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A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis (ALS)

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Published on: February 21, 2011

Articulatory agility in cognitive decline.

Per Ostberg¹, Nenad Bogdanović, Lars-Olof Wahlund

¹Division of Clinical Geriatrics, Department of Neurobiology, Caring Sciences and Society, Karolinska Institutet, Stockholm, Sweden. per.ostberg@neuro.uu.se

Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)

|August 22, 2009

Summary

Motor speech function, measured by sequential speech motion rate, is often reduced in Alzheimer's disease (AD) and related dementias. This study provides crucial data on motor speech performance in cognitive decline.

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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

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Published on: July 16, 2015

Area of Science:

Neurology
Speech-Language Pathology

Background:

Motor speech disorders are considered rare in early Alzheimer's disease (AD).
Limited data exists on maximum performance tests of motor speech function in AD and related conditions.

Purpose of the Study:

To provide data on motor speech function in patients with Alzheimer's disease and related disorders.
To analyze sequential speech motion rate across different cognitive functioning levels.

Main Methods:

Analyzed sequential speech motion rate in 236 memory clinic patients.
Included patients with varying degrees of cognitive impairment.

Main Results:

Sequential speech motion rate was significantly decreased in mild dementia due to AD.
Approximately 10% of Alzheimer's disease and mild cognitive impairment cases showed markedly reduced rates.
Progressive nonfluent aphasia showed strongly reduced rates, while semantic dementia did not differ from subjective cognitive impairment. Frontotemporal dementia had lower rates than AD.

Conclusions:

A subset of patients with cognitive decline exhibits markedly reduced articulatory agility.
The etiology of reduced articulatory agility in some mild cognitive impairment and mild AD patients remains undetermined.
Semantic dementia is not associated with impaired articulatory agility.