Psychology 041 - Lifespan Psychology » Spring 2019 » Chapter 4 Quiz

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Question #1
Dr. Anderson wants to study infants' ability to judge the distance of objects from one another and from themselves. Dr. Anderson's research involves the study of
A.   depth perception.
B.   pattern perception.
C.   the visual cliff.
D.   motion.
Question #2
When Baby Jaleel was born, stimulation in his brain resulted in a massive overabundance of synapses. As synapses formed, many surrounding neurons died. This process is known as
A.   programmed cell death.
B.   neuroimaging.
C.   myelination.
D.   neurotransmission.
Question #3
One-year-old Jameson sits on the sidewalk picking up blades of grass left after his mother mows the lawn. Jameson is using
A.   the pincer grasp.
B.   the ulnar grasp.
C.   prereaching.
D.   the palmar grasp.
Question #4
Marasmus
A.   is caused by an unbalanced diet very low in protein.
B.   is caused by a diet low in all essential nutrients.
C.   usually strikes after weaning.
D.   is common in regions of the world where children get just enough calories from starchy foods.
Question #5
Synapses are
A.   nerve cells that store and transmit information.
B.   responsible for myelination.
C.   chemicals released by neurons.
D.   tiny gaps where fibers from different neurons come close together but do not touch.
Question #6
Following habituation, when a new stimulus causes responsiveness to return to a high level,
A.   the increase is called extinction.
B.   the increase is called recovery.
C.   a familiarity preference is established.
D.   heart rate and respiration rate both decline.
Question #7
Research suggests a __________ period during the second half of the first year, when babies are biologically prepared to "zero in" on socially meaningful perceptual differences.
A.   critical
B.   sensitive
C.   recovery
D.   habituation
Question #8
Every time Trisha bottle-fed baby Isabel, she stoked Isabel's hair. In time, Isabel would make a sucking noise each time Trisha stroked her hair. In this example, __________ is the unconditioned stimulus.
A.   crying
B.   stroking the hair
C.   formula
D.   sucking
Question #9
In operant conditioning, a reinforcer
A.   removes a desirable stimulus.
B.   is a stimulus that increases the occurrence of a response.
C.   decreases the occurrence of a response.
D.   is a neutral stimulus.

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