Body Repair Flashcards
- Signals from the brain
Robotic lower-arm prosthetic receives directions from _
Brain
- Signals from the brain
Prosthetic receiving directions from brain involves monitoring electrical signals in _ or in its remaining arm muscles
Arm’s nerves
- Signals interpreted
Prosthetic arm’s computer now interprets signals, having been taught which nerve signals pattern relates to which _
Intended movement
- Bionic hand
Processor sends instructions to hand, where there is a powerful _
Electric motor
- Bionic hand
Motor connected to fingers via _
Mechanical linkages
- Bionic hand
Mechanical linkages are a system of _ and _
Rods
Hinges
- Signals to the brain
Many modern robotic prostheses also have _
Sensory feedback
- Signals to the brain
Touch and strain sensors in the fingers transmit signals to the processor, which passes them into the brain, via _
Nerves
_ carry signals from brain
Motor neurons
_ carry signals from hand to brain
Sensory neurons
_ pick up tiny electrical signals in muscles where prosthetic is fitted
Sensors
Signals from sensor passes to _
Microprocessor
_ converts signal from and too brain
Microprocessor
Sensors in fingertips can detect (2)
Pressure
Vibration
_ allow for a variety of movements
Mechanical linkages
