The developing brain Flashcards
1
Q
How we call sell devision?
A
Proliferation
2
Q
What myelination do to axons?
A
Increases speed by 100 times
3
Q
What is regulary gaps in myelination?
A
Node of Ranvier
4
Q
How is called death of cells?
A
Apoptosis
5
Q
How is called life-sustaining chemical signals
A
Trophic factors
6
Q
How much weight average newborn brain?
A
370 grams
7
Q
What is plasticity?
A
Ability of the brain to modify itself and adapt
8
Q
What is the most important brain area to wired up?
A
Prefrontal cortex (PFC)
9
Q
What is normal when we age? What isn’t?
A
Normal is a little lose of neurons, anormal decline in memory, cognitive ability
10
Q
What is theory of brain aging?
A
“Last in, first out”
11
Q
What is two region that continue adding neurons?
A
Olfactory bulbs and dentate gyrus
