11. Forebrain, Third Ventricle, Related Structure and Cortex

Question 1

What makes up the telencephalon?

Answer 1

Cerebral hemispheres

Question 2

What makes up the diencephalon?

Answer 2

Pineal gland
Thalamus
Hypothalamus

Question 3

What is the name for the telencephalon and diencephalon combined?

Answer 3

Prosencephalon or forebrain

Question 4

What do association fibres connect?

Answer 4

Sites within the same hemisphere

Question 5

What do projection fibres connect?

Answer 5

Cerebral cortex to subcortical structures

Question 6

What do commissural fibres connect?

Answer 6

One cerebral hemisphere to the other

Question 7

What is the frontal lobe associated with?

Answer 7

Intelligence
Calculation
Rational

Question 8

What is the temporal lobe associated with?

Answer 8

Articulation

Question 9

What is the parietal lobe associated with?

Answer 9

Handwriting

Question 10

What is the occipital lobe associated with?

Answer 10

Language

Comprehension

Question 11

Where is Broca’s area?

Answer 11

Anterior inferior portion of frontal lobe

Question 12

What does damage to Broca’s area cause?

Answer 12

Motor/non-fluent aphasia
Laboured speech, missing words
Aware of problem
Dysarthia and dysgraphia

Question 13

Where is Wernicke’s area?

Answer 13

Posterior temporal lobe

Question 14

What does damage to Wernicke’s area cause?

Answer 14

Sensory/fluent aphasia
Auditory incomprehension
With large lesion, may lose ability to read
Confuse words
Unaware of problem

Question 15

Which lobe is the anterior horn of the lateral ventricles in?

Answer 15

Frontal

Question 16

Which lobe is the body of the lateral ventricles in?

Answer 16

Parietal

Question 17

Which lobe is the inferior horn of the lateral ventricles in?

Answer 17

Temporal

Question 18

Which lobe is the posterior horn of the lateral ventricles in?

Answer 18

Occipital

Question 19

What separates the 2 lateral ventricles?

Answer 19

Septum pellucidum

Question 20

Which meningeal layer is the choroid plexus found in?

Answer 20

Pia mater

Question 21

What is anterior to the third ventricle?

Answer 21

Lamina terminalis

Question 22

What is in the floor of the third ventricle?

Answer 22

Optic chiasma
Infundibulum
Mamillary bodies

Question 23

What is the position of the pineal gland?

Answer 23

In epithalamus above superior colliculus

Question 24

What does the pineal gland secrete?

Answer 24

Melatonin

Question 25

What connects the thalami in the midline?

Answer 25

Interthalamic adhesion

Question 26

What is the posterior pole of the thalamus also known as?

Answer 26

Pulvinar

Question 27

What part of the thalamus is used to relay visual information?

Answer 27

Lateral geniculate body

Question 28

What type of information is relayed from the medial geniculate body?

Answer 28

Auditory

Question 29

What is a sign of thalamic lesion?

Answer 29

Contralateral hemianaesthesia

Question 30

Which cranial nerves carry special sensory information?

Answer 30

1 Smell 2 Vision 7 and 9 Taste 8 Hearing and Balance