answers rated A+ 2025/2026
The Language-Audition Link - correct answer ✔✔Hearing is a first-order event for the
development of spoken communication and literacy skills
-think of hearing as "auditory brain development" in infants and young children
-brain growth relies on acoustic input and accessibility of intelligible speech
*signal-to-noise ratio is vitally important
*critical period: birth to 3 years
Hearing is the velcro to which other skills (attention, spoken language, reading and academic
competencies) are attached
Normally developing fetus
-possess a functional auditory system
-20 weeks gestation auditory system completely developed
-capable of detection and gross discriminations
Normal Ear - correct answer ✔✔Capable of perceiving about 340,000 tones
-based only on frequency and intensity variations
Able to process signals within an intensity range of 130 dB
-range found in speech is only 40 dB
-vowels have more energy because of their low frequency
Duration of individual speech sounds
-30-300 ms (length/duration)
-vowels sounds last longer than consonants
-average 12 phonemes/sec
,Transitional Cues
-result from coarticlation of phonemes
On average males are louder than females because of the lower frequencies they speak at
Normal development of audition
-goes through the same stages for those with normal hearing as well as those with hearing
impairment
First listening year
Figure 4.1 - correct answer ✔✔speaker
message
auditory feedback
environment
receiver/listener
Listening Skills - correct answer ✔✔do not develop do not develop as quickly for the HI child
Young child requies repeated exposure to asign meaning to everyday sounds
parents reinforce motor skills, vocal sounds, etc. by smiling, cuddling, laughing, etc.
Infants' first year of life - correct answer ✔✔social, moror, and vocal responses to auditory
events are reinforced with cuddling, smiling or talking toe the infant
Key Elements to Auditory Development - correct answer ✔✔Detection
Discrimination
Identification
Comprehension
Detection - correct answer ✔✔1 to 3 months
, auditory awareness and attention
crying and cooing
First Three Months - correct answer ✔✔startled by sounds
makes two or mor edifferent sounds
-cooing and vegetative sounds
listens to music
parents response: establish nonverbal turn taking and reciprocity
begins coordination of audition and vision, searching behavior
Discrimination - correct answer ✔✔3 to 6 months
perceive differences in sound; same or different
auditory feedback loop
laughing, vocalizing
Three to Six Months - correct answer ✔✔auditory feedback: searches for sounds and begins to
"tune" in to conversations
laughs
babble and jargon (lost of vowels)
-makes four or more different sounds
limitations of actions
-intentionally follows initiation of behavior
Babies: Speech Babble - correct answer ✔✔reinforce the following:
-suprasegmentals: vary by duration, intensity, pitch
-vowels