Thalamus

Question 1

Releases melatonin and is controlled by sympathetics.

Answer 1

Pineal (part of epithalamus

Question 2

Limbic nuclei with projections to the brainstem. Involved in negative reward system.

Answer 2

Habenular nuclei

Question 3

Which sensory pathways have direct projections to the thalamus?

Answer 3

All except olfaction.

Question 4

Which thalamic nuclei doesn’t project to the cerebral cortex?

Answer 4

Reticular thalamic nuclei.

Question 5

Relay nuclei

Answer 5

Receive a specific input from the sensory or motor systems.

Question 6

Association nuclei

Answer 6

Inputs from multiple parts of the cortex.

Question 7

What state are thalamic neurons in when they are rhythmically depolarizing, with a burst at the peak of depolarization?

Answer 7

Burst state.

Question 8

Thalamic nuclei in rapid depolarizations in an excitatory state called?

Answer 8

Tonic mode

Question 9

Which tier contains mostly relay nuclei?

Answer 9

Ventral

Question 10

Which tier contains mostly association nuclei?

Answer 10

Dorsal

Question 11

Involved in the somatosensory system, receives input from medial lemniscus and spinothalamic tract.

Answer 11

Ventral Posterior Lateral Nucleus.

Question 12

Receives information from the trigeminal system.

Answer 12

Ventral Posterior Medial Nucleus

Question 13

Involved in planning, initiating, and controlling movement.

Answer 13

Ventral Lateral Nucleus

Question 14

Involved in only planning and initiation of movement.

Answer 14

Ventral Anterior Nucleus

Question 15

Input from the visual system, projects to primary visual cortex

Answer 15

Lateral Geniculate

Question 16

Input from inferior colliculus, projects to Heschel’s gyrus (primary auditory cortex).

Answer 16

Medial Geniculate

Question 17

Functions in attention and eye movement. (2)

Answer 17

Pulvinar and Lateral Posterior Nuclei

Question 18

Has a role in learning and emotions

Answer 18

Anterior and lateral dorsal nuclei

Question 19

Functions in eye-head control and attention

Answer 19

Lateral mediodorsal and Intralaminar Nuclei

Question 20

Destruction of this nuclei causes memory loss via Wernicke-Korsakoff syndrome.

Answer 20

Medial mediodorsal and midline nuclei

Question 21

Regulates thalamic function and does not project to cerebral cortex

Answer 21

Reticular thalamic nucleus.