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The Role Of Auditory Feedback For Speech Intensity Regulation In Parkinson’S Disease, Dona Abeyesekera
The Role Of Auditory Feedback For Speech Intensity Regulation In Parkinson’S Disease, Dona Abeyesekera
Electronic Thesis and Dissertation Repository
Hypophonia (low speech intensity) has been found to be the most common speech symptom experienced by individuals with Parkinson’s disease (PD). Previous research suggests that, in the PD population, there may be abnormal integration of sensory information for motor production of speech intensity. In the current study, auditory feedback was systematically manipulated during sensorimotor conditions that are known to modulate speech intensity in everyday contexts. Twenty-six individuals with PD and twenty-four neurologically healthy controls were asked to complete the following tasks: converse with the experimenter with varying distances between the participant and listener (near and far distances), vowel prolongation, read …