Cortical Motor Control Flashcards

1
Q

Vestibulospinal

A

Stabilising head during body movement.
Coordinate head with eye movement

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

Reticulospinal

A

Changes muscle tone in voluntary movement

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

Tectospinal

A

Orientation of head and neck during eye movement

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

Rubrospinal

A

Mainly taken over by corticospinal tract

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

What is motor neurone disease

A

Progressive neurodegenerative disorder of motor system

Aka amyotrophic lateral sclerosis

upper and lower motor neurone signs

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

What is apraxia

A

Disorder of skilled movement

Lesion in premotor cortex and SMA

Cause- dementia and stroke

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Caudate nucleus function

A

Decision to move

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

What is lentiform

A

Putamen and external globus pallidus

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

What is caudate and putamen

A

Striatum

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

Function of lentiform and striatum

A

Elaborating associated movement like swinging arms when walking

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

Function of substantia nigra (midbrain)

A

Suppressing unwanted movement

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

What part of basal ganglia help perform movements in order

A

Ventral pallidum, nucleus basalis

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

Parkinson’s symptoms

A

Bradykinesia
Hypomimia
Akinesia
Rigidity
Pill-rolling tremor

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

Parkinson’s disease definition

A

Degeneration of dopaminergic neuron that originates in substantia nigra and projects to striatum

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

Bradykinesia

A

Slow movement

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

Hypomimic

A

Expressionless

17
Q

Akinesia

A

Difficult initiating movement

18
Q

Huntington’s disease definition

A

Degreneration of GABAergic neurons in striatum, caudate and then putamen

19
Q

Huntington’s disease symptoms

A

Choreic movement,
Jerky involuntary movement,
Speech impairment,
Difficulty swallowing,
Unsteady gait,
Later stages- dementia

20
Q

Ballism

A

Usually from stroke affecting subthalamic nucleus, sudden uncontrolled flinging contralaterally

21
Q

Cerebellum function

A

Coordinate and predictor of movement

22
Q

Main signs of cerebellar dysfunction (apparent only on movement)

A

Ataxia
Dysmetria
Intention tremor
Dysdiadochokinesia
Scanning speech

23
Q

Ataxia

A

Impair movement coordination and accuracy,

Wide base (drunken) gait

24
Q

Dysmetria

A

Inappropriate force and distance for movement

25
Intention tremor
Tremor worsen before reaching target
26
Dysdiadochokinesia
Inability to perform rapid alternating movement
27
Vestibulocerebellum
Posture, equilibrium, gait Coordination of head movement with eye movement. Damage(tumor) here cause syndrome similar to vestibular disease -gait ataxia + tendency to fall
28
Spinocerebellum
Speech, muscle tone, limb movement Damage here(degeneration/atrophy from alcohol) Abnormal gait and wide stance
29
Cerebrocerebellum
Skilled movements, cognitive function, attention, processing language, emotional control Damage here affects arm, skilled movement (tremor and speech)
30
what can you do to make the reflex larger and the name of this manoeuvre
clenching teeth, making fist, pulling against locked fingers jendrassik manoeuvre