The article took a 2nd reading to grok, but the experiment shows that N170 recognizes the same face, but only if that face is the same ethnicity. Meaning it is

The article took a 2nd reading to grok, but the experiment shows that N170 recognizes the same face, but only if that face is the same ethnicity. Meaning it is very specific. Presumably, if it can't recognize the same face of another ethnicity, it surely can't recognize the same of another species.