4 ms·
I studied neuroscience and remembered the first time that I had seen a "homunculus" diagram and 3D chap. Not something you can unsee. The one that I first saw
by intrasight 4y ago
I studied neuroscience and remembered the first time that I had seen a "homunculus" diagram and 3D chap. Not something you can unsee.
The one that I first saw in grad school was the illustration by Slagter.
https://anatomytool.org/content/slagter-drawing-cortical-motor-and-sensory-homunculus-no-labels https://anatomytool.org/content/slagter-drawing-cortical-mot...
I remember thinking at the time that nature had tucked the genitals inside wall of the gyrus in order to give it as much protection from blunt force trauma as possible.
The homunculus chap pictured in that article is the SFW/SFK variety. A more NSFW version can be seen here
https://movementum.co.uk/journal/2020/1/23/homunculus-man https://movementum.co.uk/journal/2020/1/23/homunculus-man
Last night I after seeing this in HN, I did some googling and found this interesting article
https://www.scientificamerican.com/article/where-are-genitals-represented-in-the-brain https://www.scientificamerican.com/article/where-are-genital...
TL;DR:
"Penfield wrote that the lack of responses from other patients may have been because of 'a false sense of modesty.'"
"But, somewhat amazingly, scientists are still without a firm answer as to how to draw a homunculus with the correct placement of male and female genitalia."
"The key to finally pinning down the location of the genitals, as with everything in science, will be large sample sizes and repeated experiments with consistent methods. In the past 40 years, 17 studies using several different imaging and stimulation techniques have mapped the genitals of 264 people—an average of just 15 people per study. Small wonder that they disagree."