Frontal coronal section

Question 1

Name this and state its function.

Answer 1

Corpus Callosum.

• Bundle of fibres connecting both cerebral hemispheres together.

Question 2

Name this and state its function.

Answer 2

Putamen.

• Regulates movement and types of learning via the use of GABA, Acetylcholine and enkephalin.

Question 3

Name this, state its function, pathways and cellular components.[5 marks]

Answer 3

Caudate nucleus.

• Voluntary skeletal movement, learning and behaviour.

Medium spiny neurons utilising GABA and some Cholinergic.

From cortex–>CN–>hippocampus, Gp and thalamus.

Question 4

Name this and state its function.

Answer 4

Septum pellucidum.

• Separates the frontal horns and the body of the ventricles at the midline.

Question 5

Name this and state its function.

Answer 5

Fornix.

• Outgoing pathway to the hippocampus, mainly involved in memory.

Question 6

Name this and state its function.

Answer 6

Anterior commissure.

Interconnects:

• Amygdala, temporal lobes and cerebral hemispheres.
  
  • working with the posterior commissure.

Question 7

Name this and state its function.

Answer 7

Infundibular stalk.

• Connects posterior pituitary gland to the hypothalamus.
  
  • From hypothalamus to the posterior pituitary.

Question 8

Name this and state its function.

Answer 8

Insula.

• pain perception, emotions and behaviour affected.
  
  • True function unknown as it is located within Sylvian fissure proving difficult to reach.

Question 9

Name this, state its function, components[2] and the difference in pathways.

Answer 9

Internal capsule.

Anterior limb:

• Thalamus—>frontal lobe( fibres).
  
  • functions such as emotion and cognitive thinking.

Posterior limb:

Corticospinal tracts and corticopontine tracts:

• Corticospinal tract: