Generate an SVG image: a 14-channel raw EEG signal plot on a white background. Fourteen horizontal irregular non-periodic waveforms are stacked vertically on the left, each labeled on its left side in a monospace font, from top to bottom: AF3, F7, F3, FC5, T7, P7, O1, O2, P8, T8, FC6, F4, F8, AF4. Each trace must look distinct. The frontal channels AF3 and AF4 show large slow eye-blink artifacts, while O1 and O2 show a regular ~10 Hz alpha rhythm. Draw a time axis from 0 to 4 seconds at the bottom with vertical dashed gridlines every 0.5 s, labeled "Time (s)". Scientific figure style, black strokes of 1.5px width.

The image shows a black and white plot of a waveform with the words "AF3" and "Time S" written on it. The plot is composed of a series of concentric circles, each representing a different frequency, and the text is written in a bold font.