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. Author manuscript; available in PMC: 2009 Oct 2.
Published in final edited form as: Soc Neurosci. 2009 Jun 26;4(5):426–442. doi: 10.1080/17470910902949184

Table 1.

The correlations between same-race (White) and other-race (Asian, Black) ERP amplitude differences and IAT measures at the time range of the ERP components of interest (A indicates Asian, B indicates Black, W indicates White, and SR and OR indicate same-race and other-race).

P100 N170 P200 N200 Other LPC
Peaking time 116 ms 160 ms Difference ~192 ms 244 ms 500 ms 592 ms
Largest at Oz T6 Cz FC4 F3 T6
Amplitude differences B > W > A A > W B > W W > B A > W (p = .07) SR > OR
Asian Time range of (p < .05) ~ 72 – 160 ms ~ 100 – 200 ms ~ 220 – 280 ms ~ 172 – 280 ms ~ 480 – 580 ms ~ 540 – 620 ms
Median r (.11) (.28) (-.09) (.007) .56 (-.19)
p (>.50) (.20) (>.50) (>.50) <.01 (.40)
Black Time range of (p < .05) ~ 72 – 160 ms ~ 100 – 200 ms ~ 220 – 280 ms ~ 172 – 280 ms -- ~ 540 – 620 ms
Median r (.14) (.27) .50 .52 -- (.34)
p (>.50) (>.20) < .03 < .02 -- (>.10)

Note: Numbers in parentheses are the median rs and corresponding ps in a time period around the peaking latency of corresponding ERP components, to give a sense of the magnitude of the correlations which were not significant. (See Figure 5 and 6 C. D. for the largest correlations in this range.)