Wednesday, August 6, 2008

Brain Factoid

"The average adult brain weight of a human is 1300-1400 g; an adult gorilla's brain weighs only 500 g."

- From Dan Brat's introductory chapter in Prayson's Neuropathology (2005). By the way, it is rumored that Prayson has agreed with the publisher (Elsevier) to come out with a second edition of this book, perhaps sometime in 2010.

4 comments:

Brajesh said...

Is intelligence related to brain weight?

Anonymous said...

That question cannot be answered unless one defines the word 'intelligence'. But weight is probably not exactly correlated with intelligence. There are probably species that have heavier brains than we do, but are not more intelligent. However, I bet that intelligence correlates with neocortical surface area. And I bet that humans have more of that than any other species!

Anonymous said...

dude, "snaps!" for your blog.
or should I say "synapse!!" for your blog.
anon...
a non-neuropathologist who gets the gist of it...

Brian E. Moore, MD said...

Thanks, Anonymous one! If you have any suggestions for future posts, be sure to let me know!