Table 1.

Mean numerical density and absolute numbers of synapses in the mPFC.

	Vehicle-treated Mean ± SEM	AMPH-treated Mean ± SEM
Total:
Numerical density (μm−3)	1.42 ± 0.04	1.45 ± 0.08
Absolute number × 108	43.56 ± 1.61	45.47 ± 1.35