Speech perecption

Question 1

What is the purpose of speech perception?

Answer 1

To know and find meaning in what people are saying,

Question 2

We must discriminate and recognize ____ and _____ features in speech perception.

Answer 2

Acoustic, phonetic.

Question 3

4 major parts of the ear?

Answer 3

Outer, Middle, Inner, Neural Pathway

Question 4

How does sound get converted?

Answer 4

From acoustic energy to mechanical energy.

Question 5

Which part of the ear vibrates to kickstart mechanical energy?

Answer 5

The tympanic membrane

Question 6

What are the 3 parts of the malleus?

Answer 6

head,
neck,
manubrium

Question 7

What are the 3 parts of the incus?

Answer 7

body,
short crus,
long crus

Question 8

5 parts of the stapes?

Answer 8

head
neck
base
ant crus
post crus

Question 9

Function of tensor tympani?

Answer 9

opens eustachian tube, allowing equalization of pressure in the tympanic cavity

Question 10

Function of stapedius?

Answer 10

prevents excessive oscillations of the stapes

Question 11

Innervation of tensor tympani?

Answer 11

CN V

Question 12

Innervation of stapedius?

Answer 12

CN VII

Question 13

Acoustic/Stapedial Reflex?

Answer 13

Stapedius muscle applies a force to footplate of stapes, reducing amplitude of footplate’s movement, reducing sound pressure level reaching cochlea

Question 14

Is acoustic reflex uni or bilateral?

Answer 14

bilateral

Question 15

Intensity level that triggers acoustic reflex?

Answer 15

85dB SPL or more.

Question 16

Describe frequencies for back vowels.

Answer 16

F1 and F2 are close in frequency
Brain perceives average of 1 & 2, + F3

Question 17

Describe frequencies for front vowels.

Answer 17

F2 and F3 are close
Brain perceives F1 and average of 2 & 3

Question 18

Describe the perception of consonants.

Answer 18

Greater variety
More rapid movements
Acoustic cues are more complex

Question 19

Harder to distinguish _______ sounds than sounds at each end of phonetic boundary.

Answer 19

-Adjacent

Question 20

Give an example of adjacent sounds.

Answer 20

/k/ /ki/ /ku/
/gu/ /gi//g/

Question 21

What is coarticulation?

Answer 21

When the mouth shape prepares for the following sounds.

Can occur within 1 word or across multiple words depending on the rate of the speech

Example: Rounding lips in tulip, versus ticket for the /t/ phoneme, anticipating the following vowels