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Insidee Out on Instagram: "most people, the size of the pupils changes automatically reacting instantly to light levels and signals from the brain without any conscious control. However, scientists have identified an exceptionally rare phenomenon in which certain individuals can deliberately control this process, expanding or contracting their pupils purely through mental effort. Research suggests that these people are able to consciously engage tiny internal muscles of the eye-muscles that the
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Insidee Out on Instagram: "most people, the size of the pupils chan…
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medical / biology explain on Instagram: ""Normally our pupils change size automatically with light, but a few rare people can voluntarily control it! 👁️🧠 This happens when they consciously activate the same muscles that usually respond to light — a rare mix of brain focus and body awareness. Truly, the human body is more powerful than we think! 🔬✨" DM for credit l removal... For educational purposes only... Follow: @biology_explain #HumanBiology #PupilControl #EyeScience #RareAbility #Neurosc
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medical / biology explain on Instagram: ""Normally our pupils …
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Not a movie trick. A small number of people can actually change the size of their pupils on command. Studies have confirmed this rare ability, including a 2021 case involving a German student who could voluntarily dilate and constrict his pupils by up to 2.4 mm just by engaging eye muscles — no light changes, no mental imagery tricks. It’s extremely uncommon, but it is real.
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