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Peter T. Fox, MD; Jack L. Lancaster, PhD
The University of Texas Health Science Center at San Antonio Research Imaging Center 7703 Floyd Curl Dr San Antonio, TX 78284-6240

Roger J. Ingham, PhD
Department of Speech and Hearing Sciences University of California, Santa Barbara Snidecor Hall Santa Barbara, CA 93106

Arch Neurol. 1993;50(12):1287-1288.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Pool et al¹ recently reported on regional cerebral blood flow (rCBF) data from single-photon emission computed tomography conducted with 20 adult stutterers and 78 age-matched control subjects. From their analyses of rCBF values in 20 regions of interest (ROIs), using one tomographic section per subject, these researchers concluded that they had obtained "preliminary evidence for cortical dysfunction in stutterers related to reduced and asymmetric left frontal and temporal perfusion." These are very provocative findings with respect to the diagnosis and, perhaps, treatment of this disorder; they have already prompted one derivative investigation² and an inquiry about the researchers' methodology.³ We also have some inquiries; they concern interpretation and validity of the findings of Pool and colleagues. We believe that their response might also help clarify the importance of their findings.

By far, the most significant finding of the study by Pool et al is that brain blood . . . [Full Text PDF of this Article]

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