ABRET Normal Variants,
Normal/Abnormal Adult EEG with
Complete Solutions
What environmental factors enhance lambda?
a. low illumination visual scene
b. noxious stimuli
c. loud sounds
d. scanning high complexity visual scene - ANSWER-scanning high complexity visual
scene
What is the electrical abnormality associated with breach rhythm?
a. a focal high voltage electrical generator in the cortex
b. a focal low impedance swelling of the scalp
c. a focal high impedance pathway through the skull
d. a focal low impedance pathway through the skull - ANSWER-a focal low impedance
pathway through the skull
Bancauds phenomenon, alpha squeak, and paradoxal alpha all have to do with:
a. a reaction of the background
b. an abnormality of the background
c. nonresponsiveness of the alpha rhythm
d. drowsy effect on the alpha rhythm - ANSWER-a reaction of the background
What normal activity would be seen most prominently at the C3 or C4 electrode
position?
a. alpha
b. mu
c. POSTS
d. FIRDA - ANSWER-mu
Rare 6-11 Hz negative sharp arciform waves, most commonly seen in adults over 30
years in the mid-temporal regions
a. RMTD
b. mu
c. wickets
d. midline theta rhythm - ANSWER-wickets