Table 1.

Correlation matrices for stimulus pairs recorded from geniculate ganglion neurones

	0.1 m NaCl	0.5 m NaCl	0.1 m NH4Cl	0.5 m NH4Cl	0.5 m sucrose	0.01 m quinine	0.01 n HCl
0.1 m NaCl	—	0.945*	−0.039	0.021	0.066	0.244	0.012
0.5 m NaCl	0.205	—	−0.067	0.082	−0.075	0.260	0.058
0.1 m NH4Cl	0.651*	0.285	—	0.638*	−0.399	−0.264	0.143
0.5 m NH4Cl	0.224	0.444*	0.539*	—	−0.316	−0.238	0.503*
0.5 m sucrose	−0.273	0.241	−0.398	0.099	—	−0.182	0.085
0.01 m quinine	0.147	0.127	0.201	0.082	−0.550*	—	−0.132
0.01 n HCl	0.442	0.308	0.662*	0.742*	−297	0.351	—

Numbers in standard type are from neurones innervating the tongue. Numbers in italics are from neurones innervating the palate.

^*Correlation is significant at the 0.05 level (2-tailed).