Table 3.

Comparison of the effects of 10 mm Mg²⁺ application during a 100 μm NMDA-evoked steady-state current in the presence of 1 or 10 μm ifenprodil

	Fast potentiation		Slow potentiation
	τ (ms)	Peak (% control)	τ (ms)	Maximum (% control)	Fast decay τ (ms)	Slow decay τ (ms)
1 μm ifenprodil	12 ± 1	187 ± 12*1†1	7230 ± 1167	249 ± 21†1,2	23 ± 3	6104 ± 1157
10 μm ifenprodil	18 ± 3	168 ± 9*1,*2	—	175±7†2*2	19 ± 2	—

*Not significantly different *¹ P > 0.22 *² P > 0.11, Student's t test † Significantly different †^1,2 P < 0.002, Student's t test