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First Impressions of HIV Risk: It Takes Only Milliseconds to Scan a Stranger

Figure 3

Relationship between HIV Risk ratings and ERPs.

(A) Representative ERP-waveforms for high and low risk stimuli over occipital (left panel) and frontal (right panel) sensor sites. The scalp potential map shows the topography of the difference between the high and low risk stimuli averaged across the time window from 220–340 ms (middle panel). (B) Representative left and right centro-frontal sensor sites illustrate the late ERP effect. The difference scalp map (high - low risk) shows the topography of the risk modulation in the LPP time window (350–700 ms).

Figure 3

doi: https://doi.org/10.1371/journal.pone.0030460.g003