anatomy exam loll I would have ended the class with an A!

@lakshmidumpa Год назад

Thank you so much for explaining well.

@jeromenimer1612 Год назад

This is completely mind blowing. I love your videos😍

@MulugetaSolomon-bo3jy 8 месяцев назад

I don't think that is mind blowing

@Random-wc4ob Год назад

Brilliant explanation!

@Akselhtoo 2 года назад

I'M WAITING!!!😍😍😍

@jabirlokhandwala1390 2 года назад

Me too

@Akselhtoo 2 года назад

@@jabirlokhandwala1390 🤗🤗🤗

@stevejones3662 2 месяца назад

Excellent work! Loved this lesson; brilliantly structured explanation. 1 question: Do positive sodium or potassium ions get attracted towards negative areas due to opposing charges or move away from each other by same change repulsion? Same outcome but subtely different reason? And I read somewhere that only small numbers of ions need to move to cause these charge changes?

@mmenadine9222 Год назад

Perfect explanation👍🥇

@doctorsaoodwithacamera 2 года назад

You're exceptional 👏

@shellythalliburton7559 Год назад

Wow!!! Thanks Doc

@mmmlolo6722 2 года назад

Best dr.♥️♥️

@sadeemAbdullah1 Год назад

🫡🫡🫡🫡🫡 اقوى استاذ اتحدااااك يالاستاذ البطل والله شرحك يجنن

@kevinmontoya43 2 месяца назад

This is amazing

@julianfischer4207 Год назад

you may have just saved me from having to drop a and p and having to do a 6th year of undergrad

@gabrielaelias6276 11 месяцев назад

great video !!

@DrMattDrMike 11 месяцев назад

Thank you!

@carlanderson6845 9 месяцев назад

Great video

@chris-mj8792 Год назад

wow thank you so much !!!

@appiahrichard5921 Год назад

I never understood this In class I'll stop attending lectures and watch you videos instead

@easymedicose 2 года назад

V r w8ing sir 🙌♥️

@Startpixie12 2 месяца назад

Did you make a mistake when you said na/k pump restores hyper polarization back to resting membrane potential? That’s not possible because if anything, nak pump will make the inside more negative right.?… what actually restores hyper polarization back to resting membrane potential is the inward rectifier potassium leaky channels , nak pump will help to bring back the ionic concentration gradient.. please correct me if I’m wrong 😊

@laughedagain904 2 года назад

Hello Dr.Mike..please do the special senses

@LTIMES-cw5tw Год назад

GOAT 🐐👍🏼

@jacquelineterrazas3343 Год назад

THANK YOUUU

@DrMattDrMike Год назад

You're welcome!!

@baseleldeep5368 7 месяцев назад

How much EPSP take ?? And how mucjh AP take ??? I heard from my leacturer that EPOS ×10 than AP

@amiraali818 2 года назад

Hey are you guys not doing podcasts anymore?

@blairbeebebee8763 Год назад

Which Na channels have inactivation gate?

@oldschoolwaverider Год назад

I thought they went across the synapse in a vesicle rather than diffused. That’s confused me a bit 😅 formative exam on Monday. Summative 16 days later

@noonereallyknows6643 Год назад

Vesicles containing the neurotransmitters actually fuse with the membrane of presynaptic neuron and "dump" the neurotransmitters outside into the synaptic cleft, and that's how they diffuse across, until they reach postsynaptic receptors. I know you are long finished with your exam but hopefully this response can help someone else. FYI ... vesicles can't leave the membrane which is why it's considered exocytosis - "exo" - outside, "cytosis" - cell

@billymeeks845 Год назад

🙌🏼🙌🏼🙌🏼

@sumaiyajhinuk8637 2 года назад

1.for 3Na Out +2 k in-- causing negativity inside-ok.2.excitation - works on Na+ Ca channel. 3.inhibitory - acts on K channel.2.excitation and inhibition always work on in same time????.pl.sir. Give ans.

@rachell4576 2 года назад

I am not sure about any rare cases. However, based on the definition, if AP occur, it should be a depolarizing period before the AP can occur and it means the cell is being experienced EPSP. If it strong enough, the summation of these Graded potential (EPSP) such as the appearance of Glutamate then enough positive so become AP. Otherwise, if there is the appearance of GABA, the neutron is experienced IPSP, it means the cell becoming more negative and far away from threshold to be depolarizer so AP cannot occur. And AP characteristic is “all or non”, which means fired or not fired. You question about if EPSP AND IPSP can happens at same time or not, I believe the same time if EPSP and IPSP is during the summation of GRADED Potential, if 2 EPSP OCCUR WITH 2IPSP, then it will be canceled out and no AP occur! This is my opinion based on what I understand! If you have more idea about it, please correct me!