Tag: media consumption

Categories : Metabolic Disorders PaediatricsTags : Leave a comment

Childhood TV Watching Linked to Metabolic Syndrome in Adulthood

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A new study has added to the evidence that excessive TV watching as a child can lead to poor health in adulthood. The research, published this week in the journal Pediatrics, found that children who watched more television were more likely to develop metabolic syndrome as an adult.

Metabolic syndrome is a cluster of conditions including hypertension, hyperglycaemia, excess body fat, and abnormal cholesterol levels that lead to an increased risk of heart disease, diabetes and stroke.

Using data from 879 participants of the Dunedin study, researchers found those who watched more television between the ages of 5 and 15 were more likely to have these conditions at age 45.

Television viewing times were asked at ages 5, 7, 9, 11, 13 and 15. On average, they watched just over two hours per weekday.

“Those who watched the most had a higher risk of metabolic syndrome in adulthood,” says Professor Bob Hancox, who led the study.

“More childhood television viewing time was also associated with a higher risk of overweight and obesity and lower physical fitness.”

Boys watched slightly more television than girls and metabolic syndrome was more common in men, than women (34% and 20% respectively). The link between childhood television viewing time and adult metabolic syndrome was seen in both sexes however, and may even be stronger in women.

There was little evidence that watching less television as an adult reduced the association between childhood television viewing and adult health.

“While, like any observational study, researchers cannot prove that the association between television viewing at a young age directly causes adult metabolic syndrome, there are several plausible mechanisms by which longer television viewing times could lead to poorer long-term health.

“Television viewing has low energy expenditure and could displace physical activity and reduce sleep quality,” he says.

“Screentime may also promote higher energy intake, with children consuming more sugar-sweetened beverages and high-fat dietary products with fewer fruit and vegetables. These habits may persist into adulthood.”

The results are important because screen times have increased in recent years with new technologies.

“Children today have far more access to screen-based entertainment and spend much more time being sedentary. It is likely that this will have even more detrimental effects for adult health.

“These findings lend support to the World Health Organization recommendation that children and young teenagers should limit their recreational screen time.”

Source: University of Oregon

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People Always Strive to See the Good in Villainous Characters

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From Shakespeare’s Macbeth to Star Wars’ Darth Vader, people love fictional villains. No matter how despicable they may be, audiences are still drawn to the dark side. In fact, according to a new behavioural experiment published in the journal Cognition, both adults and children more often reported that villains were inwardly good than that heroes were inwardly bad.

“In other words, people believe there is a mismatch between a villain’s outward behaviours and their inner, true self, and this is a bigger gap for villains than for heroes,” said study lead author Valerie Umscheid, University of Michigan psychology doctoral student.

Inside, villains are a little less evil than they outwardly seem while heroes are fully good guys inside and out.

Umscheid and colleagues conducted three studies with 434 children (ages 4–12) and 277 adults to determine how individuals make sense of antisocial acts committed by evil-doers. They focused on participants’ judgments of both familiar and novel fictional villains and heroes, such as Disney’s Ursula from The Little Mermaid and Pixar’s Woody from Toy Story.

Study 1 established that children viewed villains’ actions and emotions as overwhelmingly negative. This suggests that children’s well-documented tendency to judge people as good does not prevent their appreciation of extreme forms of villainy.

Studies 2 and 3 assessed children’s and adults’ beliefs regarding heroes’ and villains’ moral character and true selves, using an array of converging evidence, including how a character felt inside, whether a character’s actions reflected their true self and whether a character’s true self could change over time.

Across these measures, the research indicated that both children and adults consistently evaluated villains’ true selves to be overwhelmingly evil and much more negative than heroes’. At the same time, researchers also detected an asymmetry in the judgments, wherein villains were more likely than heroes to have a true self that differed from their outward behaviour.

Both children and adults believed characters like Ursula had some inner goodness, despite the bad/immoral actions they regularly engage in, Umscheid said.

Source: University of Michigan

Categories : PaediatricsTags : Leave a comment

Viewing Violent TV Leaves Lasting Impact on Preschool Children

On By ModernMedia
Photo by Helena Lopes

Watching violent TV during the preschool years can lead to later risks of psychological and academic impairment by the end of primary school according to a new study published in the Journal of Developmental and Behavioral Pediatrics.

According to study leader Professor Linda Pagani, a professor at Université de Montréal’s School of Psycho-Education, it was previously “unclear to what extent exposure to typical violent screen content in early childhood – a particularly critical time in brain development – can predict later psychological distress and academic risks,” said Pagani.

“The detection of early modifiable factors that influence a child’s later well-being is an important target for individual and community health initiatives, and psychological adjustment and academic motivation are essential elements in the successful transition to adolescence,” she added.

“So, we wanted to see the long-term effect of typical violent screen exposure in preschoolers on normal development, based on several key indicators of youth adjustment at age 12.”

To do this, Pagani and her team examined the violent screen content that parents reported their children viewing between ages three-and-a-half and four-and-a-half, and then conducted a follow-up when the children reached 12.

Follow-up at age 12

At the follow-up, two reports were taken: first, of what teachers said they observed, and second, of what the children themselves, now at the end of Grade 6, described as their psychological and academic progress.

“Compared to their same-sex peers who were not exposed to violent screen content, boys and girls who were exposed to typical violent content on television were more likely to experience subsequent increases in emotional distress,” said Pagani.

“They also experienced decreases in classroom engagement, academic achievement and academic motivation by the end of the sixth grade,” she added.

“For youth, transition to middle school already represents a crucial stage in their development as adolescents. Feeling sadness and anxiety and being at risk academically tends to complicate their situation.”

Pagani and co-authors Jessica Bernard and Caroline Fitzpatrick came to their conclusions after examining data from a cohort of children born in 1997 or 1998 who are part of the Quebec Longitudinal Study of Child Development, coordinated by the Institut de la statistique du Québec.

Close to 2000 children studied

In all, the parents of 978 girls and 998 boys participated in the study of violent TV viewing at the preschool age. At age 12 years, the children and their teachers rated the children’s psychosocial and academic achievement, motivation and participation in classroom activities.

Pagani’s team then analysed the data to identify any significant link between problems with those aspects and violent content they were exposed to at preschool, while trying to account for as many possible biases and confounding influences as possible.

“Our goal was to eliminate any pre-existing conditions of the children or families that could have provided an alternative explanation or throw a different light on our results,” Pagani said.

Watching TV is a common early childhood pastime, and some of the children in the study were exposed to violence and some were not.

Psychological and academic impairment in children is of increasing concern for education and public-health sector workers. According to Pagani, problems starting middle school (ages 13 to 15) are rooted in early childhood.

Identifying with fictional characters

“Preschool children tend to identify with characters on TV and treat everything they see as real,” she said. “They are especially vulnerable to humorous depictions of glorified heroes and villains who use violence as a justified means to solve problems.

“Repeated exposure,” she added, “to rapidly paced, adrenaline-inducing action sequences and captivating special effects could reinforce beliefs, attitudes and impressions that habitual violence in social interactions is ‘ normal’. Mislearning essential social skills can make it difficult to fit in at school.”

Added Bernard: “Just like witnessing violence in real life, being repeatedly exposed to a hostile and violent world populated by sometimes grotesque-looking creatures could trigger fear and stress and lead these children to perceive society as dangerous and frightening.

“And this can lead to habitually overreacting in ambiguous social situations.”

She continued: “In the preschool years, the number of hours in a day is limited, and the more children get exposed to aggressive interactions (on screens) the more they might think it normal to behave that way.”

Pagani added: “Being exposed to more appropriate social situations, however, can help them develop essential social skills that will later be useful and ultimately play a key role in their personal and economic success.”

Source: University of Montreal