Normy eegbiofeedback
Table 1 Study 1 Descriptive Statistics in Microvolts (n = 34)
Eyes - Open |
Ratio T/B |
Theta 4-8 Hz |
Beta 13-21 Hz |
Alpha 8-12 Hz |
SMR 12-15 Hz |
Mean |
1.79 |
10.69 |
6.44 |
9.3 |
4.36 |
S.D. |
0.44 |
3.58 |
2.21 |
5.01 |
1.52 |
Minimum |
0.84 |
0.77 |
3.31 |
3.21 |
2.44 |
Maximum |
2.73 |
19.68 |
14.28 |
22.52 |
9.50 |
Eyes - Closed |
Ratio |
Theta |
Beta |
Alpha |
SMR |
Mean |
1.55 |
12.37 |
8.12 |
16.62 |
5.08 |
S.D. |
0.42 |
3.86 |
2.61 |
8.33 |
1.85 |
Minimum |
0.89 |
6.64 |
3.93 |
4.21 |
2.31 |
Maximum |
2.30 |
21.92 |
15.45 |
35.86 |
11.20 |
Table 2. Study 2. Descriptive Statistics in Microvolts with Normals (n = 13)
Eyes Closed |
Ratio |
Theta |
Beta |
Alpha |
SMR |
Mean |
1.68 |
12.14 |
7.38 |
13.91 |
5.36 |
S.D. |
0.55 |
3.97 |
1.78 |
6.25 |
1.64 |
Minimum |
0.76 |
6.25 |
5.53 |
7.11 |
4.18 |
Maximum |
3.06 |
20.12 |
12.05 |
27.83 |
10.27 |
Table 3.Combined Data with Eyes Closed in Microvolts . Combined Data (n = 47)
Eyes Closed |
Theta |
Alpha |
SMR |
Beta |
Ratio |
Mean |
12.31 |
16.09 |
5.15 |
7.92 |
1.59 |
S.D. |
3.89 |
7.81 |
1.79 |
2.41 |
0.46 |
PRAGA-PhDr J. Tyl
Theta/beta <=2 (1-2) dla dorosłych Theta/beta <=3 (2-3 najczęściej) dla dzieci
Pasma częstotliwości |
Sterman - dorośli |
Lubar ( Cz ) Dzieci Dorośli |
Tyl - dzieci Praga, (C3, C4) |
Tyl - dorośli Praga,(C3,C4) |
Delta |
< 20 uV |
< 30 uV < 20 uV |
<= 30 uV |
<= 20 uV |
Theta |
<= 10 uV |
15-20 uV 10 uV |
<=25 uV |
<=15 uV |
Alfa |
10 uV( > po urazie ) |
8-12 uV 8-10 uV |
<=10 uV |
<=10 uV |
SMR |
ok. 10 uV |
5 uV 4 uV |
>=5 uV |
>=5 uV |
Beta 1 |
5-10 uV |
4 uV 3 uV |
>=5uV |
>=5 uV |
Beta 2 |
do 10 uV(12) |
10-12 uV 6-8 uV |
<=10 uV |
<=10 uV |
SMR=ok. 50 % alfy . Uwaga : Beta 2 nie może być większa od alfy !
alfa/beta - śledzić przy depresjach(brak aktywacji lewego przedniego czoła)
Cz ( OC ) |
T/B |
Delta |
Theta |
Alpha |
SMR |
Beta1 |
Beta2 |
Dzieci |
< 3 (2-3) |
< 30 uV |
< 15 uV |
10-15 uV |
> 6 uV |
> 4 uV |
< 10 uV |
Dorośli |
< 2 (1-2) |
< 20 uV |
10 uV |
8 uV |
> 4-5 uV |
> 3 uV |
< 8 uV |
Tabela wg dr Tyla (2005 r)
Typowe, dobre relacje składowych QEEG |
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podmiot |
Delta |
Theta |
Alfa |
SMR |
Beta |
Beta2 |
T/B |
Mężczyzna lat 49 |
14.4 |
9.16 |
8.64 |
6,76 |
5.88 |
5.72 |
1.56 |
Dziewczyna lat 15 |
23.21 |
10.22 |
8.09 |
5.66 |
5.93 |
6.15 |
1.73 |
Chłopiec lat 10 |
27.7 |
19.2 |
13.2 |
8.0 |
7.1 |
7.6 |
2.7 |
Ciekawostka - dziewczynka 3 latka |
104 |
30.4 |
16.3 |
8.4 |
7.9 |
11.4 |
3.85 |
Stosunki T/B mierzone w pkc Cz , krytyczne dla UWAGI (próba 314 dzieci :176 ADHD, 138 niespokojne, opozycyjne) Theta=4-8 Hz, Beta= 13-21 Hz |
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6-11 lat |
12-15 lat |
16-20 lat |
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Power ratio |
Amplitude ratio |
Power ratio |
Amplitude ratio |
Power ratio |
Amplitude ratio |
5.03 |
2.24 |
3.31 |
1.82 |
2.36 |
1.54 |
Autorzy badań(1999 r): Vincent J. Monastra, Donna M. Monastra (The Family Psychology Institute ) Joel Lubar ( Department of Psychology University of Tennessee ) |
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QEEG and AD/HD Accuracy |
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Test |
Sensitivity |
Specificity |
Quantitative EEG |
90 % |
94 % |
Child behavior Checklist |
76 % |
69 % |
Devereaux Scales of Mental Disorders |
80 % |
78 % |
Behavior Assessment System for Childern |
87 % |
68 % |
AD/HD Rating Scale |
84 % |
49 % |
Early Child Invertory |
66 % |
57 % |
Sources : Monastra ct al. 2001, |
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Opracował mgr inż. elektronik Jan Lisaj; Pracownia EEG-Biofeedback w Pile;
soliserw@wp.pl www.eeg-biofeedback.com.pl