psych soc Flashcards
1
Q
neurulation
A
formation of neural groove surrounded by two neural folds from the ectoderm overlying the notochord at 3-4 weeks ga
2
Q
neural crest
A
cells on leading edge of neural fold
3
Q
notochord
A
induces formation of the nervous system
4
Q
neural tube
A
formed by the closure of the neural furrow, forms CNS, has alar and basal plate
5
Q
alar plate
A
differentiates to sensory neurons
6
Q
basal plate
A
differentiates to motor neurons
7
Q
rooting reflex
A
baby turns head towards cheek touch
8
Q
moro reflex
A
baby abrupt head movement to flinging arms to slowly retract arms and cry, should disappear by 4 mo
9
Q
babinski reflex
A
stimulate sole of foot to toe spread
10
Q
grasping reflex
A
baby close hand around object in hand