Abstract
Case history and voice data for 17 patients who presented with intermittent moments of breathy dysphonia (IBD) in contextual speech were analyzed. From recorded samples of vowel prolongation four variants of phonation were identified. Of 13 patients examined neurologically, 10 (77%) had positive neurologic signs. Psychiatric and physical illnesses were often associated with onset of the voice disorder. Sex ratio of the patients in this study was nearly the same as that for adductor spastic dysphonia. Age at onset was similar to that which has been described for "functional" voice disorders. Different therapies were generally ineffective in alleviating the disorder. Although not conclusive, patients presenting with IBD in connected speech may have an underlying neurologic or psychologic disorders.
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