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.   motion.
B.   depth perception.
C.   the visual cliff.
D.   pattern perception.
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.   neuroimaging.
B.   programmed cell death.
C.   neurotransmission.
D.   myelination.
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.   prereaching.
C.   the palmar grasp.
D.   the ulnar grasp.
Question #4
Marasmus
A.   is common in regions of the world where children get just enough calories from starchy foods.
B.   is caused by an unbalanced diet very low in protein.
C.   usually strikes after weaning.
D.   is caused by a diet low in all essential nutrients.
Question #5
Synapses are
A.   chemicals released by neurons.
B.   responsible for myelination.
C.   tiny gaps where fibers from different neurons come close together but do not touch.
D.   nerve cells that store and transmit information.
Question #6
Following habituation, when a new stimulus causes responsiveness to return to a high level,
A.   the increase is called recovery.
B.   heart rate and respiration rate both decline.
C.   the increase is called extinction.
D.   a familiarity preference is established.
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.   sensitive
B.   critical
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.   formula
B.   sucking
C.   crying
D.   stroking the hair
Question #9
In operant conditioning, a reinforcer
A.   is a neutral stimulus.
B.   is a stimulus that increases the occurrence of a response.
C.   decreases the occurrence of a response.
D.   removes a desirable stimulus.

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