Table 1.

CNAP variables determined from STX-untreated nerves of farmed oysters fed with A. minutum (toxic-alga-exposed oysters) or with T. lutea (control oysters).

	Maximal Peak Amplitude (mV)		Half-Width (ms)		Area (mV.ms)		Time-to-Peak (ms)		Maximal Rise Slope (mV/ms)		Maximal Decay Slope (mV/ms)
	Before SPS	After SPS	Before SPS	After SPS	Before SPS	After SPS	Before SPS	After SPS	Before SPS	After SPS	Before SPS	After SPS
Control oysters (n = 21 nerves)	0.374 ± 0.097	0.358 ± 0.081	5.124 ± 0.794	5.025 ± 0.607	2.088 ± 0.336	1.995 ± 0.316	56.079 ± 0.396	55.995 ± 0.249	0.250 ± 0.090	0.252 ± 0.076	0.116 ± 0.047	0.105 ± 0.038
Toxic-alga-exposed oysters (n = 25 nerves)	0.269 ± 0.102 **	0.303 ± 0.095 *	6.201 ± 1.156 **	5.780 ± 1.026 **	1.822 ± 0.530	1.930 ± 0.405	56.364 ± 0.346 *	56.265 ± 0.308 **	0.179 ± 0.076 **	0.193 ± 0.084 *	0.075 ± 0.036 **	0.087 ± 0.047

SPS: standard physiological solution. * 0.01 < p < 0.05 and ** 0.001 < p < 0.01, compared with control oysters. See Supplementary Figure S4B for details.