BCIA Neurofeedback & EEG 2

Question 1

Which EEG frequency band is most associated with deep sleep and delta-wave activity abnormalities in brain injury?

Accepted Answer

Delta (0.5–4 Hz)

Answer

Alpha

Answer

Beta

Answer

Gamma (>30 Hz)

Question 2

In QEEG (quantitative EEG), a Z-score compares an individual's brain activity against what reference?

Accepted Answer

A normative database matched for age

Answer

Their own prior recordings

Answer

A group of clinical patients

Answer

A universal constant

Question 3

The coherence measure in QEEG reflects what aspect of brain activity?

Accepted Answer

The degree of synchrony (phase relationship) between two electrode sites

Answer

The absolute power at a given site

Answer

The asymmetry between left and right hemispheres

Answer

The peak frequency of dominant rhythm

Question 4

Which EEG band is associated with active cognitive processing, problem-solving, and is often increased during mental tasks?

Accepted Answer

Beta (13–30 Hz)

Answer

Delta

Answer

Theta

Answer

Alpha

Question 5

What is the 'Peniston Protocol' primarily used for in neurofeedback?

Accepted Answer

Substance abuse recovery via deep alpha/theta states

Answer

ADHD management via SMR/beta training

Answer

Seizure suppression via slow cortical potential training

Answer

Peak performance via gamma enhancement

Question 6

Slow cortical potential (SCP) neurofeedback trains which EEG feature?

Accepted Answer

Very slow voltage shifts over seconds

Answer

High-frequency gamma bursts

Answer

Alpha spindles

Answer

Beta coherence