Lecture 2

Question 1

Name all 12 Cranial Nerves

Answer 1

• Olfactory
• Optical
• Oculomotor
• Trochlear
• Trigeminal
• Abducens
• Facial
• Auditory Vestibular
• Glossopharyngeal
• Vagus
• Spinal Accessory
• Hypoglossal

Question 2

What is the germ layer responsible for developing the nervous system in an embryo?

Answer 2

Ectoderm

Question 3

What is the nervous system structure during the embryonic stage?

Answer 3

Neural Tube

Question 4

What are radial glia?

Answer 4

They send radial processes to the outer surface. The radial process allows neurons to migrate on it.

Question 5

What is the relay center of visual information?

Answer 5

Lateral Geniculate Nucleus

Question 6

In early development, how many days does it take for ocular dominance to show after eye opening?

Answer 6

5 days after eye opening

Question 7

Do ocular columns shrink after 1 day of monocular deprivation when the subject is at 4-8 weeks of age?

Answer 7

Yes, it takes much longer at 12 weeks of age (month).

Question 8

What is critical period?

Answer 8

When plasticity increased through the experience that changes the structure of the brain and starts to solidify a function. ( Language)