Camillo Golgi, nerve cells in a dog's olfactory bulb (detail), 1885

Data Log & Visualizations

← Meditation

Data Entry

Daily band-power summary

Median relative power of the five bands, per meditation session.

Band-power trends

Exploratory direction of each band over the recorded sessions.

Delta

-0.000 [-0.015, 0.015]

Theta

-0.002 [-0.008, 0.004]

Alpha

+0.015 [-0.010, 0.040]

Beta

-0.008 [-0.022, 0.005]

Gamma

-0.006 [-0.015, 0.003]

Change in relative power per 10 sessions (OLS slope, ≈95% CI), n = 25. Exploratory sample data—not a confirmatory hypothesis test; the dashed line marks zero (no trend).

Body & state

Heart rate, movement, and session-level calm metrics per sitting.

Heart rate (bpm)

Movement (accelerometer variability)

Settling time (seconds to peak calm)

Seconds from end of headband warmup until Mellow first reaches 100. Lower = faster settling.

Calm depth (% session at ceiling)

Fraction of the sitting where Mellow == 100. Higher = more sustained depth.

Calm interruptions & distraction

Drop count: times Mellow fell below 100. Distraction %: fraction of session where Concentration > 20.

Sessions

Every recording the pipeline has ingested.

Date	Type	Min	D	T	A	B	G	HR	Move	Clean	Quality
2026-08-13	shikantaza	9.5	9%	12%	49%	17%	8%	47	0.0037	567	ok
2026-08-13	baseline	5.9	30%	16%	25%	19%	8%	50.9	0.0106	351	flagged
2026-08-12	shikantaza	30.2	9%	14%	48%	18%	8%	50.3	0.0073	1814	ok
2026-08-12	shikantaza	6.8	31%	15%	21%	20%	11%	53.6	0.0072	410	ok
2026-08-11	shikantaza	30.6	10%	14%	47%	18%	8%	53	0.0075	1835	ok
2026-08-10	shikantaza	31	10%	14%	44%	18%	9%	52.1	0.0056	1837	ok
2026-08-05	shikantaza	31	16%	15%	42%	17%	7%	59	0.0055	1862	ok
2026-08-04	shikantaza	30.6	13%	14%	45%	17%	7%	54.9	0.0035	1835	ok
2026-08-03	shikantaza	17.2	14%	14%	48%	15%	6%	54.8	0.0036	1023	ok
2026-08-02	shikantaza	30.2	13%	15%	50%	14%	6%	52.3	0.0037	1794	ok
2026-07-27	shikantaza	16	9%	12%	44%	21%	11%	56.7	0.008	958	ok
2026-07-26	shikantaza	31	7%	12%	55%	15%	8%	56.1	0.0088	1860	ok
2026-07-24	shikantaza	30.6	17%	15%	46%	12%	5%	63.7	0.0092	1811	ok
2026-07-23	shikantaza	30.8	8%	13%	53%	16%	8%	57.2	0.0042	1848	ok
2026-07-22	shikantaza	31.3	8%	13%	53%	16%	8%	58.8	0.0041	1863	ok
2026-07-21	shikantaza	31.3	11%	12%	46%	19%	9%	59	0.0036	1876	ok
2026-07-20	shikantaza	31.2	12%	14%	46%	17%	8%	60.6	0.0037	1870	ok
2026-07-19	shikantaza	30.4	10%	13%	46%	18%	8%	56.3	0.0041	1815	ok
2026-07-18	shikantaza	31.2	9%	13%	51%	17%	7%	51.8	0.0071	1853	ok
2026-07-17	shikantaza	31	10%	12%	38%	24%	13%	55.9	0.0044	1858	ok
2026-07-16	shikantaza	30.8	11%	14%	46%	18%	9%	56	0.0042	1851	ok
2026-07-15	shikantaza	31.1	15%	14%	38%	19%	9%	56.7	0.0033	1858	ok
2026-07-14	shikantaza	30	14%	15%	38%	20%	9%	64.6	0.0036	1785	ok
2026-07-13	shikantaza	30.8	12%	15%	42%	18%	9%	58.3	0.0036	1834	ok
2026-07-12	shikantaza	30.8	9%	12%	46%	20%	10%	56.3	0.0033	1848	ok
2026-07-11	shikantaza	30.8	11%	14%	46%	17%	8%	54	0.0068	1846	ok
2026-07-10	shikantaza	31.1	10%	15%	50%	16%	7%	56.2	0.0057	1863	ok

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