Purpose Motor speech abnormalities are highly common and debilitating in individuals with
idiopathic Parkinson's disease (IPD). These abnormalities, collectively termed hypokinetic …

This review looks at the nature and impact of communication changes in Parkinson's
disease, approaches to assessment and directions for intervention. This is especially …

ABSTRACT Background Dysarthric symptoms in Parkinson's disease (PD) vary greatly
across cohorts. Abundant research suggests that such heterogeneity could reflect subject …

BACKGROUND: Verbal fluency relies on the coordinated activity between left frontal and
temporal areas. Patients with Parkinson's disease (PD) present phonemic and semantic …

There is now an extensive empirical literature on the nature and extent of pragmatic
disorders in a range of clinical populations. This chapter attempts to organize the findings of …

Motor impairments are only one aspect of Parkinson's disease (PD), which also include
cognitive and linguistic impairments. Speech-derived interpretable biomarkers may help …

It has long been recognized that lesions of the basal ganglia frequently result in dysarthria,
in part because many individuals with Parkinson's disease (PD) have impaired speech …

Purpose The authors investigated how different variants of clear speech affect segmental
and suprasegmental acoustic measures of speech in speakers with Parkinson's disease and …

To understand the neural basis of human speech control, extensive research has been done
using a variety of methodologies in a range of experimental models. Nevertheless, several …

Dopamine, the main catecholamine neurotransmitter in the brain, is predominately produced
in the basal ganglia and released to various brain regions including the frontal cortex …