‘Voice-Blindness’ Is Like Face-Blindness for Your Ears
Initially, scientists thought prosopagnosia (face blindness) was extremely rare, and could only be triggered by brain damage. But newer research has revealed that it affects around 2 percent of the population, and that people can be born with it.
The research and press coverage on voice-blindness is slowly starting to catch up. From the few who’ve spoken publicly about phonagnosia, we know that it can lead to difficulties talking on the phone and distinguishing between voices when two people are talking at the same time. As you might imagine, this can lead to all manner of awkward situations.
Steve Royster, for example, realized he had voice-blindness when he was 27 years old. His boss, he said, would regularly ring him and bark orders down the phone, but Royster had no idea who was calling. A later conversation with a colleague about this revealed to Royster that it was completely normal to be able to recognize who they were speaking to on the phone, a claim that took Royster several days to accept. But since accidentally having a heated phone call with a woman he thought was his wife (but was, in fact, some other woman), Royster now makes sure he knows for sure who he’s talking to.
I couldn't find a working test online but I know I don't have it, just wondering if anyone here does.
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Another man's freedom fighter, one man's terrorist is - Yoda (probably)