This clinical study is testing a new device to help preterm babies learn to tell different speech sounds apart. Preterm means a baby is born too early, before 37 weeks. This study is for babies in the hospital who are at least 32 weeks old. The device is a special pacifier with a sensor, connecting to a speaker that plays the mother's voice. It helps babies learn by sucking on the pacifier. Babies often miss out on hearing their parents in the NICU (Neonatal Intensive Care Unit) because parents can’t always be there. Hearing parents' voices is important for language development.

Researchers will use EEG (electroencephalogram) to see how babies' brains respond to sounds, comparing those who use the device to those who don't. An EEG is a test that measures brain activity, showing how the brain processes sounds. The study aims to improve speech sound learning in preterm babies.

• You need to be in the hospital NICU, and the study lasts for 3 weeks.
• The pacifier device is safe and easy to use.
• Participation helps improve understanding of speech sound development in preterm infants.