Hacker News new | comments | show | ask | jobs | submit login

Hemispherectomy patients do not decrease in IQ as much as one might assume. Typically less than 15 points. Some have no change and others even a slight improvement.

While not directly comparable, as these are brains with massive problems, you don't remove half just for the fun of it, it's still a testament to the resilience and redundancy of the organ.

Guidelines | FAQ | Support | API | Security | Lists | Bookmarklet | Legal | Apply to YC | Contact