Somatosensory tracts | Organ Systems | MCAT | Khan Academy
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- Опубліковано 6 вер 2024
- Created by Matthew Barry Jensen.
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Dear Khan Academy, Wow! I am so excited to find Neuropsych simplified. These UA-cam videos revisit the basic building blocks that are necessary knowledge for further understanding of Neuropsych. Your videos have helped me tremendously this semester. Thanks again🤓 Kim
Thank you guys u really did and do help me a lot ! i wonder why our lecturers cant put it simply like tht before diving too deep into the anatomy and terminologies ! well, just thank u for ur kind efforts :)
Oh my god, the way you describe is so much easier. My teacher gave me a handout with whole bunch of tracts and I was like WTF? Now I have a visual idea what's going on!
you are doing a wonderful job .keep it up.
you explain things in the best possible way .
this stuff is precise there are no unnecessary details and goes at just the perfect speed
IS THIS YOU, WILL FORTE?
Great job btw
isnt dorsal column ipsilateral? For example, lesion on the right side of the vibration pathway will cause right sided symptoms.
Med Life Only if it’s below the point of crossing. DCML definitely crosses, it just does it higher up, at the medulla.
this kind of helped me but it´s a little bit of a cluster fuck with a lot of lines going to random locations. i think you should have zoomed in more tbh. great video nonetheless
thanks for making it so simple and easy understandable...... thanks khan academy.....
Well, that's nice and vague... :^(
Thanks
2022
Very brief though
Nice one
why is the decussation higher than where the nerves enter for some nerves but not others?
+huricane threeonesix I would advise you just check out some more detailed resources regarding ascending spinal tracts if they're giving you trouble. For a shortnote, your DCML neurons (fine touch/proprioception/vibration) ascend ipsilaterally, then decussate in the medulla, forming the medial lemniscus. After that, they ascend further into the VPL of the thalamus, then the postcentral gyrus. That's just how they are formed.
On the other hand, your AL system (pain/temp) synapses in the dorsal horn near the level of their spinal cord entry, then immediately decussates through the anterior white commissure. It then ascends up to the VPL of the thalamus, then out to the postcentral gyrus.
There's really no trick to remembering it, other than just drawing the pathways and understanding the spatial locations. My professors haven't ever mentioned any explicit reasoning of why AL decussates immediately, nor why DCML decussates in the medulla. They just do.
+Andrew Wheeler Thanks for replying and thanks for a pretty damn good answer! I'll be sure to check the link :)
2:25
Tomatoe
What is this???
Not the boom!
reverent Lovejoy is that you?
👍👍👍🇩🇪
died
Get that mic outta your mouth you don't know where its been