Over the past 30 years, the number of television programs targeting infants has been increasing. Between 1997 and 2014, screen time doubled among children aged 0 to 2 years.

A new study, published in Frontiers in Psychology, examined the impact passive screen use has on a young child’s cognitive development. It found that screen exposure—whether that be from a TV or mobile device—can be beneficial, depending on the context in which it’s viewed.

Researchers from the University of Portsmouth and Paris Nanterre University, France, have analysed 478 studies published in the past two decades. Their findings found exposure to television early on may be detrimental to play, language development and executive functioning, particularly for young infants.

Dr. Eszter Somogyi, from the Department of Psychology at the University of Portsmouth, said, “We’re used to hearing that screen exposure is bad for a child and can do serious damage to their development if it’s not limited to say less than an hour a day. While it can be harmful, our study suggests the focus should be on the quality or context of what a child is watching, not the quantity.

“Weak narrative, fast-pace[d] editing, and complex stimuli can make it difficult for a child to extract or generalize information. But when screen content is appropriate for a child’s age, it’s likely to have a positive effect, particularly when it’s designed to encourage interaction.”

Studies also show screen time is more beneficial to a child if a parent or adult is present, as they can engage with them and ask questions.

“Families differ a lot in their attitudes toward and the use of media,” explained Dr. Somogyi.

“These differences in the viewing context play an important role in determining the strength and nature of TV’s impact on children’s cognitive development. Watching television with your child and elaborating and commenting on what is viewed can help enhance their understanding of the content, reinforcing their learning during educational programs. Co-viewing can also contribute to the development of their conversation skills and provides children with a role model for appropriate television viewing behaviour.”

While the right type of content can do more good than harm, the study warns watching TV shouldn’t replace other learning activities, such as socializing. Instead, it is imperative to inform caregivers of children younger than 3 about the risks associated with prolonged exposure to screen viewing in the wrong context.

The authors recommend reinforcing contexts that promote learning, such as viewing chosen age-adapted content, viewing with adult supervision, and not having a second device or TV screen on in the background.

Dr. Bahia Guellaï, from the Department of Psychology at Paris Nanterre University, added, “The important ‘take home message’ here is that caregivers should keep in mind new technologies. Television or smartphones should be used as potential tools to compliment some social interactions with their young children, but not to replace it.

“I think the most important challenge of our societies for future generations is to make adults and young people aware of the risk of an unconsidered or inappropriate use of screen-use. This will help in preventing situations in which screens are used as the new type of child-minding, as it has been during the pandemic lockdowns in different countries. I am optimistic with the concept of finding an equilibrium between the rapid spread of new technological tools and the preservation of the beautiful nature of human relationships.”

 

 

 

 

 

Martin Doherty, writing for The Conversation, says that at the age of about four, children reach important milestones in brain development.

One of these is a huge improvement in understanding others’ thoughts and feelings. This is the start of empathy.  Another is in spatial thinking—understanding how objects are positioned and related. This is the beginning of the ability to read maps.

Martin and his colleague, Catherine Sayer, conducted a study with 175 two to five-year-olds to explore how children are able to use scale models to figure out where something is in the real world. At about four, children are able to use a scale model of a room to work out where something is. We thought that this might result from children’s understanding of how one thing can represent something else. But we actually found that four-year-olds’ ability to use scale models came from their spatial abilities.

At the same age, children start to understand that someone’s behaviour is due to what that person believes, not necessarily what is really the case. This has interesting consequences.

If you’ve played hide-and-seek with young children, you may have noticed that they aren’t always very good at it. They love the ritual of looking in all the wrong places first, but beforehand they may tell you where they are going to hide, hide in the same place every time, or not be especially hidden.

After their fourth birthday, they get much better at hide and seek. They understand that the seeker looks in the wrong places because they don’t know where the hider is.

At about three to four children also start to tell lies. They realize they can make someone believe something that isn’t true.

Understanding symbols

Martin’s earlier research with fellow psychologist Josef Perner suggests that four-year-olds don’t just start to understand how others’ minds work. Figuring this out is part of the development of an understanding of “representation”—that symbols, like thoughts, words, or pictures, can be used to stand for something else.

Children start to think about how words relate to objects. This means, for instance, knowing that “animal” can refer to something you already have a name for, such as “rabbit”. This might help children learn the new word.

Their ability to use a understand the components of pictures also improves around this age. Very young children use a lot of trial and error to complete a jigsaw, picking up random pieces to see if they fit. By the time they are about four years old, they start to use the picture as a guide, trying to connect lines and match bits of colour, while checking the guide picture on the box lid.

Developmental experiments

Another ability children develop at around four is using scale models. A classic set of developmental experiments involved a model of a regular household room. The real room had typical furniture—sofa, table, cupboard and so on—and the model had miniature versions laid out in the same way.

Children were shown where something was hidden in the model and told to find an object hidden in “the same place” in the room. Children of around four can find the object using the identical layouts. If shown a sticker under a particular chair in the model room, for example, they can go straight to the “same” chair in the other room. This is the fundamental understanding required to read maps.

Adults see scale models and maps as representations. Maps represent a town or a country. A scale model of, say, the Eiffel Tower represents the real thing. At first, Martin suspected children’s ability to use scale models is more evidence of understanding representation at this age.

He was wrong. Instead, the researchers found that this ability is based on a development in children’s spatial abilities that also occurs at about four. This is the ability to think about spaces and where objects are within them. Spatial abilities help with maths skills, and good spatial ability is linked to an interest in science, technology, engineering and mathematics.

Their experiment was simple. They compared the model room task with a test of understanding how representation works. The two abilities develop around the same age, but they found they were not related. Children who could do one task couldn’t necessarily do the other.

They also had a test of purely spatial ability. Children who passed the model room task also passed the spatial task. So it looks like the model room task relied on children‘s spatial thinking.

They don’t yet know why two important but apparently unrelated abilities arise at the same time. Perhaps it’s related to changes in the growing brain at this  interesting age.

Provided by The Conversation

Image supplied by Freepik.