Attention, fluency, and phonological memory connect differently in adults who stutter versus those with ADHD or no condition. In stuttering, attention and phonological memory are not linked the same way, but fluency and phonological memory are more tightly connected. The formal test was not significant.
The pattern of connections among attention, speech fluency, and phonological working memory differed visually between the three groups, supporting the hypothesis that these features are organised differently in stuttering versus ADHD versus typical development.
In neurotypical adults and in adults with ADHD, poorer attention was associated with lower phonological working memory performance (correlations of −0.34 and −0.25 respectively), but in adults who stutter this attention–phonological-memory link was essentially absent (correlation of 0.12), while the link between stuttering severity and phonological memory was stronger (correlation of −0.21).
Formal network comparison tests found no statistically significant differences in edge weights or node centrality between any of the three groups, and the authors note this may reflect limited power with only three nodes and an unbalanced sample.
Single-blind randomized controlled trial. Sixty-four participants were randomized across two intervention arms and assessed at twelve weeks for the primary outcome…
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