For all the impressive advancements in medical technology, researchers and scientists still face a daunting challenge when they study the habits of the adorable but uncommunicative subjects called human infants.
In order to study infants without overwhelming them, scientists often try to mask the massive machines needed to view brain activity either by having the child sleep through it or by covering it in kid-friendly decorations. Other researchers have devised decidedly low-tech ways of reading an infant’s interest in a subject, even when they can’t say a single word.
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