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So fetuses, their development, and their experiences are a natural curiosity. When and how do fetuses start taking part in the human experience?

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Can they recognize faces from the womb? One team of British scientists thinks their research demonstrates that fetuses prefer face-like visual cues. Like, fetuses can literally recognize faces projected onto the inside of the uterus. They essentially repeat experiments done in the past with newbornsthat certain geometric patterns, in this case, the upside-down triangle, look more like faces. They measured and compared with ultrasound how much the fetuses turned their heads.

The results seem to prove their hypothesis: Simply doing this type of research has importance. There have been plenty of studies on how fetuses respond to sounds, but very little information on responses to light.

So this line of research can add evidence to when and how fetuses begin developing those instincts. But he and other researchers looked at the paper with plenty of skepticism. I find it sensational and not based on the data. For instance, the number of head turns made by a fetus is an inexact measure. Also, while the researchers shined three dots of light onto the baby bump, they assumed—but did not see—what pattern the fetus was seeing. And probably more importantly, fetuses make money doing captchas most of their time asleep, she said.

The researchers said they ruled out cases where the baby what is scalping forex trading in a deep sleep, but the fetuses could have been lightly sleeping and rousing to different brightnesses of light. She thought there were simply too many assumptions along each step of the way. And even those core assumptions might be wrong. Doubt has been cast on the working assumption that infants prefer face-like geometric patterns.

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So why even cover this study? There are a lot of reasons. Splashy paper titles frequently get covered without skepticism, and press releases might get shared without presenting study limitations. And DiPietro worried that make money doing captchas looking to make some money might use these results might create products showing faces to fetuses in the womb, the same way that people play music for fetuses in the womb.

But rather than throw away this evidence or take it as fact, Johnson said other scientists need to do a more rigorous replication study with fewer sources of bias or assumptions. He highlighted that they are specifically referring to face-like visual stimuli, not faces. That in itself is a huge leap forward.

Additionally, Reid had some comments on our skepticism.

He pointed out that the study attempts to correct for things like poor visual acuity and fetuses spending much of their time asleep, as well as for the fact that they could not see what the fetuses are seeing. He agreed that head turns are an imprecise measurement and that there were assumptions made along the way. Video Sploid Paleofuture io9 Science Reviews Field Guide.

Can Fetuses Recognize Faces When They're Still in the Womb?

Edit Promote Share to Kinja Toggle Conversation tools Go to permalink. This Artificial Womb Could Revolutionize the Way We Treat Premature Babies. Scientists Have Created the First Artificial Embryo Without Using an Egg or Sperm. There Is Now a Wearable For Babies Before They Are Born.

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