Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Neuroscience > Pathways > Flashcards

Pathways Flashcards

1
Q

Is the Lemniscal tract motor or sensory?

A

-Epicritic sensory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Is the Lemniscal tract conscious or unconscious?

A

-Conscious

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Where does the Lemniscal tract begin?

A

-Dorsal root axons in the spinal cord which enter and rise through the gracile and cuneate fasciculi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Where does the Lemniscal tract end?

A
  • The fasciculi synapse in the medulla at the gracile and cuneate nuclei
  • They then cross at the internal arcuate fibers, and become the medial lemniscus.
  • The medial lemniscus ascends to the thalamus.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Does the Lemniscal tract cross, and if so, where?

A

-Yes, at the internal arcuate fibers in the medulla.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What makes up the anterolateral tract?

A
  • Spinothalamic tract
  • Spinoreticular tract
  • Spinomesencephalic tract
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Where does the spinothalamic tract begin?

A

-Dorsal root axons that synapse immediately at the dorsal horn of the spinal level that they enter at

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Where does the spinothalamic tract end?

A

-After ascending via the anterolateral tract, it terminates at the thalamus on several nuclei (espec. posterior and VPL)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Does the spinothalamic tract cross? If so, where?

A

-Yes, the majority of neurons cross at the spinal level which they enter.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Is the spinothalamic tract motor or sensory?

A

-Both conscious and unconscious protopathic sensory from trunk and limbs.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Is the spinoreticular tract motor or sensory?

A

-Protopathic sensory from the trunk and limbs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Where does the spinoreticular tract begin?

A

-Dorsal root axons that synapse immediately at the dorsal horn of the spinal level they enter at.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Where does the spinoreticular tract end?

A

-After ascending via the anterolateral tract, it terminates at the reticular formation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Does the spinoreticular tract cross? If so, where?

A

-Yes, neurons cross at the spinal level they enter at

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Is the spinomesencephalic tract motor or sensory?

A

-Protopathic sensory from the trunk and limbs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Where does the spinomesencephalic tract start?

A

-Dorsal root axons of the spinal level at which they enter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Where does the spinomesencephalic tract end?

A

-After ascending via the anterolateral tract, neurons synapse at the periaqueducatal gray area of the midbrain and superior colliculus.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Does the spinomesencephalic tract cross, and if so, where?

A

-Yes, neurons cross immediately at the spinal level they enter at.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Is the spinocerebellar tract motor or sensory?

A

-Sensory regarding position, force production, and movement of limbs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Where does the spinocerebellar tract begin?

A
  • Axons from the lower limb and trunk which ascend from the gracile fasiculus to the nucleus of clark in the thoracic cord.
  • Axons from the upper limb and trunk which ascends via the cuneate fascicles to the lateral cuneate nucleus.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Where does the spinocerebellar tract end?

A

-the cerebellum as either the dorsal spina-cerebellar tract (lower limb and trunk) or the cuneo-cerebellar tract (upper limb and trunk.)

22
Q

Does the spinocerebellar tract cross, and if so, where?

A

-No

23
Q

What are the components of the pyramidal system?

A
  • Cortico-bulbar
  • Cortico-pontine
  • Cortico-spinal
24
Q

Does the corticobulbar tract carry motor or sensory info?

A

-Motor to the head and neck

25
Q

Where does the corticobulbar tract begin?

A

-The lobes of the neocortex, primarily frontal and parietal lobes

26
Q

Where does the corticobulbar tract end?

A

-Cranial nerve nuclei in the brainstem (11 most caudal)

27
Q

Does the corticobulbar tract cross, and if so, where?

A

-Tract does not cross

28
Q

Does the corticopontine tract cary sensory info or motor info?

A

-Motor to cerebellum (how the cerebellum gets the plan)

29
Q

Where does the corticopointine tract start?

A

-Cortex, primarily frontal and parietal lobes

30
Q

Where does the corticopontine tract end?

A

-Pontine nuclei/Cerebellum

31
Q

Does the corticopontine tract cross, and if so, where?

A

-Yes, after the synapse at the pontine nuclei

32
Q

Does the corticospinal tract carry motor or sensory info?

A

-Motor

33
Q

Where does the corticospinal tract begin?

A

-Cortex (frontal and parietal, specifically the motor and premotor areas)

34
Q

Where does the corticospinal tract end?

A

-Spinal motor neurons

35
Q

Does the corticospinal tract cross, and if so, where?

A

-Yes, caudal medulla

36
Q

What makes up the extrapyramidal tract?

A
  • Vestibulospinal tract
  • Tectospinal tract
  • Reticulospinal tract
  • Rubrospinal tract
37
Q

Does the vestibulospinal tract carry sensory info or motor info?

A

-Motor

38
Q

Where does the vestibulospinal tract begin?

A

-Vestibular nucleus

39
Q

Where does the vestibulospinal tract end?

A

-Spinal motor neurons

40
Q

Does the vestibulospinal tract cross, and if so, where?

A

-Yes, caudal medulla

41
Q

Does the tectospinal tract carry sensory or motor info?

A

-Motor

42
Q

Where does the tectospinal tract begin?

A

-Tectum

43
Q

Where does the tectospinal tract end?

A

-Spinal motor neurons

44
Q

Does the tectospinal tract cross, and if so, where?

A

-Yes, caudal medulla

45
Q

Does the reticulospinal tract carry sensory or motor info?

A

-Motor

46
Q

Where does the reticulospinal tract begin?

A

-Cortex, primarily frontal and parietal lobes, specifically premotor and motor areas

47
Q

Where does the reticulospinal tract end?

A

-Spinal motor neurons

48
Q

Does the reticulospinal tract cross, and if so, where?

A

-Yes, caudal medulla

49
Q

Does the rubrospinal tract carry sensory or motor info?

A

-Motor

50
Q

Where does the rubrospinal tract begin?

A

-Red nucleus

51
Q

Where does the rubrospinal tract end?

A

-Spinal motor neurons

52
Q

Does the rubrospinal tract cross, and if so, where?

A

-Yes, caudal medulla

Neuroscience (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions