Fxn Neuro Lec 27 - Dorsal Thalamus Ii

Front 1

In the central portion of the thalamus, what does the IML descend and completely surround?

Back 1

Centromedian Nucleus (CM)

Front 2

This nucleus extends medially from the centromedian nucleus at the central portion of the thalamus and surrounds the fasiculus retroflexus?

Back 2

Parafasicular nucleus (PF)

Front 3

At the coronal section through the central portion of the thalamus, what does the lateral nuclear group consist of dorsally?

Back 3

LD (lateral dorsal nucleus) and LP (lateral posterior nucleus)

Front 4

At the coronal section through the central portion of the thalamus, what does the lateral nuclear group consist of ventrally?

Back 4

VPL (ventral posterior lateral nucleus) and VPM (ventral posterior median nucleus)

Front 5

The lateral dorsal (LD) nucleus recieves afferent connections from what?

Back 5

Medial Parietal and limbic regions

Front 6

The lateral dorsal (LD) nucleus sends efferents to what two structures?

Back 6

medial parietal and posterior cingulate gyrus of the limbic lobe

Front 7

The lateral posterior (LP) thalamic nucleus recieves afferents from what?

Back 7

superior parietal lobule

Front 8

Where does the lateral posterior thalamic nucleus send efferents too?

Back 8

Superior Parietal Lobule

Front 9

Afferents from the medial leminiscus and spinothalamic tracts enter which thalamic nucleus?

Back 9

VPL

Front 10

Where does efferent fibers from the VPL thalamic nucleus go to?

Back 10

Primary and secondary somatosensory cortex

Front 11

What tract synapses in the VPM thalamic nucleus?

Back 11

Trigeminothalamic tract

Front 12

Axons from the solitary nucleus and parabrachial nucleus travel in what tract to the VPMpc thalamic nuclei?

Back 12

C.T.T (taste)

Front 13

Efferents from which thalamic nucleus synapse on the parietal operculum

Back 13

VPMpc

Front 14

Rostral intralaminar nuclei receive afferents from what?

Back 14

reticular formation (ARAS) and spinothalamic tract

Front 15

Rostral intralaminar nuclei send efferents to what?

Back 15

caudate and wide regions of cerebral cortex

Front 16

CM-PF thalamic nucleus receive afferent fibers from what?

Back 16

Medial Pallidal Segment

Front 17

CM-PF send efferents to what?

Back 17

Caudate, Putamen, and wide regions of cerebral cortex

Front 18

This is the largest nucleus of the thalamus and is found in the caudal thalamus at the coronal section through the posterior commissure?

Back 18

Pulvinar

Front 19

These two bodies are situated just below the pulvinar?

Back 19

LGB and MGB

Front 20

This nucleus is seen in all levels of the thalamus and is found between the external medullary lamina and internal capsule?

Back 20

Reticular Nucleus

Front 21

Afferents from this structure synapse in the pulvinar and then go to widespread areas of the cortex?

Back 21

Association Cortex

Front 22

What afferents project to the inferior part of the pulvinar?

Back 22

Superficial layers of the superior colliculus

Front 23

Efferents from the inferior part of the pulvinar go to what areas?

Back 23

Visual association cortex (V2 and V3) (retinotopic projection)

Front 24

Afferents from what go to the medial geniculate body?

Back 24

Inferior colliculus via the brachium of the inferior colliculus

Front 25

Efferents from the MGB go to which two structures?

Back 25

Primary auditory cortex (Transverse gyri of heschl) and Secondary Auditory Cortex

Front 26

Ganglion cells in the retina send fibers to what structure in the thalamus?

Back 26

Lateral geniculate body

Front 27

Which layers of the lateral geniculate body contain crossed fibers from the ganglion cells of the retina?

Back 27

1,4,6

Front 28

Where does the lateral geniculate body send efferent fibers to?

Back 28

Primary visual cortex

Front 29

The reticular nucleus recieves afferents from what?

Back 29

specific and non-specific thalamic nuclei and cerebral cortex

Front 30

The reticular nucleus sends efferents to what?

Back 30

specific and non-specific thalamic nuclei

Front 31

The function of this nucleus, working in parallel with the anterior nuclear group, is to integrate sensory information with autonomic function?

Back 31

lateral Dorsal Nucleus (LD)

Front 32

This nucleus is involved with somatic sensations from the body; discrimination, proprioception, light touch, pain and temperature?

Back 32

Ventral Posterior Lateral

Front 33

This nucleusis involved with somatic sensations from the head; discrimination, proprioception, light touch, pain and temperature?

Back 33

Ventral Posterior Medial

Front 34

This nucleus is involved with taste?

Back 34

VPMpc

Front 35

What is the function of the intralaminar rostral intralaminar nucleus?

Back 35

Part of ARAS - arousel ; Affective component of pain

Front 36

The function of this/these nucleus is motor control of basal ganglia?

Back 36

Centromedian Nucleus AND Parafasicular

Front 37

This nucleus functions to mediate visually guided movements?

Back 37

Lateral Posterior

Front 38

This nucleus functions in tracking visual stimuli and is involved with visual attention?

Back 38

Pulvinar

Front 39

Which thalamic nuclei is involved with audition?

Back 39

MGB

Front 40

What is the funciton of the LGB

Back 40

Vision

Front 41

This nucleus contains GABA and gates relay information through the thalamus?

Back 41

Reticular nucleus

Front 42

VL (Vla and VLp) receives information from (basal ganglia, cerebellum, both, neither)?

Back 42

Both

Front 43

VA sends efferents to (supplementary motor cortex, primary motor cortex, both, neither)

Back 43

Supplementary motor cortex

Front 44

VPL recieves afferents from (medial leminiscus, STT, Both, Neither)

Back 44

Both

Front 45

Parietal Operculum receives fibers from the (VPL, VPMpc, both, neither)

Back 45

VPMpc

Front 46

Trigeminothalamic tract synapse on the (VA, VPL, Both, Neither)

Back 46

Neither (VPM)

Front 47

Amygdala sends fibers to the (LD, DM, Both, Neither)?

Back 47

DM

Front 48

DM sends efferents to the (Primary motor cortex, prefrontal cortex, both, neither)?

Back 48

Prefrontal Cortex