Hi there I'm wondering if anyone else has experienced this. My youngest daughter is 2 and has always had a very strong startle reflex. Even as a six month old baby playing the usual games holding them above your head etc would induce such a strong startle reflex that she would hold her breath and turn purple. Walking down stairs I'd have to carry her facing inward or the same would happen. She is now two and it happens still while we are in the car especially on hilly roads going up and down, she clings to her car seat and turns purple. It happened the other day at the park while on the roundabout and she's always hated swings for the same reason. Thanks for reading and I look forward to any replies.