Topic 9 Final Exam

Question 1

What are the three steps outlined for how actions are produced using a brain-machine
interface?

Answer 1

Step 1 – Read/Record brain activity

Step 2 - Use computer algorithm to
match recorded signals (brain activity) to
actions

Step 3 – Send interpreted signal to
effector (machine) to make the action

Question 2

What is the difference between passive and active control of a prosthetic? What are examples
of these types of prosthetics?

Answer 2

Passive: like a hook, doesn’t move

Active: Body has to move to activate the prosthetic or signal needs to come from brain to contract a muscle to make the prosthetic move

Question 3

How is the idea of internal models related to BMI’s? (Brain-Machine/computer interfaces)

Answer 3

sensory input to determine the motor command, and then has to determine how the robot will perform this command