When blood is actively ejected from the atrium to the ventricle through the open AV valves. The corresponding “blip” in ventricular pressure reflects this additional volume added to the ventricle from atrial systole.

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#Unit 13. Methods in Biology

CSIR-PYQ Concept

Even-numbered electrodes (2,4,6,8) refer to electrode placement on the right side of the head.

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#Unit 13. Methods in Biology

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#Unit 13. Methods in Biology

The normal EEG comprises waves with various amplitudes and frequencies.

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#Unit 13. Methods in Biology

The range of frequencies are between 1 to 30 Hz and amplitudes will vary between 20 to 100 μV. 

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#Unit 13. Methods in Biology

Waves are divided in various groups:

Alpha

Beta 

Delta  

Theta

Gamma 

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#Unit 13. Methods in Biology