To the Editor.
——Pool et al1 state that "Stuttering is a neurogenic disorder involving recognized cortical regions of speech-motor control." These authors have earlier made substantial contributions to the literature on stuttering. However, we have major reservations regarding their current article and respectfully ask that they clarify several issues.They select 78 age-matched control subjects from an earlier control group, consisting of 97 subjects.2 That initial study compared absolute regional cerebral blood flow values for homologous regions of interest (ROIs) and observed that flow values were significantly greater in the right than in the left hemisphere, for "temporal,
Viswanath NS, Rosenfield DB, Nudelman HB. Stutterers and Cerebral Blood Flow. Arch Neurol. 1992;49(4):346–347. doi:10.1001/archneur.1992.00530280026010