Medial Coronal section.

Question 1

Name this and state its function.

Answer 1

Corpus Callosum.

• Bundle of nerves connecting both cerebral hemispheres.

Question 2

Name and state its function.

Answer 2

Lateral ventricles.

Question 3

Name this and state its function.

Answer 3

Hippocampus.

• Ability to form new long term memories, especially spatial memory and direction.

Question 4

Name this and state its function.

Answer 4

Thalamus.

• Gatekeeper and modulator of sensory inputs being sent to cortex.

Question 5

Name this and state its function.

Answer 5

Third ventricle.

• Contain CSF fluid from lateral ventricle—->Third ventricle—>Fourth ventricle.

Question 6

Name this and state its function.

Answer 6

Caudate nucleus.

• Controls voluntary skeletal movement.
• Further in learning, motivation, reward , etc…

Question 7

Name this ,state its function and the name of the structures closely associated with it.

Answer 7

Putamen.

• Linked with the corpus striatum, involved in feedback loop to prepare and aid in movement of limbs.

Question 8

Name this, state its function and its components[4 marks].

Answer 8

Globus Pallidus.

• Controls conscious and proprioceptive movements.

Components:

• Gpe: intrinsic nucleus
  
  • relays information.
• Gpi: output nucleus.
  
  • Outputs information to the thalamus.

Question 9

Name this and state its function.

Answer 9

Crus Cerebri.

• Connects both hemispheres to the cerebellum.
  
  • Forming the middle cerebellar peduncle.

Question 10

Name this and state its function. Also, state all 3 fibres involved.

Answer 10

Basilar pons.

• Provides information to the cerebellum through fibres.
  
  • corticospinal fibres, corticonuclear, corticopontine.

Question 11

Name this and state its function.

Answer 11

Claustrum.

• ​Theorised: processing of complex stimuli into consciousness??

Question 12

Name.

Answer 12

Temporal horn of lateral ventricle.

Question 13

Name this, state its function and consequence of lesion in this area.

Answer 13

Fornix.

• Transmits outgoing signals to the hippocampus via neurotransmitters with the main purpose of episodic memory.

Transmits Theta waves aswell.

Lesion: anterograde amnesia.

Question 14

Name this and state its function. And what tract is involved?

Answer 14

Mamillary bodies.

• Project to the anterior nucleus of the thalamus( via mamillothalamic tract), with main functions of spatial and recollective memory.