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Other disruptions to fluency. (A) False starts. (B) Filled pauses. (C) Repaired sequences. (D) Incomplete sentences. (E) Voxel-based morphometry showing brain regions where atrophy was correlated with increased numbers of false starts (red), increased numbers of filled pauses (blue) and increased numbers of repaired sequences (green). phw = per hundred words; NFV = non-fluent variant; SV = semantic variant; LV = logopenic variant; NC = normal controls.
