Plasticity Induced by Intermittent Theta Burst Stimulation in Bilateral Motor Cortices Is Not Altered in Older Adults

Table 1

Mean and standard deviations for baseline cortical excitability.

	Young		Older
	Stimulated	Unstimulated	Stimulated	Unstimulated
Baseline rMT (% machine output)	38.50 (6.33)	38.40 (6.73)	40.95 (6.65)	41.95 (5.05)
Baseline MEP amplitude (mV)	1.12 (0.35)	1.03 (0.25)	1.02 (0.35)	0.93 (0.22)
Test intensity (% machine output)	46.80 (7.95)	47.25 (9.14)	52.65 (7.92)	52.90 (7.10)

Note: test intensities (highlighted in bold) were significantly lower for young compared to older adults (). No other significant main effects or interactions were evident (all p’s > 0.125).