Table 7.

Matrix showing the results of bivariate correlation analysis for the anterior cingulate cortex (AC) bouton proportions.

		Brain mass	AC large bouton %	AC small bouton %	AC cortical thickness	AC neuron density	AC glial density	AC glial: neuron ratio	AC bouton density
Brain mass	Correlation	1	0.112	−0.112	0.762**	−0.307	−0.031	0.54	−0.421
	P value		0.728	0.728	0.004	0.331	0.923	0.07	0.173
AC large bouton %	Correlation	0.112	1	−1.000**	−0.031	0.354	0.454	−0.157	0.154
	P value	0.728		0	0.924	0.259	0.138	0.627	0.633
AC small bouton %	Correlation	−0.112	−1.000**	1	0.031	−0.354	−0.454	0.157	−0.154
	P value	0.728	0		0.924	0.259	0.138	0.627	0.633
AC cortical thickness	Correlation	0.762**	−0.031	0.031	1	−0.135	0.187	0.468	−0.760**
	P value	0.004	0.924	0.924		0.675	0.56	0.125	0.004
AC neuron density	Correlation	−0.307	0.354	−0.354	−0.135	1	0.504	−0.800**	0.157
	P value	0.331	0.259	0.259	0.675		0.095	0.002	0.625
AC glial density	Correlation	−0.031	0.454	−0.454	0.187	0.504	1	0.043	−0.143
	P value	0.923	0.138	0.138	0.56	0.095		0.895	0.658
AC glial:neuron ratio	Correlation	0.54	−0.157	0.157	0.468	−0.800**	0.043	1	−0.44
	P value	0.07	0.627	0.627	0.125	0.002	0.895		0.153
AC bouton density	Correlation	−0.421	0.154	−0.154	−0.760**	0.157	−0.143	−0.44	1
	P value	0.173	0.633	0.633	0.004	0.625	0.658	0.153

^**Correlation is significant at the 0.01 level (2-tailed).