According to kuhl's research, at birth, infants are "citizens of the world," able to recognize sounds regardless of the syllables’ language. at what age do infants get better at perceiving the changes in sounds in their own language?
a. 3 - 6 months
b. 6 - 9 months
c. 6 - 12 months
d. 12 - 18 months

The correct answer is 6-9 months.

Explanation:

According to the research done by Dr. Patricia Kuhl of the University of Washington in Seattle and colleagues at Stockholm University in Sweden, the Massachusetts Institute of Technology and the University of Texas in Austin, babies can perceive and learn the basics sounds of their language when they are 6 months old whereas before this study, it was suggested that they gained this ability when they are around 1 year old. I hope this answer helps.

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