--- title: The Brain: What Do Babies Know? description: Less than we thought, say scientists at the new Babylab. What passed for intelligence may have been boredom canonical: https://time.com/archive/6596781/the-brain-what-do-babies-know/ author: Michael Brunton article:opinion: false article:content_tier: free article:published_time: 2007-01-29T05:00:00.000Z article:modified_time: 2026-04-22T05:58:22.114Z article:section: Science og:title: The Brain: What Do Babies Know? og:description: Less than we thought, say scientists at the new Babylab. What passed for intelligence may have been boredom og:url: https://time.com/archive/6596781/the-brain-what-do-babies-know/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production og:image:width: 1200 og:image:height: 675 og:image:alt: TIME og:type: article twitter:card: summary_large_image twitter:title: The Brain: What Do Babies Know? twitter:description: Less than we thought, say scientists at the new Babylab. What passed for intelligence may have been boredom twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production --- * [Science](/section/science/) # The Brain: What Do Babies Know? > Sponsored content. Supplied in partnership with TIME. 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Future Proof is TIME's weekly climate and energy newsletter, written by senior correspondent Justin Worland. It connects the energy transition to the decisions reshaping business, technology, policy and markets. #### Where can I follow the energy transition as a business story? Future Proof covers climate and energy as an economic and business story rather than only an environmental one. It publishes every Friday and is free at time.com/newsletters. #### Who writes Future Proof? Justin Worland, a senior correspondent at TIME and an award-winning climate journalist, writes Future Proof. #### Is Future Proof free? Yes. Future Proof is free at time.com/newsletters. by [Michael Brunton](https://time.com/author/michael-brunton/) Jan 29, 2007 5:00 AM UTC by [Michael Brunton](https://time.com/author/michael-brunton/) Jan 29, 2007 5:00 AM UTC As Daniel Haworth is settled into a high chair and wheeled behind a black screen, a sudden look of worry furrows his 9-month-old brow. His dark blue eyes dart left and right in search of the familiar reassurance of his mother’s face. She calls his name and makes soothing noises, but Daniel senses something unusual is happening. He sucks his fingers for comfort, but, finding no solace, his mouth crumples, his body stiffens, and he lets rip an almighty shriek of distress. Mom picks him up, reassures him, and two minutes later, a chortling and alert Daniel returns to the darkened booth behind the screen and submits himself to Babylab, a unit set up in 2005 at the University of Manchester in northwest England to investigate how babies think. Watching infants piece life together, seeing their senses, emotions and motor skills take shape, is a source of mystery and endless fascination–at least to parents and developmental psychologists. We can decode their signals of distress or read a million messages into their first smile. But how much do we really know about what’s going on behind those wide, innocent eyes? How much of their understanding of and response to the world comes preloaded at birth? How much is built from scratch by experience? Such are the questions being explored at Babylab. Though the facility is just 18 months old and has tested only 100 infants, it’s already challenging current thinking on what babies know and how they come to know it. Daniel is now engrossed in watching video clips of a red toy train on a circular track. The train disappears into a tunnel and emerges on the other side. A hidden device above the screen is tracking Daniel’s eyes as they follow the train and measuring the diameter of his pupils 50 times a second. As the child gets bored–or “habituated,” as psychologists call the process–his attention level steadily drops. But it picks up a little whenever some novelty is introduced. The train might be green, or it might be blue. And sometimes an impossible thing happens–the train goes into the tunnel one color and comes out another. Variations of experiments like this one, examining infant attention, have been a standard tool of developmental psychology ever since the Swiss pioneer of the field, Jean Piaget, started experimenting on his children in the 1920s. Piaget’s work led him to conclude that infants younger than 9 months have no innate knowledge of how the world works or any sense of “object permanence” (that people and things still exist even when they’re not seen). Instead, babies must gradually construct this knowledge from experience. Piaget’s “constructivist” theories were massively influential on postwar educators and psychologists, but over the past 20 years or so they have been largely set aside by a new generation of “nativist” psychologists and cognitive scientists whose more sophisticated experiments led them to theorize that infants arrive already equipped with some knowledge of the physical world and even rudimentary programming for math and language. Babylab director Sylvain Sirois has been putting these smart-baby theories through a rigorous set of tests. His conclusions so far tend to be more Piagetian: “Babies,” he says, “know squat.” What Sirois and his postgraduate assistant Iain Jackson are challenging is the interpretation of a variety of classic experiments begun in the mid-1980s in which babies were shown physical events that appeared to violate such basic concepts as gravity, solidity and contiguity. In one such experiment, by University of Illinois psychologist Renée Baillargeon, a hinged wooden panel appeared to pass right through a box. Baillargeon and M.I.T.’s Elizabeth Spelke found that babies as young as 31/2 months would reliably look longer at the impossible event than at the normal one. Their conclusion: babies have enough built-in knowledge to recognize that something is wrong. Sirois does not take issue with the way these experiments were conducted. “The methods are correct and replicable,” he says. “It’s the interpretation that’s the problem.” In a critical review to be published in the forthcoming issue of the European Journal of Developmental Psychology, he and Jackson pour cold water over recent experiments that claim to have observed innate or precocious social cognition skills in infants. His own experiments indicate that a baby’s fascination with physically impossible events merely reflects a response to stimuli that are novel. Data from the eye tracker and the measurement of the pupils (which widen in response to arousal or interest) show that impossible events involving familiar objects are no more interesting than possible events involving novel objects. In other words, when Daniel has seen the red train come out of the tunnel green a few times, he gets as bored as when it stays the same color. The mistake of previous research, says Sirois, has been to leap to the conclusion that infants can understand the concept of an impossibility from the mere fact that they are able to perceive some novelty in it. “The real explanation is boring,” he says. So how do babies bridge the gap between knowing squat and drawing triangles–a task Daniel’s sister Lois, 2 1/2, is happily tackling as she waits for her brother? “Babies have to learn everything, but as Piaget was saying, they start with a few primitive reflexes that get things going,” says Sirois. For example, hardwired in the brain is an instinct that draws a baby’s eyes to a human face. From brain-imaging studies we also know that the brain has some sort of visual buffer that continues to represent objects after they have been removed–a lingering perception rather than conceptual understanding. So when babies encounter novel or unexpected events, Sirois explains, “there’s a mismatch between the buffer and the information they’re getting at that moment. And what you do when you’ve got a mismatch is you try to clear the buffer. And that takes attention.” So learning, says Sirois, is essentially the laborious business of resolving mismatches. “The thing is, you can do a lot of it with this wet, sticky thing called a brain. It’s a fantastic, statistical-learning machine.” Daniel, exams ended, picks up a plastic tiger and, chewing thoughtfully upon its head, smiles as if to agree. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/archive/6596781/the-brain-what-do-babies-know/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/archive/6596781/the-brain-what-do-babies-know/"},"headline":"The Brain: What Do Babies Know?","datePublished":"2007-01-29T05:00:00.000Z","dateModified":"2026-04-22T05:58:22.114Z","description":"Less than we thought, say scientists at the new Babylab. 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