Table 2: Mean parameters and 95% confidence intervals (CI) for the impulse response across cortical depths.

Time-to-peak (TTP) and full-width-at-half-maximum (FWHM) are reported in seconds.

	0.167 s		0.5 s		1s		2s		4s
TTP:	Mean	CI	Mean	CI	Mean	CI	Mean	CI	Mean	CI
Deep	4.4	(4.15–4.75)	4.6	(4.33–4.90)	4.8	(4.45–5.15)	5.05	(4.75–5.38)	5.25	(4.90–5.60)
Superficial	4.55	(4.30–4.90)	4.75	(4.45–5.05)	4.9	(4.58–5.20)	5.1	(4.85–5.40)	5.3	(5.00–5.70)
FWHM:
Deep	4.5	(4.10–5.45)	4.55	(4.20–4.90)	4.75	(4.35–5.20)	4.9	(4.60–5.25)	5.15	(4.78–5.55)
Superficial	4.6	(4.20–5.60)	4.6	(4.30–4.90)	4.85	(4.55–5.25)	5.05	(4.70–5.40)	5.4	(5.05–5.85)