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Chapter Three

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5.kinetic cue to depth perception based on the fact that nearby moving objects move across our visual field faster than do distant objects
7.motor skills associated with grasping, holding, and manipulating objects
10.cues to depth perception in which motion is used to estimate depth
12.glass-covered platfrom that appears to have a "shallow" and a "deep" side; used to study infants' depth perception
13.state in which a baby cries vigorously, usually accompanied by agitated but uncoordinated movement
14.flat group of cells present in prenatal development that becomes the brain and spinal cord
16.small knobs at the end of the axon that release neurotransmitters
18.sleep in which the heart rate, breathing, and brain activity are steady; (nonREM) sleep
19.irregular sleep in which an infant's eyes dart rapidly beneath the eyelids while the body is quite active
21.process by which an individual's unique experiences over a lifetime affect brain structures and organization
23.cry that begins with a sudden long burst, followed by a long pause and gasping
24.specialized neurons in the back of the eye that sense color
28.tubelike structure that emerges from the cell body and transmits information to other neurons
29.more intense version of a basic cry
31.theory that views motor development as involving many distinct skills that are organized and reorganized over time to meet specific needs
32.right and left halves of the cortex
33.coordinated movements of the muscles and limbs
36.young children who have just learned to walk
39.gradual reduction in the number of synapes, beginning in infancy and continuing until early adolescence
40.infants' sensory systems are attuned to information presented simultaneously to different sensory modes
42.chemicals released by the terminal buttons that allow neurons to communicate with each other
44.center of the neuron that keeps the neuron alive
45.state in which a baby alternates from being still and breathing regularly to moving gently and breathing irregularly; the eyes are closed throughout
46.perceptual cue to depth based on the fact that the texture of objects changes from coarse to distinct for nearby objects to finer and less distinct for distant objects
47.consistent style or pattern of behavior
48.state in which a baby's eyes are open but seem unfocused while the arms or legs move in bursts of uncoordinated motion
49.brain region that regulates personality and goal-directed behavior
50.early, unsteady form of walking done by infants
51.being small for one's age because of inadequate nutrition
1.cry that starts softly and gradually becomes more intense; often heard when babies are hungry or tired
2.wrinkled surface of the brain that regulates many functions that are distinctly human
3.method of studying brain activity by using magnetic fields to track blood flow in the brain
4.a cue to depth perception based on the fact that parallel lines come together at a single point in the distance
6.ability to move around in the world
8.way of inferring depth based on differences in the retinal images in the left and right eyes
9.basic cellular unit of the brain and nervous system that specializes in receiving and transmitting information
11.kinetic cue to depth perception that is based on the fact that an object fills an ever-greater proportion of the retina as it moves closer
15.process by which the wiring of the brain is organized by experiences that are common to most humans
17.when a healthy baby dies suddenly for no apparent reason
20.state in which a baby is calm whit eyes open and attentive; the baby seems to be deliberately inspecting the environment
22.thick bundles of neurons that connects the two hemispheres
25.end of the neuron that receives information; it looks like a tree with many branches
26.the study of the brain waves recorded from electrodes that are placed on the scalp
27.ideas about connections between thoughts, beliefs, intentions, and behavior that create an intuitive understanding of the link between mind and behavior
30.unlearned responses triggered by specific stimulation
34.cues to depth perception that are used to convey depth in drawings and paintings
35.distingushing and mastering individual motions
37.smallest pattern that one can distinguish reliably
38.process by which the brain receives, selects, modifies, and organizes incoming nerve impulses that are the result of physical stimulation
41.linking individual motions into a coherent, coordinated whole
43.fatty sheath that wraps around neurons and enables them to transmit information more rapidly

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