Table 1.

Performance (% Correct ± SE) on the Standard Task at Different Lags

	Presurgery		Postsurgery
	Shams	H group	Shams	H group
Lag 0	71.4 ± 5.2	74.3 ± 4.7	73.8 ± 4.2	45.2 ± 4.6
Lag 1	75.7 ± 7.2	68.6 ± 4.0	70.2 ± 5.7	56.0 ± 5.4
Lag 2	94.3 ± 5.7	94.3 ± 5.7	78.6 ± 7.0	61.9 ± 6.0