Quality of Life and other
Treatment Effects
Across the lifespan
Social and Psychological
Neurogenetics and Brain
100

Individuals who stutter say about one-third fewer words in a given time.

How does stuttering impact verbal output?

100

What is the adaption effect?

Stuttering decreases after five readings of the same passage.

100

Median onset occurs at 30–33 months of age.

At what age does stuttering typically onset?

100

Negative teacher attitudes reinforce stigma and lower self-esteem

How do teachers' attitudes contribute to stigma?

100

Studies show genetic linkage and familial incidence of stuttering.

What genetic evidence supports stuttering as a heritable condition?

200

70% of individuals who stutter report it has hindered promotion.

How does stuttering affect occupational advancement?

200

Stuttering occurs on the same words during repeated readings.

What is the consistency effect?

200

Stuttering severity tends to worsen without treatment after preschool years.

How does stuttering severity progress after preschool years?

200

What strategies can reduce stigma surrounding stuttering?

Educating the public about stuttering to dispel myths and reduce stigma.

200

Unusual right-sided activity in speech areas and reduced white matter connectivity.

How does the brain structure of individuals who stutter differ from non-stuttering individuals?

300

Saying "um" before a difficult word.

Provide an example of an escape behavior.

300

Adults stutter more on content words, while children stutter on function words.

How does stuttering manifest differently in content vs. function words?

300

Severe stuttering correlates with lower educational attainment.

What is the relationship between stuttering severity and educational achievement?

300

Name two common feelings experienced by individuals who stutter

Embarrassment and frustration.

300

It connects speech motor areas, which show reduced integrity in stuttering.

What is the role of the arcuate fasciculus in stuttering?

400

They develop as learned responses to stuttering or anticipation.

What causes secondary behaviors to develop?

400

Therapy enhances communication confidence, improving employability

How does speech therapy improve occupational outcomes?

400

Women stutter less often than men, and their recovery rates are higher.

Why are women less likely to stutter than men?

400

Avoiding social situations to reduce speaking.

How does social anxiety manifest in individuals who stutter?

400

Approximately 3:1 to 5:1.

What is the male-to-female ratio for persistent stuttering?

500

Fixed postures with audible airflow involve sound production; without audible airflow means silence.

How do fixed postures with and without audible airflow differ?

500

Brain anomalies must combine with environmental or emotional factors.

Why are brain anomalies alone insufficient to explain stuttering?

500

Around 65–88% of preschool children recover naturally over time.

What percentage of preschool children recover naturally from stuttering?

500

Stuttering occurs on words surrounding removed words when reading a passage.

What is the adjacency effect?

500

About 10%.

What percentage of people report stuttering at some point in their lives?