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Humans have weaker ear muscles than chimps—yet some humans are still able to twitch them
Most people never think twice about their ears, until they catch a strange little twitch they can't explain. It might happen after a sudden noise or while trying to focus on a distant sound. These ...
You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or ...
Factinate on MSN
Humans have a strange reflex that no other primate has—and it might be a leftover from ancient fear
A car backfires, and your shoulders jump. A shadow moves, and your eyes fly open before your brain catches up. That dramatic ...
As we age, there is a decrease in the number of neurons in the basal ganglia, cerebellum and spinal cord that can negatively ...
What is the acoustic reflex? When a loud sound stimulus is presented to the ear, there is a reflexive contraction of the minute muscles that are connected to the ossicles in the Middle Ear. When these ...
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