Table 1.

Behavioral accuracy and response times on correct trials during the fMRI experiment for each condition and for the main effect of perceptual difficulty (easy vs hard) and the main effect of response modality (manual vs saccade)

ConditionAccuracyResponse time (ms)
Manual (easy)93 ± 21184 ± 93
Manual (hard)66 ± 51469 ± 106
Saccade (easy)89 ± 31035 ± 94
Saccade (hard)61 ± 51304 ± 124
Easy (manual + saccade)91 ± 21110 ± 82
Hard (manual + saccade)64 ± 51387 ± 102
Manual (easy + hard)79 ± 31327 ± 98
Saccade (easy + hard)75 ± 41170 ± 109
  • Shown are means ± SEM.