SOAs between the onset of the 150-ms square and the 20-ms square

The bin width is 5 ms in all histograms.

The scale of the horizontal axis is fixed for each condition.

20-ms SOA

No Plugin Chrome

Mean = 31.2

SD = 8.1

No Plugin Firefox

Mean = 32.5

SD = 8.7

No Plugin Safari

Mean = 29.5

SD = 7.9

Plugin Chrome

Mean = 42.1

SD = 0.5

Plugin Firefox

Mean = 39.2

SD = 5

Plugin Safari

Mean = 31.3

SD = 9.3

50-ms SOA

No Plugin Chrome

Mean = 66.3

SD = 8.4

No Plugin Firefox

Mean = 64.5

SD = 8

No Plugin Safari

Mean = 60.6

SD = 6.7

Plugin Chrome

Mean = 58.8

SD = 0.5

Plugin Firefox

Mean = 57.5

SD = 6.7

Plugin Safari

Mean = 53.2

SD = 8.3

150-ms SOA

No Plugin Chrome

Mean = 163.2

SD = 7.5

No Plugin Firefox

Mean = 170.8

SD = 10

No Plugin Safari

Mean = 160.3

SD = 6.4

Plugin Chrome

Mean = 159.1

SD = 0.5

Plugin Firefox

Mean = 155.9

SD = 7.8

Plugin Safari

Mean = 152.1

SD = 9.1

500-ms SOA

No Plugin Chrome

Mean = 521.1

SD = 7.9

No Plugin Firefox

Mean = 514.4

SD = 14.7

No Plugin Safari

Mean = 517.2

SD = 8.3

Plugin Chrome

Mean = 509.8

SD = 0.6

Plugin Firefox

Mean = 505.3

SD = 6.6

Plugin Safari

Mean = 502.6

SD = 9.5