Descending motor pathways - corticospinal and corticonuclear tracts (upper motor neurons)

How does the motor cortex tell our muscles to move?
In this video, Dr. Mike will explain how we can move the muscles of the head and neck (corticonuclear) and skeletal muscles of the rest of the body (corticospinal).

[imperiusss]

please make all clinical relevant motor and sensory pathways! you are doing a brilliant job! thank you

[liisbetlamp]

Incredibly helpful!! Makes it so much easier to understand and remember. THANK YOU!!!

[michellegrace]

This video has been a lifesaver. Thank you so much!

[tomworrall]

Thanks so much. Clear and engaging explanation. Revising for MRCPsych exams.

[queenope]

i think you like the medulla a lot cos u always mix it with the midbrain.
thanks for the video was reaaally helpful

[brandonwalker]

I will have to watch this many more times. I try not to get caught up too much in terminology and just get the idea and then focus on terminology last. It seems like this was a lot of information and it is quite complex. However, the illustrations and diagrams help a lot. Thank you Doctor.

[kevinjohansyah]

Thank you for the effort doing these videos, helps a lot !

[yazhinivenkat]

Thank u very much Matt you are absolutely great in explaining such concepts ...thanks for your effort

[chiquelemon]

Thank you soooo much for this amazing video! You guys help me out so much! So thankful

[hamasahamed]

Dr Mike, thank you so much for this video. I really appreciate it!
I was just wondering if this is correct - The corticonuclear tract axons (corticonuclear tract axons = upper motor neuron axons) synapse with the lower motor neuron cell bodies (lower motor neuron cell bodies = cell bodies of cranial nerve nuclei) in the ventral grey horn of the spinal cord. Could you please kindly let me know?
Thanks a million!

[vasileiospetropoulos]

Have u also Done another video with ascending pathways?

[deekircher]

Thank you for sharing these great videos

[phanikumar]

Thanks bro ...love ur videos ...very helpful ...pls do continue this good work ...and please do videos in pharmacology and microbiology

[michaelgilman]

Dr. Mike,

Thank you. Terrific review and relearning lecture for me as a practicing Internal Medicine PA in the US.

Small points for clarification here: genu means knee not elbow, crus cerebri and cerebral peduncle explanation a teent bit confusing... "anterior third of mid-brain" or anterior most region of mid brain divided into thirds? And what happened to the caudate nucleus?

Thanks again,
Mike Gilman PA-C
Cape Cod, Massachusetts

[wypy]

Thanks helps me a lot plz upload more videos

[tolufalaye]

Genu means knee not elbow. It was well done but it looks a lot like the video made by Ninja Nerd Science but thank you for doing that because he didn't cover the corticonuclear tract

[pritamshil]

Sir, What is the long term memory storage capacity of an adult human brain ?

[julia-rosesatre]

Hey ! Love your videos, from MD Griffith GC - just wondering if these videos are applicable for our bmb exams? or should we focus more on our dissas stuff?

[healthscoutptwernergrosse]

Q: is that humunculus symmetrical on both brain hemispheres?🤔

[Shaukat]

For corticonuclear - CN 7 and 12 have contralateral innervation on the superior aspect only, as they are divided into superior and inferior, they dont have full bilateral innervation..

Also I think it would have been better if u did CST and CNT seperately, bcas otherwise it gets confusing.. But great teaching.. Keep up the great work!!