When his mother calls his name from across the living room in their home in Seoul, six-year-old Ian's eyes turn in her direction.
This was thought impossible two years ago, says his mother, Dr Jenny Hwang, 43. The boy suffers from Lennox-Gastaut syndrome, a rare and severe form of childhood epilepsy that impairs cognitive and physical functions.
Already a subscriber? Log in
Read the full story and more at $9.90/month
Get exclusive reports and insights with more than 500 subscriber-only articles every month
ST One Digital
$9.90/month
No contract
ST app access on 1 mobile device
Unlock these benefits
All subscriber-only content on ST app and straitstimes.com
Easy access any time via ST app on 1 mobile device
E-paper with 2-week archive so you won't miss out on content that matters to you