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49 Cards in this Set

  • Front
  • Back
What did we focus on?
1.) speech sound production (errors) in young typically developing children
2.) speech sound production (errors) in children with speech sound disorders
what did we see about the speech sound production (errors) of children with speech sound disorders?
-errors are often the same made as that by the typically developing child except they are more frequent and persist at an older age.

-sometimes unusual examples are seen,
for example initial consonant deletion
what does knowledge of errors help with?
assessment and intervention
true or false can disorder speech be found in adults?
True.
what are some examples?

>stroke (dysarthia)
>brain injury
Speech sound errors described?
one of two ways
-SODA
-phonological processes
SODA
S= substitution
O=omission
D= distortion
A=addition
example of subsitution
e.g., [ti] for “key”
example of omission
e.g., [kʌ] for “cup”),
example of distortion
e.g., lisped s in “sun
example of addition
e.g., [ɛskul] for “school”)
Phonological Processes
-used when child makes several errors that appear to be systematic

-describes errors made
example: final consonant deletion
Phonological Processes are
patterns of sound errors that represent systematic simplification of adult structure
3 kinds of processes
1. syllable structure processes
2. substitution processes
3. assimilatory processes
syllable structure process
• Simplifies syllable structures, typically into CV or CVCV sequences, e.g., /bid/ becomes [bi]
substitution process
• One phoneme/segment is replaced for another, e.g., /ki/ becomes [ti] (syllable structure does not change)
Assimalatory Process
• Surrounding phonetic context changes the phoneme, e.g., /dag/ becomes [gag]
• Recall regressive and progressive assimilation from connected speech
4 types of syllable structure processes
1. weak or unstressed syllable deletion
2. final consonant deletion
3. reduplication
4. cluster reduction
weak or unstressed syllable deletion
unstressed syllable omitted
e.g., [nænə] for “banana”
final consonant deletion
Open syllables are produced, e.g., [pI] for “pig”
reduplication
Repetition of syllable typically on two-syllable (or more) words, e.g., [baba] for “bottle”
cluster reduction
deletion of consonant from a cluster
e.g., [paI] for “spy”
6 substitution processes
1. Stopping
2. Fronting
3. Deaffrication
4. Gliding
5. Vocalization (vowelization)
6. Derhotacization
stopping
Substitution of a stop for a fricative/affricate E.g., [tʌn] for “sun”,
>Place and voicing of target consonant is usually preserved. If no homorganic stop is available, stop with the closest place of articulation is substituted
E.g., [tʌn] for “sun”, [tip] for “sheep”, [dip] for “jeep”, [pIg] for “fig”
• Which examples are not homorganic?
Tip and sheep and dip for jeep
homorganic
articulated in the same place
fronting
Substitute velar (velar fronting) and palatal (palatal fronting) consonants typically with alveolar consonants
>Voicing and manner are typically preserved
k, g, ŋ  t, d, n respectively; ʃ, ʒ  s, z; and ʧ, ʤ  ts, dz (voiceless and voiced alveolar affricates, non-English affricates)
example of fronting
Examples: [tʌp] for “cup”, [su] for “shoe”
• Note that fricatives are merely fronted, not stopped
Deaffrication
>Child substitutes a fricative for an affricate
>Typically, place of articulation is preserved.
ʧ, ʤ  ʃ, ʒ
Example: [ʃip] for “cheap”
Gliding
Child substitutes glides for liquids
w, j for l, r
Examples: [wɛd] for “red”, “[jæmp] for “lamp”
vocalization is also called?
vowelization
Vocalization (vowelization)
>Vowels are substituted for schwars, postvocalic r, l, and syllabic l
>Typically, u, ɔ, o, are substituted
Examples: [bʌſo] for “butter”, [mIʊk] for “milk”
more about vocalization
If r-coloring is lost but no new vowel is substituted, e.g., [mʌðə] for “mother”, this is not vocalization, this is referred to as Derhotacization.
If [l] is lost in syllabic [l], e.g., [kʌſə] for “cuddle”, this is called Final Consonant Deletion.
Assimalatory is also called?
Harmony
Assimalatory Process
1. Direction
2. Place Assimilation
3. Voicing Assimilation
Direction
Progressive and Regressive assimilation
Place Assimilation
a. Labial Assimilation
b. Alveolar Assimilation
c. Velar Assimilation
Voicing Assimilation
(Most people classify these as substitution processes)
a. Prevocalic Voicing
b. Postvocalic Devoicing
Regressive Assimilation
>Change propagates backward
>Sound 1 is different because of sound 2, e.g., “quick” (labial /k/), “dog” - /gɔg/
>We start doing something early
>More common than progressive assimilation
Progressive Assimilation
>Change propagates forward
>Sound 2 is different because of Sound 1, e.g., “missed” /mIst/ vs “loved” /lʌvd/ (past tense, plurals, etc. - morphophonemics)
>We continue doing something
>Occurs less frequently than regressive assimilation
Labial Assimilation
Non-labial consonant changes to labial because of another labial consonant in the word, e.g., [bʊp] for “book” (progressive labial assimilation)
Alveolar Assimilation
Non-alveolar consonant changes to alveolar because of another alveolar consonant in the word, e.g., [sʌt] for “shut” (regressive alveolar assimilation)
Velar Assimilation
Non-velar consonant changes to velar because of another velar consonant in the word, e.g., [gɔg] for “dog” (regressive velar assimilation)
which of these place assimilations is most common??
Velar Assimilation
Prevocalic Voicing
Prevocalic Voicing (For stops, recall it is not prevocalic voicing, instead it is lack of aspiration!)
• Initial voiceless consonant becomes voiced due to following vowel, e.g., [bIg] for “pig”, [zu] for “Sue” (better example)
Postvocalic Voicing
(For stops, child is not using preceding vowel length appropriately)
• Final voiced consonant becomes voiceless due to following silence, e.g., [pIk] for “pig”, [kloʊs] for “close” (better example)
Is this progressive or regressive assimilation?
Assimilation vs. Substitution
Assimilation may be confused with substitution
E.g., [bʊp] for “book”
• Is this assimilation or fronting?
Look to see if another consonant in the word influenced its production. If it is obviously due to another consonant, then it is more likely assimilation rather than substitution
Look at child’s production of the consonant in words that have a different phonetic environment (if available). If the same error is produced in a different environment, then it is more likely substitution rather than assimilation, e.g., ______________________
so how should you look in a client to see if it is assimilation or substitution??
>look at other samples from the child. if the same error produced in a different phonemic enviroment then it is probably substitution
Interaction of processes
More than one process can occur on the same word in young children’s speech and in the speech of children with speech sound disorders.
Example: “bi” for “pig” demonstrates both final consonant deletion and prevocalic voicing.
How about [wIſo] for “little”?
vowelization and gliding
Disordered (or Idiosyncratic) Phonological Processes
Typically developing children also show these processes but not as frequently
1. Glottal Replacement
• A glottal stop is substituted for another consonant, e.g., [æʔə] for “apple”
2. Backing
• Velar consonants are substituted for anterior consonants, e.g., [ki] for “ti”
3. Initial Consonant Deletion, e.g., [i] for “bee”
4. Stops replacing a glide, e.g., [dɛs] for “yes”
5. Fricatives replacing a stop, e.g., [su] for “two”
look at last part of notes look up IPA symbols
look page
dentalization pg. 240
lateralization pg.252
nasalization pg. 244
voicing and devoicing pg.245-
deaspiration pg. 243