Horizontal plane

Question 1

Name it and state its function.

Answer 1

Choroid plexus.

• Tissue producing CSF.

Question 2

Name.

Answer 2

Lateral ventricle.

Question 3

Name and state its function.

Also, state areas where it receives it inputs from.

Answer 3

Optic radiation.

• Connects lateral geniculate nucleus—->occipital lobe.

Receiving input from:

• retina, optic nerve and optic tract.

Question 4

Name.

Answer 4

Occipital lobe.

Question 5

Name.

Answer 5

The posterior horn of lateral ventricle.

Question 6

Name.

Answer 6

Splenium of Corpus Callosum.

Question 7

Name.

Answer 7

Genu of Corpus Callosum.

Question 8

Name and state its function.

Answer 8

Fornix.

• Allows information to travel to the hippocampus from the mamillary bodies, and is mostly involved in the pathway of memory and learning.

Question 9

Name , state its function and the artery that supplies it.

Answer 9

Insula.

• Visceral sensation and autonomic control.

Supplied by:

• Middle cerebral artery.

Question 10

Name and state its function.

Answer 10

Caudate nucleus.

• Execution of voluntary skeletal movement, cognition and emotion.

Question 11

Name, state its function and components.

Answer 11

Internal capsule.

• White appearance, sensory and motor fibres to and from the cortex.
• Processing of movement, lesions causes weakness in limbs.

Question 12

Name, state its function and its inputs/outputs to or from other regions of the brain.

Answer 12

Putamen.

• Regulating movement and learning, via GABA, acetylcholine and enkephalin.
• Inputs: sensory and motor from Cortex.
• Outputs: sends to globus pallidus.

Question 13

Name this, state its function and inputs/outputs.

Answer 13

Thalamus.

• Acts as a gatekeeper and modulator, outputs to the cortex and inputs from the brainstem.