Table 1:

Percentage of rats in each estrous cycle phase during acute tests.

	Phase	Young FST	Young GTT	Aged FST	Aged GTT
No CVS	Proestrus	16.66	33.33	20.83	8.33
	Estrus	75	45.83	62.5	75
	Metestrus	4.16	20.83	8.33	8.33
	Diestrus	4.16	0	8.33	8.33
CVS	Proestrus	16.66	13.88	27.77	22.22
	Estrus	77.77	69.44	44.44	38.88
	Metestrus	5.55	8.33	22.22	16.66
	Diestrus	0	8.33	5.55	22.22