https://picload.org/image/rdwlwwpa/sequence010.jpg

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It's happened to all of us - we see an acquaintance across the street, we know we've met them before and **recognize their face** - but we've **forgotten** their name! 
This is a very common problem. But have you ever asked yourself **why humans are so skilled at distinguishing and remembering faces?**
It almost seems like our brains are *trained* to recognize a face, and view it **differently** than any other object.
When we look at the clouds, certain objects, or even something like the front of a car - we often **compare** it with a face or even **"see" a face** in ordinary objects.


**Newborns** are already more interested in faces than in any other shapes - which shows that they can recognize a face and somehow know that it's different than just a circle or a triangle. 
### So do we have a certain "tool" or ability to recognize a face?
Yes! It's called the ***Fusiform Face Area (FFA)*** and is a small area located in the temporal lobe of our brains. 
It **analyzes** a face and can pick up a lot details from it - we instantly know if a face is male or female, we can guess the age and know if the person is happy or sad. 

<center>![](http://old.post-gazette.com/images4/20100502face_blind_brain_407.gif)</center>

An interesting aspect of this is the **"inversion effect":** humans can identify objects that are upside down very easily.
But if a face is turned upside down, it's a lot more **difficult** for us. You have probably seen those images where a face was turned upside down and you thought nothing was wrong with it, but when you look at it the other way around you realize that the face was totally distorted. 
### <center>This proves that ***we process faces differently than regular objects.***</center>

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<center>![](http://img.medicalxpress.com/newman/csz/news/800/2015/theneuralnet.png)</center>

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The same results were achieved when doing **tests with monkeys.**
When looking at pictures of other monkeys, a specific region in their head was very active - and if it was another shape or animal, they weren't as interested. 
**And another study's results fit this theory:**
When parents showed their three month old Babies pictures of monkey's faces everyday, the Babies soon **learned to distinguish the different faces very well** - even a long time after that. They were even better at recognizing the faces than the zookepers that worked with the monkeys everyday!
Kids that hadn't received this special training lost this ability when they were about 9 months old. 
### <center>This result shows that within the first year, babies learn which kinds of faces are important to distinguish and remember, and which aren't.</center> 

<center>![](http://i.dailymail.co.uk/i/pix/2016/09/28/12/38E0B51500000578-3811317-image-a-4_1475062879321.jpg)</center>

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Scientists also suggest that the ability to recognize faces develops similarly to **learning how to speak.** 
Because during the same period of time we learn to recognize which faces are important, we also learn how to speak (at around 6-10 months!)
**There is actually a *connection* between recognizing faces, and recognizing a voice / language.** 
If we hear a familiar voice, the same part of our brain that recognizes faces gets activated, and we can identify the person precisely. 

You might have noticed that people from a certain ethnic background sometimes have trouble recognizing faces from a different ethnicity - for example, it's often being said that asians *"all look the same"*, and in turn, asians also find faces of white people harder to distinguish.
### <center>One would assume that this is because each ethnic group is so used to seeing faces that look similar, that they have developed special skills to identify faces of their own ethnic group better. But that's not entirely true!</center>
<center>![](http://wallup.net/wp-content/uploads/2016/02/30533-Asian-Girls_Day-women-group_of_women-736x459.jpg)</center>
Although the familiarity *does* play some kind of role in our ability to recognize faces, it's partly also a **placebo-effect:**
A study tested several university students, and showed them a lot of different faces. They told them that some were attending the same university, and some were from a different campus.
Surprisingly, the students were *more successful* when they believed that the person was attending their *own* university - **but in reality, *none* of the people that they were shown actually belonged to their university!**

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### <center>Facial recognition is a very complex feature that humans have, and it's a very interesting topic that's still being researched and still leaves room for many new discoveries!</center>


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*Images: [1](http://www.treatment4addiction.com/blog/wp-content/uploads/emotions-different-faces.jpg), [2](http://www.post-gazette.com/news/health/2010/05/01/Scientists-debate-how-we-see-faces/stories/201005010212), [3](http://medicalxpress.com/news/2015-04-neural-network-recognition.html), [4](http://www.dailymail.co.uk/femail/article-3811317/Baby-doesn-t-recognise-dad-without-beard.html), [5](http://wallup.net/asian-girls-day-women-group-of-women/)*




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