Table 1:

Animal number across different experimental groups and procedures

Rat number	Experimental procedures
n = 5 young; n = 5 ageda	Resting-state functional MRI with cognitive training on WM/BAT and Arc expression analysis
n = 7 young; n = 8 aged	WM/BAT training and Arc expression analysis only
n = 5 young; n = 8 aged	Control rats with no cognitive training, continuous T-maze training and longitudinal resting-state scans only

^aOne aged rat was not included in the Arc analysis.