Podcast
Questions and Answers
What is the primary purpose of an electroencephalogram (EEG)?
What is the primary purpose of an electroencephalogram (EEG)?
- To record electrical activity in the brain (correct)
- To assess muscle activity in the body
- To measure blood pressure in the brain
- To analyze heart rate variability
What is the frequency range of the theta wave?
What is the frequency range of the theta wave?
- Between 7.5 and 13 Hz
- Between 3.5 and 7.5 Hz (correct)
- Less than 3 Hz
- Greater than 13 Hz
At what age is the alpha wave typically seen in normal relaxed adults?
At what age is the alpha wave typically seen in normal relaxed adults?
- After the thirteenth year (correct)
- Up to 13 years old
- Up to 1 year old
- After the twentieth year
What happens to the alpha wave when the eyes are opened or alerted by any mechanism?
What happens to the alpha wave when the eyes are opened or alerted by any mechanism?
What is the highest amplitude wave in EEG?
What is the highest amplitude wave in EEG?
What is the term for the brain cells communicating through electrical impulses?
What is the term for the brain cells communicating through electrical impulses?
What is the function of the amplifier in an EEG?
What is the function of the amplifier in an EEG?
What is the frequency range of the delta wave?
What is the frequency range of the delta wave?
Where is the alpha wave typically seen in the head?
Where is the alpha wave typically seen in the head?
At what stage of sleep do delta waves dominate?
At what stage of sleep do delta waves dominate?
When do brain cells normally communicate through electrical impulses?
When do brain cells normally communicate through electrical impulses?
How are the electrical impulses from the brain sent to be recorded?
How are the electrical impulses from the brain sent to be recorded?
What disappears when the eyes are opened or alerted by any mechanism?
What disappears when the eyes are opened or alerted by any mechanism?
What is the highest amplitude wave in an EEG recording?
What is the highest amplitude wave in an EEG recording?
At what age is the theta wave normal in children?
At what age is the theta wave normal in children?
