Lifespan Chapter 3

25 July 2022
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question
The _____ includes the cerebral cortex and several structures beneath it.
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forebrain
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Which of the following statements is true about brain development?
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Extensive brain development continues after birth, through infancy and later.
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Which of the following is most likely to allow information to pass from neuron to neuron?
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the chemical interactions in synapses that connect axons and dendrites
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Identify a disadvantage of breast feeding in the context of impoverished African countries.
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There is risk of passing HIV to babies through breast milk if the mothers have the virus.
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When babies engage in physical activity or use language, some synaptic connections will be strengthened, while the unused ones will be replaced by other pathways or disappear. A neuroscientist would identify this process as
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pruning.
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Infants control the muscles of their trunk and arms before they control their hands and fingers, and they use their whole hands before they can control several fingers. This indicates a _____ pattern of growth.
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proximodistal
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A message in the brain is "ferried" across the synapse by a _____, which pours out information contained in chemicals when it crosses the synapse.
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neurotransmitter
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When do the hemispheres of the cerebral cortex begin to specialize?
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at birth
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The most common infant sleep-related problem reported by parents is _____.
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nighttime waking
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Which of the following is true of synaptic overproduction with respect to synaptic connections between neurons?
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Both heredity and environment are thought to influence the timing and course of synaptic overproduction.
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Your ability to process language in the left hemisphere of the brain and spatial thinking in the right hemisphere of the brain is called
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lateralization.
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Infants can see objects before they can control their torso, and they can use their hands long before they can crawl or walk. This would indicate that they have a _____ pattern of growth.
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cephalocaudal
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Which of the following statements is true of the structure of the brain?
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The brain has two hemispheres, and each hemisphere is divided into four lobes.
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The cephalocaudal pattern is the sequence in which the earliest growth always occurs at the
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top—the head—with physical growth and differentiation of features gradually working their way down from top to bottom.
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In the context of the fibers that extend from a neuron's cell body, the fiber that carries signals toward the neuron's cell body is called a(n)
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dendrite.
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In the brain, the _____ lobes have an active role in hearing, language processing, and memory.
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temporal
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In the brain, the _____ lobe is involved in voluntary movement, thinking, personality, and intentionality or purpose.
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frontal
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Most neuroscientists agree that complex functions such as reading or performing music involve
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both hemispheres of the brain.
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According to neuroscientists, which of the following is true of how the brain is wired or rewired?
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Repeated experience is what wires the brain or rewires it.
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In the context of the brain's development, which of the following statements is true of lateralization?
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It refers to the specialization of function in one hemisphere of the cerebral cortex or the other.
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In the context of the four lobes of the brain, which of the following statements is true of the occipital lobes?
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They function in vision.
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Which of the following statements is true of the forebrain?
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It is the portion of the brain that is farthest from the spinal cord.
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Which of the following is involved in providing energy to neurons and aids communication?
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myelination
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In the context of neurons, which of the following statements is true of the myelin sheath?
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It is a layer of fat cells that insulates axons and helps electrical signals travel faster down the axon.
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Which of the following statements is true about the involvement of the left and right hemispheres of the brain in performing different functions?
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Humor and use of metaphors usually depend on activity in the right hemisphere.
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Which of the following statements is true of how neurons change in the first years of life?
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The synaptic connections that are used become strengthened and survive, while the unused ones are replaced by other pathways or disappear.
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The _____ lobe area in the brain plays an important role in registering spatial location, attention, and motor control.
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parietal
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Which of the following statements about infants and REM sleep is true?
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REM sleep might promote the brain's development in infancy.
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While scooting on the floor, baby Giovanni fell down the stairs. If he can no longer see, it is likely that the _____ lobe of his brain was damaged.
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occipital
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Which of the following technologies measures infants' brains as they are exploring the world around them? Multiple Choice
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functional near-infrared spectroscopy (fNIRS)
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_____ are tiny gaps, or junctions, between neurons' fibers.
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Synapses
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Which of the following is generally accepted to be the most critical factor in predicting whether an infant will develop sudden infant death syndrome (SIDS)?
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prone sleeping
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In the context of the fibers that extend from a neuron's cell body, the fiber that carries signals away from the neuron's cell body is called a(n)
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axon.
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Which of the following is true of the prefrontal cortex of the brain?
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It is the area of the brain where higher-level thinking and self-regulation occur.
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Which of the following technologies, a measure of the brain's electrical activity, have researchers been able to use successfully to learn about the brain's development in infancy?
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electroencephalogram (EEG)