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. 2017 Jun 1;7:2674. doi: 10.1038/s41598-017-02682-4

Table 2.

Valuable linguistic and cognitive features.

Type Features Description Utterance example
Linguistic profile Standard Dysfluency Filled pauses Words or vocalizations that fill in a pause, e.g., um, ah, oh. She is uh a very uh lovely girl.
Total number of Repetitions The exact duplication of a linguistic unit of any length, from a word to an entire clause with no other utterances besides fillers (such as “um” or “uh” allowed in between
Repetition (word) Number of repetitions of single words (He) He is John.
Repetition (phrase) Number of repetitions at the phrase level (He is) He is John.
Complexity and dysfluency pattern Number of utterances Number of all the spoken statements, questions, exclamations, or vocal sound. An utterance is any independent clause and any dependent clauses or phrases associated with it. What is his name? I don’t know! He is John.
Number of statements Number of all the statements (utterances ending with “.”) He is John.
Number of questions Number of all the questions (utterances ending with “?”) What is his name?
Mean length of utterances Average number of morphemes per utterance
One-word utterance Number of utterances, which their length is equal to 1. Yes.
Number of repeated words Total number of words occurring in a dysfluency.
Repeated words Percentage Rate of the repeated words per all words produced by speaker.
Short utterances Utterances with less than 5 morphemes
Medium utterances Utterances with 6 to 10 morphemes
Average repetitions per utterance Average number of repetitions occurred per utterances
Cognitive profile Self-monitoring The Self-Monitor scale from BRIEF-A assesses aspects of social or interpersonal awareness. It captures the degree to which an individual perceives himself as aware of the effect that his or her behavior has on others.
Organization of material The Organization of Materials scale from BRIEF-A measures orderliness of work, living, and storage spaces.
Working memory The capacity to hold information in mind for the purpose of completing a task, encoding information, or generating goals, plans, and sequential steps to achieving goals.

Description of dysfluency features are defined as previously11 and cognitive features are defined as previously32. See Fig. 2 for information gain values.