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In my twenties, I spotted my elderly relative through the pane of a coffee house. I felt astonished – she had passed away the prior year. I gazed for a short time, then reminded myself it couldn't be her.

I'd had comparable situations all through my life. Occasionally, I "recognized" an individual I was unacquainted with. Occasionally I could rapidly pinpoint who the unknown individual looked like – for instance my elderly relative. On other occasions, a countenance simply had a indistinct knowingness I couldn't recognize.

Examining the Range of Facial Recognition Experiences

In recent times, I started wondering if other people have these unusual situations. When I questioned my friends, one commented she frequently sees individuals in random places who look known. Others occasionally confuse a unknown person or public figure for someone they know in real life. But some reported completely different responses – they could effortlessly distinguish people they'd met and people they hadn't.

I felt intrigued by this diversity of responses. Was it just longing that made me see my grandmother that day – or some kind of brain malfunction? Studies has found we spend about a quarter-hour of every hour looking at faces – do we just make mistakes sometimes? I was commencing to comprehend that we can all see the same face but not perceive the same thing.

Comprehending the Continuum of Person Recognition Skills

Investigators have developed many evaluations to assess the ability to remember faces. There exists a broad spectrum: at one side are super-recognizers, who remember faces they have seen only for a short time or a distant past; at the other are people with facial agnosia, who often find it challenging to identify family, intimate companions and even themselves.

Some tests also capture how good someone is at telling if they have not seen a face before. This is where I think I fall short. But researchers "just haven't dug into this" as much as they've studied the ability to remember a face, according to neuroscience experts. It does seem that the two abilities use distinct brain processes; for case, there is indication that super-recognizers and prosopagnosics do about as well as each other at identifying new faces, despite their wildly different abilities to recognize old faces.

Taking Face Identification Assessments

I felt intrigued whether these evaluations would offer understanding on why unknown people look familiar. Was I someone who never forgets a face? I often recognize people more than they remember me, and feel disheartened – a sentiment that researchers say is typical for super-recognizers. But maybe I hyper-recognize faces – to the extent that even some new faces look familiar.

I received several facial recognition tests. I completed them, feeling stumped at times. In one, called the Cambridge Face Memory Test, I had to look at grayscale photos of a face from three angles, then find it in lineups. During another test that directed me to pick out public figures from a mix of photos, many of the faces felt at least recognizable, but I couldn't quite place them – reminiscent to my real-life experience.

I felt uncertain about my performance. But after evaluation of my performance, I had correctly identified 96% of the famous person faces. The finding was that I qualified as a "borderline super-recognizer".

Grasping False Alarm Frequencies

I also excelled in the previously seen/unfamiliar faces task, which was described as especially effective for measuring someone's recall for faces. The test-taker looks at a sequence of 60 monochrome photos, each of a separate face. Then they examine a sequence of 120 similar photos – the first group plus 60 unknown visages – and specify which were in the first set. The exceptional facial identifier benchmark is roughly 80%; I recalled 78% of the faces I'd seen. On the other extreme of the range, people with face blindness properly recognize an average of 57%.

I felt content with my result, but also surprised. I remembered many of the old faces, but rarely mistook a unfamiliar countenance for one that I'd seen before. My performance on this metric, called the false alarm rate, was 18%. Normal recognizers, super-recognizers and those with facial agnosia all have a incorrect identification frequency of about 30% on average. So why was I confusing a unfamiliar individual's face for my grandmother's?

Examining Possible Reasons

It was theorized that I likely possessed some superior face rememberer capabilities. Everyone has a catalogue of the faces we know in our memory, but exceptional facial identifiers – and probably near-exceptional individuals like me – have a fairly substantial and high-resolution catalogue. We're also probably to differentiate visages – that is, assign traits to each face, such as friendliness or impoliteness. Scientific investigation suggests that the latter helps people to develop and commit faces to long-term memory. While distinguishing may help me recognize people, it may also mislead me into seeing my grandmother in a woman who has a analogous presence.

In furthermore, it was believed I might be "an active face perceiver", meaning I pay a lot of attention to faces. Others may have more incorrect identification moments, thinking they know someone they don't know. But because I tend to look carefully at faces, I am inclined to notice the stranger who similar to my grandma. Indeed, one friend who said she doesn't make person recognition mistakes acknowledged she doesn't really look at the people around her.

Researching Hyperfamiliarity for Faces

These tests helped me understand where I positioned on the range. But I wanted to understand more about what is happening in the brain when we "identify" unfamiliar individuals. Investigating further, I read about a disorder called excessive facial recognition (HFF), in which unrecognized faces appear recognizable. Superficially, this sounded like it could apply to me. But the small number of reported cases all occurred after a medical episode such as a epileptic episode or brain attack, unlike the quirk that I've been noticing my whole grown-up existence.

Through investigative websites, experts have heard from about 24,000 face-blind individuals, as well as people with all kinds of person recognition difficulties, including visual distortions, like when faces appear to be melting. Researchers study many of these people, using instruments like the old/new faces task and the Cambridge Face Memory Test.

Experts have heard from only a handful of people with potential HFF in many years of research.

"The occurrence rate is quite low," one expert said of HFF. However, they speculated that there may be a spectrum, with some people who think every face is recognizable, and others, like me, who only experience it a few times a month.

{Understanding