Pathways Flashcards

1
Q

Which pathways are reactive?

A

Spinothalamic

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2
Q

Which pathways are discriminative?

A

Dorsal column-medial leminicsus

Spinocerebellum

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3
Q

Which motor pathways are voluntary?

A

Pyramidal- cerebral cortex

  • corticospinal
  • corticobulbar
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4
Q

Which motor pathways are involuntary/ autonomous?

A

Extrapyrmidal- brainstem

  • reticulospinal
  • tetcospinal
  • ruborospinal
  • vesticbulospinal
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5
Q

What is spinothalamic

A

Spinal cord- thalamus- cortex
Anterior- Pressure and tough
Lateral- Pain and temp

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6
Q

What is dorsal column-medial leminiscus pathway?

A

Lemon with good posture (proprioceptive)
T6 above- cunate nucleus
T6 below- gracile nucleus

Light touch/ vibration

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7
Q

What is spinocerebellum

A

Spine to cerebellum
Unconscious
Prorioceptive

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8
Q

What is corticospinal?

A
Below head 
Ends at spinal cord 
Desiccates 
-lateral pyramids of medulla 
-anterior spinal cord
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9
Q

What is corticobulbar?

A

Head and neck

Ends at brainstem

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10
Q

What is reticulospinal?

A

Reticular formation to spinal cord

Facilitates and inhibits voluntary movement

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11
Q

What is tectospinal?

A

Tectum (Superior colliculi) to spinal cord

Vision- head moves towards the light

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12
Q

What is ruborospinal?

A

Red nucleus to spinal cord
Caught red handed
fine control of hand

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13
Q

What is vestibulospinal?

A

Vestibular nuclei to spinal cord

Balance

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14
Q

What do the inferior and superior colliculi do?

A

Superior= Vision

Inferior- Auditory

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15
Q

Brocco’s area

A

actually speaking-frontal (motor)

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16
Q

Werneickes area

A

Understanding speech

17
Q

Pre central gyrus

A

Motor

18
Q

Post central gyrus

A

Somatosensory

Touch something, feel it later

19
Q

What is the limbic system?

A

Inlcudes thalamus, hypothalamus, basal nuclei, cerebral cortex and olefactory cortex

Controls visceral functions through the autonomic NS and endocrine
Involved in- Emotions, memory, reproduction and nutrition

20
Q

What are the 3 cerebral white matter fibres?

A

Association
commissure
projection

21
Q

What are association fibres?

A

Same hemisphere, connect areas

Example= fornix

22
Q

What are projection fibres?

A

Connect one cerebrum to other part of the brain/spinal cord

Example= Internal capsule

23
Q

What are commissure fibres?

A

Connect one hemisphere to the other

Example- corpus collosum

24
Q

What is the occipital part of the brain for?

A

Vision

25
Q

What is the frontal part of the brain for?

A

Personality and memory, emotion and motor

26
Q

What is parietal for?

A

Language and touch- contains wernickes area

27
Q

What is the cerebellum for?

A

Movement and coordination

28
Q

What is the temporal for?

A

Hearing, learning and feelings

29
Q

What is the brainstem for?

A

Heart rate, breathing and temperature