These sounds involve consonants and vowels such as "dadada".
Babbling
This study found that a baby’s heart rate changed more in response to mother vs. stranger’s voice.
Kisilevsky et al. (2003) (Infant memory)
This study found that children were overconfident in their incorrect answer choices.
Roebers et al. (2004) (Children's metamemory)
This technique was used to study infant memory in which a mobile hangs above the infant’s crib, a ribbon connects the infant’s ankle and the mobile so that the infant’s kicks will make the mobile move.
Conjugate Reinforcement Technique
This study found that infants can recognize their own names because they are more likely to turn their heads when their own name is spoken vs. similar name.
Mandel et al. (1995) (Infant Language Comprehension)
This study found that younger children failed to move pictures around to help organize. Older children organized the pictures into categories to aid memory.
Moely et al. (1969) (Children's memory strategies)
This theory states, children learn a general rule for past-tense verbs but also store in memory past tenses of irregular verbs.
Rule-and-memory Theory
This study found that infants who heard a happy voice watched the happy face more often, demonstrating an understanding of the link between sight and sound.
Walker-Andrews (1986) (Infant Language Comprehension)
This study found that children who imagined certain events often reported they had done them.
Foley et al. (1998) (Children's source memory)