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Chapter 3: Problem 10

Describe the sensory capabilities of the newborn.

Short Answer

Expert verified
The sensory capabilities of a newborn are rapidly developing. They can see up to 8-12 inches away, with a preference for high contrast colors and patterns. Hearing is well developed and they can recognize their mother's voice. Their sense of smell and taste is strong, with preferences for the smell of breastmilk and sweet tastes. The sense of touch is acute, particularly around the mouth, palms, soles of their feet and abdomen.

Step by step solution

01

- Discuss Newborn's Vision

A newborn's vision is underdeveloped at birth, but improves rapidly. At first, they can only see clearly objects that are 8-12 inches away. This is approximately the distance between a nursing baby and his mother's face. They can also detect high contrast patterns and colors (preferably black, white and red).
02

- Discuss Newborn's Hearing

A newborn's hearing is well developed by birth, though it is not perfect. In fact, studies suggest that hearing is one of the earliest senses to develop in the womb. Newborns can recognize their mother's voice from birth, a sign that learning may begin in utero.
03

- Discuss Newborn's Sense of Smell and Taste

The sense of smell and taste is strong in a newborn. Babies can identify their mother solely by scent, and have a preference for the smell of breast milk. Similarly, newborns have a preference for sweet tastes from birth.
04

- Discuss Newborn's Sense of Touch

The sense of touch is acute in newborns. Physical contact is important to the infant's growth and development. They are particularly sensitive around the mouth, palms, soles of their feet and abdomen.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Infant Vision
Infants are born with developing eyesight, which means initial vision is quite blurred and limited. Newborns can see best at a distance of 8-12 inches, about the spacing between the baby and a caregiver's face when holding them close. This is ideal for bonding as they learn to recognize faces.
While their color vision is not fully developed, they show a preference for high contrast patterns, particularly in black, white, and red. Over the first few months, their ability to perceive colors, focus on objects at varying distances, and track moving objects improves rapidly.
Infant Hearing
Newborns are born with relatively mature senses of hearing. This development begins in the womb, allowing them to hear and even recognize sounds from their environment before birth.
One fascinating aspect of newborn hearing is their ability to recognize their mother's voice. This recognition stems from the familiarity that begins before birth and continues to play a key role in emotional bonding and language development.
  • They respond to high-pitched sounds and can be calmed by soothing rhythmic noise.
  • Newborns also show startle reflexes in response to sudden loud noises.
Infant Taste
The sense of taste in infants is quite developed at birth. Newborns show a natural inclination towards sweet flavors over others. This preference for sweetness is thought to be biologically ingrained as it can lead the infant towards nourishing substances like breast milk.
Interestingly, taste preferences continue to evolve as infants grow, influenced by the variety of flavors introduced to them. This early development of taste also closely ties to the sense of smell, as the two senses are connected in flavor perception.
Infant Touch
Touch is a vital sense for newborns and is largely developed by birth. It plays a crucial role in their early development, as it helps them to explore their environment and bond with caregivers. The sense of touch is particularly heightened around areas such as the mouth, palms, feet soles, and abdomen.
  • Newborns find comfort and enjoy skin-to-skin contact, which helps in their emotional and physical growth.
  • This close contact can soothe, regulate their temperature, and strengthen the parent-infant bond.
Over time, touch in conjunction with other senses like sight and sound enables infants to better understand their surroundings.

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