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HDFS Exam 3What are reflexes? - correct answer ✔✔built in automatic responses to a stimuli
What are some examples of infant reflexes? - correct answer ✔✔eye blink, rooting, sucking,
stepping/crawling, babinski, grasping, moro, tonic neck
Babinski reflex - correct answer ✔✔toes fan out and grasp around whatever is touched
sucking reflex - correct answer ✔✔Reflex that causes a newborn to make sucking motions when a finger
or nipple if placed in the mouth/on the roof of the mouth
rooting reflex - correct answer ✔✔a baby's tendency, when touched on the cheek, to turn toward the
touch, open the mouth, and search for the nipple
Moro reflex - correct answer ✔✔Infant reflex where a baby will startle (jerk arms, legs, and head back) in
response to a loud sound or sudden movement.
Sensation - correct answer ✔✔Using 5 senses (taste, touch, sight, hearing, smell) to take information in
from the environment
Perception - correct answer ✔✔the processing, organization, and interpretation of the sensory
information taken in
is sensation active or passive? - correct answer ✔✔passive
is perception active or passive? - correct answer ✔✔active
Can you sense without perceiving? - correct answer ✔✔Yes, background noise, breathing, staring, zoning
out
,Can you perceive without sensing? - correct answer ✔✔Yes, dreams, hallucinations
Intermodal perception - correct answer ✔✔using 2 or more senses to take in and interpret sensory
information
Give an example of intermodal perception - correct answer ✔✔cooking: you use your vision, taste,
smell, and even touch
What happens in terms of hearing for babies that are 16-18 weeks old in gestation? - correct answer
✔✔they can hear their first sounds
What happens in terms of hearing for babies that are 20 weeks old in gestation? - correct answer
✔✔The outer ear finishes developing
What happens in terms of hearing for babies at birth? - correct answer ✔✔middle and inner ear finish
developing
What happens in terms of hearing for babies that are 4-7 months old? - correct answer ✔✔They can
recognize musical sounds
What happens in terms of hearing for babies that are 7-9 months old? - correct answer ✔✔They can
recognize sounds and phrases in their native language
What happens in terms of hearing for babies that are 10 months old? - correct answer ✔✔They screen
out languages that are not their native tongue (they can still sense the sound, but just not perceiving it)
Why do most hospitals do a hearing check on babies at birth? - correct answer ✔✔Because this is the
first time that hearing can be checked and ears are fully developed
What is hearing like for adolescents? - correct answer ✔✔Amazing hearing between the ages of 12-18
This is when hearing for high frequencies peaks
, When does hearing start to decline? - correct answer ✔✔After 18 years of age
What is presbyacusis? - correct answer ✔✔hearing loss due to aging
What are the hearing gender differences in late adulthood? - correct answer ✔✔Males have a harder
time hearing that females
What is the vision of a newborn baby? - correct answer ✔✔20/600 (very poor vision)
How does vision develop in a baby? - correct answer ✔✔Vision develops as the brain (specifically the
occipital lobe) develops and matures
What is one thing that a baby can see shortly after birth? - correct answer ✔✔Their parents face
(although it is still very blurry)
When can babies first see color? - correct answer ✔✔2 months
What is the first color that babies normally see? - correct answer ✔✔Red
When does depth perception develop? - correct answer ✔✔7-9 months
What is presbyopia? - correct answer ✔✔- common age-related vision disorder that results from the loss
of elasticity in the lens
- difficulty seeing things close up (far sighted)
What is glaucoma? - correct answer ✔✔buildup of fluid in the eye that causes pressure and damage to
the optic nerve
What are cataracts? - correct answer ✔✔The thickening of the lense of the eyes which causes the vision
to become cloudy
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