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CrowdScience listener Jeroen finds it hard to remember people's faces - and he wants to know why. He wonders if it's to do with getting older and if there鈥檚 any way of improving.

Presenter Caroline Steel has the same problem and is keen to find an answer too.

She meets Professor Zaira Cattaneo, a neuroscientist based in Italy who researches face perception. Zaira has discovered which parts of the brain are engaged in facial recognition. She explains how we recognise faces and why ageing could be a factor in Jeroen鈥檚 difficulty.

Caroline travels to Bournemouth in the UK to meet researcher Professor Sarah Bate, who assesses Caroline's ability to recognise faces and explains the causes of face blindness.

And she compares notes with fellow CrowdScience presenter Marnie Chesterton, who also has difficulty remembering faces. Around two per cent of the population have the condition. Could there be a reason why more than a third of CrowdScience presenters experience face blindness?

If you鈥檝e got a science question you鈥檇 like us to answer, email crowdscience@bbc.co.uk.

Presenter Caroline Steel

Producer Jo Glanville

Editor Ben Motley

(Photo:Packaging cardboard on the head with different emotions - stock photo Credit: Flying broccoli via Getty Images)