Children under 14 have little capacity to spot things outside their area of focus, a new study suggests.
Researchers from the University College London (UCL) found that kids are more likely than adults to be 'blinded' to their surroundings when focusing on simple things.
They found a somewhat frustrating experience familiar to many parents and carers: young children fail to notice their carer trying to get their attention because they have little capacity to spot things outside their area of focus.
The research could also explain why children engrossed in a book, game or television programme appear to ignore parents or teachers.
"That children have much less peripheral awareness than adults has important implications for child safety," said Professor Nilli Lavie of the UCL Institute of Cognitive Neuroscience, who led the research.
"Parents and carers should know that even focusing on something simple will make children less aware of their surroundings, compared to adults.
To test peripheral perception across different age groups, over 200 visitors to the Science Museum in London took part in experiments as part of the Live Science programme.
They were asked to judge which line in a cross shape was the longest in seven trials.
In the seventh, a black square outline flashed up on the screen and participants were asked whether they noticed it or not.
Adults were able to consistently spot the square most (over 90 per cent) of the time for both moderate and low difficulty tests, whereas kids' performance was far worse.
There were no differences between the two difficulties for adults, since both tasks were relatively simple, showing that young children are particularly prone to inattentional blindness.
The study was published in the journal Frontiers of Human Neuroscience.
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