Table 1

Means and standard deviations (SD) for each of the attention network and mean RT.


Alerting
Orienting
Conflict
Mean RT

MZ twins (n = 52)




          Mean (msec)
42
60
71
482
          SD (msec)
16
14
25
50
DZ twins (n = 52)




          Mean (msec)
38
52
90
513
          SD (msec)
15
19
38
78
Combined (n = 104)




          Mean (msec)
40
56
80
498
          SD (msec)
16
17
34
67

Fan et al. BMC Neuroscience 2001 2:14   doi:10.1186/1471-2202-2-14