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TEST 5 – What Do Babies Know?
Complete each sentence with the correct ending
A-E
.
1.
Jean Piaget thinks infants younger than 9
months won’t know something existing
2.
Jean Piaget thinks babies only get the
knowledge
3.
Some cognitive scientists think babies have
the mechanism to learn a language
4.
Sylvain Sirois thinks that babies can reflect
a response to stimuli that are novel
5.
Sylvain Sirois thinks babies’ attention level
will drop
A
before they are born.
B
before they learn from experience.
C
when they had seen the same thing for a while.
D
when facing the possible and impossible events.
E
when the previous things appear again in the lives.
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 month
crumples, his body stiffens, and he lets rip an almighty shriek of distress. This is the usual expression when
babies are left alone or abandoned. 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 baby lab, 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 baby lab. 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 diametre 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 psychologist, 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 theorise
that infants arrive already
equipped with some knowledge of the physical world and even rudimentary programming for math and
language. Baby lab 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 nothing.” What Sirois
and his postgraduate assistant Lain 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