Comprehension of prosody in Parkinson's disease. Lloyd, A. J. Cortex, 35(3):389-402, 1999.
abstract   bibtex   
The evidence for a receptive prosodic loss in Parkinson's disease (PD) has remained inconclusive since the first reports in the early 1980s (Scott, Caird and Williams, 1984). The present study examined three aspects of comprehension in 11 PD patients and a group of age matched controls. Experiment 1 found no evidence of deficits in phonological discrimination or lexical access in the PD patients. Experiment 2 found that one patient (EA) was significantly impaired on a test of lexical stress discrimination. Experiment 3 examined the discrimination, comprehension and identification of utterance prosody. This experiment found that overall the PD patients were significantly impaired at the identification of utterance prosody. Patient TB was significantly worse than controls on the identification and comprehension of utterance prosody. The study has shown that PD patients can exhibit impairments in the comprehension of prosody and lexical stress. The evidence suggests that only some patients are impaired and the pattern of deficits can differ significantly.
@Article{Lloyd1999,
  author   = {A. J. Lloyd},
  journal  = {Cortex},
  title    = {Comprehension of prosody in {P}arkinson's disease.},
  year     = {1999},
  number   = {3},
  pages    = {389-402},
  volume   = {35},
  abstract = {The evidence for a receptive prosodic loss in Parkinson's disease
	(PD) has remained inconclusive since the first reports in the early
	1980s (Scott, Caird and Williams, 1984). The present study examined
	three aspects of comprehension in 11 PD patients and a group of age
	matched controls. Experiment 1 found no evidence of deficits in phonological
	discrimination or lexical access in the PD patients. Experiment 2
	found that one patient (EA) was significantly impaired on a test
	of lexical stress discrimination. Experiment 3 examined the discrimination,
	comprehension and identification of utterance prosody. This experiment
	found that overall the PD patients were significantly impaired at
	the identification of utterance prosody. Patient TB was significantly
	worse than controls on the identification and comprehension of utterance
	prosody. The study has shown that PD patients can exhibit impairments
	in the comprehension of prosody and lexical stress. The evidence
	suggests that only some patients are impaired and the pattern of
	deficits can differ significantly.},
  keywords = {80 and over, Aged, Attention, Auditory Perceptual Disorders, Basal Ganglia, Cerebral Cortex, Female, Humans, Male, Middle Aged, Neuropsychological Tests, Parkinson Disease, Phonetics, Reference Values, Semantics, Speech Perception, 10440076},
}

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