Raj Shrivastav

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The purpose of this study was to: (1) define perceptual speech characteristics of idiopathic Parkinson disease (IPD) across 35 speech dimensions adapted from Darley et al. [19] and grouped under six speech-sign clusters (respiration, phonation, resonance, articulation, prosody and rate); (2) examine the effects of levodopa on the 35 perceptual speech(More)
A means to monitor the characteristics of the action potential can help clinicians determine if the heart is in an ischemic state, a condition in which the blood supply to the heart is obstructed. The precise delineation of the ischemic border zone may be important for identifying where to best deliver a therapeutic intervention (i.e., pharmacological(More)
During voice evaluation and treatment it is customary for clinicians to elicit samples of the vowel /a/ from clients using various elicitation techniques. The purpose of this study was to compare the effects of four commonly used stimulation tasks on the laryngeal mechanism. Eleven female singing students, studying at a university music school, served as(More)
An 82-year-old female patient was admitted for replacement of her pulse generator battery which had reached an end-of-life situation. The old unipolar leads were retained. Pectoral muscle stimulation began shortly after implantation. Though complete abolition of muscle stimulation was not achieved, an insulating patch placed between the muscle and the(More)
Variation in duration and frequency during three readings of each of eight sentences by 9 normal and 4 voice-disordered subjects are compared. Instructions to the subjects varied with respect to the amount and type of cognitive cueing presented in the trials, and the sentences were read in random order. Variability in fundamental frequency (F0) was greater(More)
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