Thalamus

Question 1

The primary relay center of the brain

Answer 1

Thalamus

Question 2

Receives tract from spinothalamic tracts, Dorsal column of spinal cord

Relays to primary somatosensory cortex

Answer 2

Ventral Posterolateral Nucleus (VPL)

Question 3

Receives tract from trigeminal and taste pathway

Relays to primary somatosensory cortex

Answer 3

Ventral Posteromedial Nucleus (VPL)

Question 4

Receives tract from optic pathway from optic tracts

Relays to Primary VISUAL cortex

Answer 4

Lateral Geniculate Body (LGB)

“L” for looking

Question 5

Receives tract from auditory pathway

Relays to Primary AUDITORY cortex

Answer 5

Medial Geniculate Body (LGB)

“M” for music

Question 6

Receives tract from cerebellum and basal ganglia

Relays to precentral MOTOR cortex

Answer 6

Ventral lateral nucleus, Ventral anterior nucleus

Question 7

Responsible for EMOTIONAL and MEMORY, learning and alertness

Answer 7

Anterior/ Dorsomedial Nucleus

Question 8

Very sad syndrome

Manifestation: pure sensory low without weakness of contralateral side
Hemilateral sensory loss of all modalities
Hemilateral pain
Hypersensitivity – if you touch their affected side, they will shout!

Answer 8

THALAMIC INFARCTION (Dejerine-Roussy syndrome or central pain syndrome)