SOAs between the onset of the 500-ms square and the 50-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 = 29.7

SD = 7.5

No Plugin Firefox

Mean = 34.1

SD = 11.3

No Plugin Safari

Mean = 31

SD = 8.4

Plugin Chrome

Mean = 42.1

SD = 0.5

Plugin Firefox

Mean = 39.2

SD = 5

Plugin Safari

Mean = 32.3

SD = 10.5

50-ms SOA

No Plugin Chrome

Mean = 64.1

SD = 8

No Plugin Firefox

Mean = 72.5

SD = 14.1

No Plugin Safari

Mean = 61.9

SD = 7.5

Plugin Chrome

Mean = 58.9

SD = 0.6

Plugin Firefox

Mean = 56.6

SD = 7.1

Plugin Safari

Mean = 53.2

SD = 8.6

150-ms SOA

No Plugin Chrome

Mean = 166.3

SD = 8.4

No Plugin Firefox

Mean = 171.6

SD = 13.3

No Plugin Safari

Mean = 160.5

SD = 6.4

Plugin Chrome

Mean = 159

SD = 0.6

Plugin Firefox

Mean = 156.7

SD = 6.2

Plugin Safari

Mean = 151.4

SD = 10.2

500-ms SOA

No Plugin Chrome

Mean = 513.8

SD = 7.4

No Plugin Firefox

Mean = 531.1

SD = 13.4

No Plugin Safari

Mean = 513.1

SD = 7.6

Plugin Chrome

Mean = 509.7

SD = 0.6

Plugin Firefox

Mean = 506.1

SD = 5.8

Plugin Safari

Mean = 502.5

SD = 8.5