EEG Flashcards
(27 cards)
What does EEG stand for?
Electroencephalography
True or False: EEG measures electrical activity in the brain.
True
What is the primary use of EEG?
To diagnose and monitor neurological conditions
Fill in the blank: EEG uses _______ to detect brain waves.
electrodes
Name one common condition that EEG is used to diagnose.
Epilepsy
What are brain waves?
Patterns of electrical activity in the brain
Multiple Choice: Which of the following is NOT a type of brain wave? A) Alpha B) Beta C) Gamma D) Omega
D) Omega
What frequency range do Delta waves fall into?
0.5 to 4 Hz
True or False: Alpha waves are associated with deep sleep.
False
What is the frequency range of Alpha waves?
8 to 12 Hz
Fill in the blank: Beta waves are typically present during _______ activity.
active thinking
What frequency range do Beta waves fall into?
12 to 30 Hz
What is the primary difference between Gamma and Beta waves?
Gamma waves have a higher frequency than Beta waves.
True or False: EEG can be used to monitor brain activity during sleep.
True
What are the four main types of brain waves measured in EEG?
Delta, Theta, Alpha, Beta
Fill in the blank: Theta waves are associated with _______ states.
light sleep or relaxation
What frequency range do Theta waves fall into?
4 to 8 Hz
Multiple Choice: Which of the following brain waves is associated with meditation? A) Delta B) Alpha C) Beta D) Gamma
B) Alpha
What is the significance of Gamma waves in brain function?
They are associated with cognitive processing and high-level information.
True or False: EEG can detect brain tumors.
True
What is a common artifact that can affect EEG readings?
Eye movements or muscle activity
What is the typical duration of an EEG test?
20 to 40 minutes
Fill in the blank: EEG results are often displayed as a _______ graph.
waveform
What does a flat EEG reading indicate?
No detectable brain activity
