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Whether we'd like to admit it or not, most people have heard someone say something along the lines of "all (insert racial group) look the same." It's not unique to one race either—comedians across the racial spectrum joke about this seemingly racist phenomenon. The phrase can sound a little racist even when the person admitting to it doesn't mean it to be.

Julia, a frequent traveler, recently had her own experience with this phenomenon when she traveled to South Korea. The woman realized that she couldn't tell the locals apart, which was baffling and embarrassing to her. Once she confessed to her Korean friends, they all got a good chuckle when they revealed they had a hard time telling white people apart. When the sentiment was the same in Mozambique, she decided to do some research into why people have difficulty identifying differences in racial groups outside of their own.

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To Julia's surprise, there was a reason for this seemingly strange occurrence, and it had little to nothing to do with racism. The reason the phrase isn't always racist is that it happens to be true in many instances. Even in diverse countries, people tend to stay in communities that look similar to themselves due to similar cultural upbringings and expectations. Of course, this self-segregating grouping dilutes in major cities where people live near a plethora of different ethnicities and races, in which they build community.

Those who live near other races and ethnicities may have an easier time recognizing the different facial features of people from races different from their own. This is because exposure is key to not only understanding cultural differences but also visually seeing how facial features differ from one race and ethnicity to the next.

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While the woman uses race to describe the phenomenon, it's important to note that race and ethnicity are two different things. A person of Chinese descent would be categorized racially as Asian, but their ethnicity would likely be Han Chinese, which makes up 91% of China. While a South Korean's race would be Asian as well, their ethnicity would be Korean. In both of these instances, their nationality would be the country in which they were born.

This is a pretty standard breakdown across ethnic and racial groups except Black Americans, who are descendants of chattel slavery. Black Americans' race is Black/African American, but unlike other groups, their ethnic group is also Black/African American, while their nationality is American. Whereas a Black British person may say their nationality is British, their race is Black, but their ethnicity is Nigerian Igbo. It's important to acknowledge the difference in race and ethnicity because one could belong to a racial group but still have the same issue with recognizing the differences of an ethnic group within their race.

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In Julia's research into why people struggle with recognizing faces from different groups, she discovered something fascinating: there's a name for the phenomenon, "it's called cross-race effect, and it's not about racism, it's about how our brains are wired. TLDR, you're not racist, you just have a lazy a** brain." She goes on to explain, "Our brains are essentially pattern recognition machines. The more often we see something like faces from our community, the better our brain gets from picking up subtle differences without us even realizing it. It's a bit like muscle memory but with visual processing."

The fusiform face area (FFA) is sort of like a shortcut to this processing faces even when we aren't necessarily paying attention. But like most things, you need to exercise the muscle for it to work properly in all scenarios. When it comes to faces, if the only faces you see look like your own, then it'll be difficult to recognize the distinct features of people who don't look like those in your racial or ethnic group.

Recently, singer-songwriter Billie Eilish faced backlash for her remarks while performing in Ireland after commenting, "As you guys know, I'm Irish. I am not from here, obviously. It's really cool to come somewhere and, like, everyone looks exactly like you, and you're all just as pasty as me. I love it." Some fans were offended since white people in America tend to be overrepresented in television and music. While overrepresentation may be true, chances are, since America is so diverse, the singer likely hasn't run into many people of the same ethnicity.

The first faces we learn to recognize are those in our households, which tend to resemble ourselves unless you're an adoptee. These are the faces our FFA practices on before moving on to those in their direct community, slowly expanding outward as one travels further from home.

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"When it (FFA) sees familiar types of faces, for example, faces you've had lots of exposure to, it lights up, like ha, I know this. But when it sees faces from a group you haven't spent much time with, the neural activation is weaker and less precise. Your brain doesn't process all the details. It kind of glosses over it. It's almost like your brain says, 'eh, close enough, I'll just put everything in the same category as the ones I've already seen,'" Julia explains before adding later. "It's not that the other races actually look the same, it's that our brain isn't trained to see the differences, yet."

In many ways, it's like hearing someone speak French when you don't speak the language. At first, the words all mush together and sound the same, but as you begin to pick up on French words, things become clearer. So, no, everyone who thinks people from another ethnic group all look the same is racist; they simply need to exercise that part of their brain.