Miscellaneous EEG Review Cards

Question 1

EEG cap placement:

Cz should be at __% between nasion & inion

Answer 1

Cz should be at 50% between nasion and inion

Question 2

EEG cap placement:

Fz should be at __% between nasion and inion

Answer 2

Fz should be at 10% between nasion and inion

Question 3

Sampling rate:

Answer 3

number of samples taken per second

1000Hz = 1 data point per millisecond

Question 4

If sampling rate is too LOW, this could lead to:

Answer 4

aliasing

Question 5

High-Pass Filter allows _____

Answer 5

High-Pass allows HIGH frequencies

based on a lower cutoff

Question 6

Low-Pass filter allows _____

Answer 6

Low-Pass allows LOW frequencies

based on higher cutoff

Question 7

Line frequency noise, slow voltage shifts, alpha waves not elicited by stimuli, and blinks are:

Answer 7

Common EEG artifacts

Question 8

First EEG recording by _____ in 19__

Answer 8

Hans Berger, 1924 (on his son)

Question 9

First component ever reported: _______

by _______ in 19__

Answer 9

CNV (Contingent Negative Variation)

Grey Walter, 1964