Tremor supression

Question 1

Name 3 ways to integrate devices to suppress tremor

Answer 1

Hard exosuit
Soft exosuit
Neural interface activation

Question 2

What are the goals for BMI in tremor suppression?

Answer 2

• to establish causality between motor
  intent and assistance,
• to induce neuroplasticity,
• to obtain natural operation (in-control),
• to promote embodiment of these
  technologies in motor programs

Question 3

What are the two types of tremor

Answer 3

Parkinsons Disorder (PD)
Essential tremor

Question 4

Explain how essential tremor works, which parts of the brain are involved?

Answer 4

ET originates at one brain network oscillating at the tremor frequency, between 3-10 Hz.
The cerebellum, thalamus and sensory and motor cortices contribute to this rhythmic activity.
Task-specific
Larger handwriting
Good response to alcohol

Question 5

Explain Parkinson’s disorder

Answer 5

When resting
Stiffness etc
No improvement after drinking alcohol
Smaller handwriting
Less dopamine

Question 6

What is sPES for Tremor Suppression?

Answer 6

sPES (Suppression Peripheral Electrical Stimulation):
technique used to reduce tremors.
Delivers electrical stimulation to peripheral nerves.
Modulates nerve activity to decrease involuntary muscle movements associated with tremors.

Question 7

Are brain activity and oscillations affected by sPES?
Is there any change in connectivity between brain areas?

Answer 7

Yes and yes (more for ET i think)

Question 8

Is spinal cord transmission of tremor disrupted by sPES?

Answer 8

sPES can disrupt the transmission of tremor signals in the spinal cord, reducing tremor intensity.

Question 9

Are spinal inhibitory and excitatory reflex loops modulated by sPES?

Answer 9

Both spinal inhibitory and excitatory reflex loops can be modulated by sPES, helping to control tremors.

Question 10

Do people still have the same force and movement perception during and after stimulation?

Answer 10

Most people retain their normal force and movement perception during and after sPES.

Question 11

Is there any sensory loss during and after sPES?

Answer 11

There is generally no significant sensory loss during or after sPES.

Question 12

Is there any effect on fine motor control during and after sPES?

Answer 12

Fine motor control can be improved during and after sPES, as tremor suppression enhances the precision of movements.

Question 13

Kanske fel: What is WR and WS (sPES)?

Answer 13

WR - Wide Range (of parameters, freq, intensity etc)
WS - Wide Spectrum, targeting a broader array of nerve fibres