Infant brains develop faster than thought

Infant brains develop faster than thought

FPJ BureauUpdated: Saturday, June 01, 2019, 01:19 AM IST
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London : A key element of infant brain development occurs years earlier than previously thought, scientists have found.                 The way we perceive faces – using the right hemisphere of the brain – is unique and sets us apart from non-human primates. It was thought that this ability develops as we learn to read. Now, scientists from the University of Louvain in Belgium have found that in babies as young as four months this ability is already highly evolved.

“Just as language is impaired following damage to the brain’s left hemisphere, damage to the right hemisphere can impair our ability to distinguish faces so it is critical to understand how it develops,” said co-author Bruno Rossion, Principal Investigator at the University of Louvain. Researchers used a cap fitted with electrodes to monitor the brain activity of 15 babies as they sat on their mothers’ laps and watched a rapid succession of images over 20 seconds.      They were shown 48 images of faces that differed in viewpoint, colour, lighting, and background, interspersed with 200 images of animals, plants, and human-made objects reported PTI.

Each image was shown for only 166 milliseconds, the same rate used for adult studies. Compared to other images, the appearance of a face was shown to coincide with a specific spike in stimulation of the right hemisphere of the brain.

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