Site BarCharts
Legend: blue = eyes open (EO), gold = eyes closed (EC) or baseline, pink = challenge condition (CC)
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Client's name: |
Default User |
Assessment date: |
26/09/2013 15:09:40 |
Legend: blue = eyes open (EO), gold = eyes closed (EC) or baseline, pink = challenge condition (CC)
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Site |
EC |
EO |
CC |
Fz |
1.36 |
2.20 |
0.00 |
F3 |
1.37 |
0.00 |
0.00 |
F4 |
1.38 |
0.00 |
0.00 |
Oz |
0.77 |
1.49 |
0.00 |
Alpha should quickly rise on closing eyes, most prominently at the back of the head (> 50%), then drop down again when the eyes open.
Site |
Response |
Blocking |
Oz |
382.2 % |
-315.5 % |
Alpha speed is a measure of brain efficiency and correlates with intelligence. Optimal alpha dominant frequency is 10Hz and above.
Site |
DF (EC) |
DF (EO) |
Ratio (EC) |
Ratio (EO) |
Fz |
9.3 Hz |
8.6 Hz |
1.88 |
2.04 |
F3 |
9.2 Hz |
0.0 Hz |
2.91 |
0.00 |
F4 |
9.2 Hz |
0.0 Hz |
2.27 |
0.00 |
Oz |
9.5 Hz |
9.0 Hz |
1.51 |
1.69 |
Site |
EC |
EO |
CC |
Fz |
0.57 |
1.99 |
0.00 |
F3 |
0.66 |
0.00 |
0.00 |
F4 |
0.60 |
0.00 |
0.00 |
Oz |
0.27 |
1.40 |
0.00 |
Optimal brain state: theta, alpha and beta are within 10%. Imbalances may correlate to emotional problems.
Sites |
Theta |
Alpha |
Beta |
Hi Beta |
T:B |
F3-F4 (EC) |
9.5 % |
-0.8 % |
10.1 % |
12.3 % |
-0.5 % |
Sites |
Delta |
Theta |
Alpha |
Beta |
Hi Beta |
F3-F4 (EC) |
0.79 |
0.71 |
0.95 |
0.59 |
0.44 |
Optimal brain state: more alpha at the back, especially in EC condition, and more beta in the front. Reversals may correlate with weak executive function.
Sites |
Theta |
Alpha |
Beta |
Hi Beta |
T:B |
Fz-Oz (EC) |
24.8 % |
-68.2 % |
-40.7 % |
-43.1 % |
75.6 % |
Fz-Oz (EO) |
15.2 % |
-23.2 % |
-28.5 % |
-19.9 % |
48.1 % |
Sites |
Delta |
Theta |
Alpha |
Beta |
Hi Beta |
Fz-Oz (EC) |
0.62 |
0.51 |
0.79 |
0.31 |
0.44 |
Fz-Oz (EO) |
0.75 |
0.50 |
0.51 |
0.29 |
0.42 |
Site |
EC |
EO |
CC |
Fz |
0.51 |
0.82 |
0.00 |
F3 |
0.69 |
0.00 |
0.00 |
F4 |
0.68 |
0.00 |
0.00 |
Sites |
Theta |
Alpha |
Beta |
Hi Beta |
T:B |
Fz-F3 (EC) |
-0.1 % |
15.4 % |
0.9 % |
-35.6 % |
-1.0 % |
Fz-F4 (EC) |
9.4 % |
14.5 % |
11.1 % |
-20.8 % |
-1.5 % |
This assessment is based on two recordings:
(i) F3-F4 in eyes-closed only
(ii) Fz-Oz, EC-EO-EC