braccia - Physics at Lancaster University
braccia - Physics at Lancaster University
braccia - Physics at Lancaster University
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Introduction<br />
Anæsthesia<br />
BRACCIA<br />
Cardio-respir<strong>at</strong>ory-EEG in r<strong>at</strong>s<br />
Practice & problems<br />
Anæsthesia in r<strong>at</strong>s<br />
Anæsthesia in humans<br />
Use wavelet transform to<br />
follow frequency<br />
evolution of different<br />
EEG waves.<br />
Marked decrease occurs<br />
in δ–wave amplitude, <strong>at</strong><br />
deep-light anæsthesia<br />
transition.<br />
Increase in γ-wave,<br />
θ-wave, frequencies.<br />
f [Hz] f [Hz] f [Hz]<br />
<br />
<br />
<br />
50<br />
39<br />
30<br />
7.5<br />
4.5<br />
2.5<br />
3.5<br />
1.5<br />
0.5<br />
0 10 20 30 40 50 60 70<br />
Time [min]<br />
1.7<br />
0.01<br />
332<br />
6.8<br />
1185<br />
15.6<br />
Sheppard & Stefanovska<br />
BRACCIA
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