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Questions and Answers
What is the primary function of a Responsive Neurostimulation (RNS) system?
What is the primary function of a Responsive Neurostimulation (RNS) system?
- To treat brain tumors
- To detect and respond to abnormal brain activity (correct)
- To monitor brain activity for research purposes
- To provide a constant stimulation to the brain
What type of sensors are used in an RNS system to detect seizures?
What type of sensors are used in an RNS system to detect seizures?
- Functional Near-Infrared Spectroscopy (fNIRS) sensors
- Magnetic Resonance Imaging (MRI) sensors
- Electroencephalography (EEG) sensors (correct)
- Computed Tomography (CT) sensors
What is the purpose of the neurostimulator in an RNS system?
What is the purpose of the neurostimulator in an RNS system?
- To monitor heart rate
- To provide a warning before a seizure occurs
- To store data on brain activity
- To deliver electrical stimulation to the brain to stop a seizure (correct)
What is the material used in the electrodes of an RNS system?
What is the material used in the electrodes of an RNS system?
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What is the benefit of using an RNS system to detect seizures?
What is the benefit of using an RNS system to detect seizures?
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Study Notes
Overview of Responsive Neurostimulation (RNS) System
- A type of neurostimulator that can detect and respond to seizure activity in real-time
- Designed to prevent or reduce the severity of seizures
How RNS System Works
- Electrodes are implanted in the brain to detect abnormal brain activity that may lead to seizures
- The neurostimulator (generator) is implanted in the skull, connected to the electrodes
- When abnormal activity is detected, the generator sends electrical pulses to the brain to disrupt the seizure activity
- The system continuously monitors brain activity and adjusts the treatment in real-time
Materials Used for Detecting Seizures
- Electrodes: Platinum-iridium or platinum-clad electrodes are used to detect brain activity
- Neurostimulator (Generator): Titanium or ceramic casing, components include a battery, circuit board, and electrical contacts
- Leads: Insulated wires that connect the electrodes to the neurostimulator, typically made of platinum-iridium or stainless steel
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Description
This quiz explores the working principle of Responsive Neurostimulation (RNS) system, a neurostimulation therapy designed to detect and prevent seizures. Learn about the materials used to detect seizures and how RNS works.
