Anatomy - Brainstem

Question 1

What are the inputs to the inferior colliculi?

Answer 1

Cochlea and brainstem nuclei

Question 2

What are the outputs from the inferior colliculi?

Answer 2

Thalamic medial geniculate body and auditory cortex

Question 3

What are the functions of the inferior colliculi?

Answer 3

Relays auditory information and sound localisation

Question 4

What are the inputs to the superior colliculi?

Answer 4

Visual cortex and retina

Question 5

What are the outputs from the superior colliculi?

Answer 5

Tectospinal tract and brainstem

Question 6

What are the functions of the superior colliculi?

Answer 6

Eye tracking movements and gaze shifting

Question 7

What are the inputs to the mamillary bodies?

Answer 7

Hippocampus via fornix

Question 8

What are the outputs from the mamillary bodies?

Answer 8

Anterior nucleus of thalamus and cingulate

Question 9

What are the functions of the mamillary bodies?

Answer 9

Episodic, implicit, and spatial memory

Question 10

What are the functions of the tectum?

Answer 10

Vision and hearing

Question 11

What are the functions of the cerebral peduncles?

Answer 11

Movement via pyramidal tracts

Question 12

What are the functions of the tegmentum?

Answer 12

Movement via components of extrapyramidal system i.e. substantia nigra and red nucleus

Question 13

What nervous system are the cranial nerves a part of?

Answer 13

PNS

Question 14

What are the 12 cranial nerves?

Answer 14

1. Olfactory
2. Optic
3. Oculomotor
4. Trochlear
5. Trigeminal
6. Abducens
7. Facial
8. Vestibulo-cochlear
9. Glosso-pharyngeal
10. Vagus
11. Accessory
12. Hypoglossal