Psychology 230 Chapter 3 – Flashcards
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Jordan's weight is in the 50th percentile. This means that:
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the baby is in the average range. 50% below and 50% above
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the human body is equipped to protect the brain when malnutrition temporality affects body growth. This protective feature is known as:
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head-sparing
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brain cells are called:
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neurons
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the last part of brain to mature is the:
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prefrontal cortex
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a life-threatening conditioned that occurs when infants are shaken back and forth sharply and quickly is called:
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shaken baby syndrome
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an abusive caregiver shakes an infant to get her to stop crying. The infant stops crying. Why?
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self-righting
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approximately how many hours per day does the average newborn spend asleep?
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15 to 17 hours a day
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at what point in development is the sense of hearing already quite acute?
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during the last trimester
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in terms of visual acuity, newborns:
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are legally blind when they are born, at 2 months have perception and then cognition and at 3 months they build up to depth perception
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the sense that is the least developed at birth is an infant's:
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vision
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by three months of age, babies look closely at the eyes and mouth when studying faces. This change in focus is due to:
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visual scanning
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due to smell recognition, babies prefer to sleep:
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next to their caregivers, and they nuzzle into their caregivers chests - especially when the adults are shirtless
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newborns' sense of touch allows them to:
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to be comforted by touch
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the learned ability to move and control some parts of the body is referred to as:
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motor skills
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most infants are able to inch forward on their bellies by the age of ______?
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5 months
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what three factors contribute to the ability to walk?
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muscle strength, brain maturation, practice
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most babies learn to grasp and hold onto objects by about _____ months old.
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6 months
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What is one effect of lower infant mortality rates?
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women have fewer babies because they have a higher chance of making it to adulthood which advances the national economy
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When the immune system is primed to resist a particular disease, the process is called:
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immunization (also called vaccination)
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When children are immunized, they contribute to the protection of others. This is referred to as:
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herd immunity
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A hypothesis that has been repeatedly disproved is that the MMR vaccine cause:
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autism
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why are breast-fed babies less likely to contract infectious diseases than bottle-fed babies?
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breast milk provides antibodies against any disease to which the mother is immune and decreases allergies and asthma
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studies comparing breast-feeding to bottle-feeding show that:
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breast-feeding is much better unless the mother has HIV
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a child who is too short for his or her age due to sever malnutrition is suffering from a conditioned called:
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stunting
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when a child is more than two standard deviations underweight for his or her age, the child is suffering from a condition called:
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wasting
