Thalamus

Question 1

Structure: Pathways to and from the brain

Answer 1

Internal Capsule

Question 2

Structure: Processing station where information is organized before being transmitted to the cerebral cortex

Answer 2

Thalamus

Question 3

3 Functions of the Thalamus

Answer 3

1. Receives all sensory inputs EXCEPT olfactory
2. Tranmisison of conscious pain, touch, and temp
3. Receives and process all internal motor systems

Question 4

Function of Thalamus - General arousal via

Answer 4

Reticular connection

Question 5

Function of Thalamus - Sensory connections via

Answer 5

SC and Brainstem

Question 6

Function of Thalamus - Motor connections via

Answer 6

Basal ganglia and cerebellum

Question 7

Function of Thalamus - Emotional tone/affect via

Answer 7

Limbic system and prefrontal lobe connections

Question 8

Term: Outward appearance of emotion

Answer 8

Affect

Question 9

Anterior Nucleus of Thalamus

1. Relays information FROM
2. Relays infromatino TO
3. Contrtibues to

Answer 9

1. Subcortical limbic structures
2. Cortical limbic structures (cingulate gyrus)
3. Emotional Tone

Question 10

Dorsomedial Nucleus of Thalamus

1. Relays information FROM
2. Relays infromatino TO
3. Contrtibues to

Answer 10

1. Prefrontal Lobe
2. Prefrontal Lobe
3. Judgement and Reasoning

Question 11

Ventral Anterior Nucleus of Thalamus

1. Relays information FROM
2. Relays infromatino TO
3. Contrtibues to

Answer 11

1. Globus Pallidus of Basal Ganglia and Cerebellus (secondary)
2. Premotor Areas and MI (secondary)
3. Motor planning and regulation

Question 12

Ventral Lateral Nucleus of Thalamus

1. Relays information FROM
2. Relays infromatino TO
3. Contrtibues to

Answer 12

1. Cerebellum and globus pallidus of basal ganglia
2. M1 (cerebellum) and premotor areas (basal ganglia)
3. Motor output regulation

Question 13

Ventral Posterior Nucleus of Thalamus

1. Relays infromatino TO
2. Contrtibues to

Answer 13

1. Sensory areas of the Cortex
2. Somatosensory and vestibular information

Question 14

Pulvinar Nucleus of Thalamus

1. Relays information Among

Answer 14

1. Cortical association cortices including areas 5&7; 18&19

Question 15

Broadmann’s Area: Secondary Somatosensory Cortex

Answer 15

Areas 5 and 7

Question 16

Broadmann’s Area: Secondary Visual Cortex

Answer 16

Areas 18 and 19

Question 17

Lateral Geniculate Nucleus of Thalamus

1. Relays information

Answer 17

To the primary visual cortex (area 17)

Question 18

Broadmann’s Area: Primary Visual Cortex

Answer 18

Area 17

Question 19

Medial Geniculate Nucleus of Thalams

1. Relays information

Answer 19

1. To the primary auditory cortex (area 41)

Question 20

Broadmann’s Area: Primary auditory cortex

Answer 20

Area 41

Question 21

Nuclei: Relay arsoual information from the reticular system to widespread areas of the brain

Answer 21

Intralaminar, centromedian, and midline nuclei of the thalamus

Question 22

Internal Capsule Function by Region

1. Anterior
2. Genu
3. Posterior

Answer 22

1. Affective (projects to limbic system and prefrontal cortex)
2. Motor (projects from cortex to internal motor system)
3. Motor (from cortex) and Sensory (down brainstem and SC)