Question

What does "pruning" the brain mean?

Answer 1

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Answer 2

Post that here: http://openstudy.com/study#/groups/Biology :) Enjoy!

Answer 3

@wavy_red
By the time an infant is two or three years old, the number of synapses is approximately 15,000 synapses per neuron (Gopnick, et al., 1999). This amount is about twice that of the average adult brain. As we age, old connections are deleted through a process called synaptic pruning.
https://faculty.washington.edu/chudler/plast.html

Answer 4

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Hey there!!! Since you are new here, read this legendary tutorial for new OpenStudiers!! http://goo.gl/5pp1u0

@wavy_red You might not have noticed but you are in the "OpenStudy Feedback" subject. Hover your mouse where it says OpenStudy Feedback and find the correct subject by clicking the 'Find More Subjects' button or simply clicking the correct subject in the list that you have already studied :)

Alternately, you can click this subject link to get there faster :)
http://www.openstudy.com/study#/groups/Biology