Brain waves while watching TV and then falling asleep

This page contains the data and analysis of a brain wave recording session I did using a Muse EEG Headband.

Session Characteristics

• 24/10/2023, 21:07
• During this session, I was watching a TV show.
• At around 9:30 PM I fell asleep.

All Sensors (Smoothed Out)

• The frequencies’ relationships from this session are not unexpected. Previous sessions that recorded relaxed states have shown a similar pattern — a low, isolatedGammafrequency, aBetain fourth place of dominance, then Delta andThetaintertwined, and finallyAlphadominating.
• After falling asleep, the range increases —Gammagradually decreases in energy, while the slower brainwaves increase, which is expected during sleep.

Front Sensors (AF7, AF8)

• Looking at the Front-Left sensor (AF7) and the Front-Right sensor (AF8), some deviations from the graph above are found.
• In AF7, the frequencies’ relationships are still similar, but with the difference being thatBetahas second-place dominance instead. This makes sense to me, since watching a TV show is not a completely relaxed state, and still requires some mental effort to follow the plot.
• In AF8, there is some unusual activity at around 9:22 PM, which lasts about four minutes. I checked, and this was caused by noise. It only affected this sensor.

Quadrant Energy Levels (Overview)

Centers of Gravity (Overview)

For reference: the circle marks the central area of the brain. Activity inside it is more central and symmetrical; outside is more asymmetrical.

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