The visual display, music, or human voice is considered to be a(n) reinforcer in the case of infants who drink faster.
The early offspring of humans are called infants or babies. The phrase "infant" is a formal or specialised synonym for "baby." Other organisms' young may also be referred to by the names. In everyday speech, an infant that is only a few hours, days, or even a few weeks old, we call it newborn. A newborn, also known as a neonate, is an infant who has just given birth and is within the first 28 days of life. Premature, full-term, and postmature infants all fall under this definition. The child before birth is referred to as a foetus. Infants are often described as being younger than one year old.
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