Can Numbing Your Mouth Make You Read Faster? Surprising Science Explained! (2026)

Unbelievable, but true: your mouth has a surprising impact on how your brain processes reading!

We've all been told to sound out words when learning to read, and it makes sense - speech and reading seem closely linked. But here's where it gets controversial: a recent study suggests that numbing your mouth might actually speed up silent reading!

Researchers at the University of Alberta found that when they numbed the mouths of participants, some read faster without sacrificing accuracy. This mouth-brain connection could be a game-changer for treating reading difficulties like dyslexia.

And this is the part most people miss: the study revealed that the mouth sends crucial information to the brain's sensory areas when reading. If there's a mismatch between how a word should sound or feel, the mouth sends a command to the brain's motor parts to correct it.

The study participants, all proficient readers, were asked to perform two tasks: identify real words and determine if a string of letters sounded like a real word. They did this under three conditions: with nothing in their mouth, with a large lollipop, and after numbing their mouth with lidocaine.

The results showed that lidocaine reduced brain activity in the sensory area, while the lollipop increased it. This suggests that oral sensory input influences reading-related brain activity.

But here's the catch: the effects were subtle, and the study was small. More research is needed to understand how these findings apply to different reading tasks and populations.

The researchers plan to explore this further, especially with people who have dyslexia. This could lead to a greater role for speech-language pathologists in helping people with reading difficulties.

So, what do you think? Could this mouth-brain connection be the key to unlocking reading potential? Or is this just a quirky finding with limited practical value? We'd love to hear your thoughts in the comments!

Can Numbing Your Mouth Make You Read Faster? Surprising Science Explained! (2026)
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