Human sense of hearing has developed since the last trimester of pregnancy. Previous research has shown, the fetus can hear sounds with minimal distortion. At the age of 34 weeks of gestation, the inner ear called the cochlea has developed because it is more perfect hearing.
To find out whether babies can remember sounds heard in the womb, a team of researchers from France to listen to a melody to the fetus and then listen again after their birth.
A total of 50 pregnant women who are involved in this study were asked to listen to a brief recording of low-pitched piano melody twice a day at 35-37 weeks of gestation. Records of the melody a duration of 3.6 seconds with a length of nine notes.
Then after a month-old, the baby was a piano melody is played back the recording when the baby is asleep.
The researchers found, when the piano melody is heard again, the baby's heartbeat gradually slowed down to 12 bits per minute, but when I heard the music that has never heard, his heartbeat dropped only 5 bits per minute.
"The music or sound is often heard fetus in the womb will produce a stronger response in the baby's heart. Decrease in heart rate high enough that indicate baby give more attention to melody he had heard, though he did not hear it again for six weeks," said Granier- Deferre, researcher.
The results of this study also confirmed the baby will remember the familiar voices in his ear, including her mother's voice, especially if the mother regularly invites her fetus in conversation.
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