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Eye-Tracking Control to Assess Cognitive Functions in Patients with Amyotrophic Lateral Sclerosis
Published on: October 13, 2016
A rapid screening battery to identify frontal dysfunction in patients with ALS
Claire Flaherty-Craig1, Paul Eslinger, Beth Stephens
1Department of Neurology, Penn State College of Medicine, Penn State Hershey Medical Center, Hershey, PA 17033, USA.
Neurology
|December 13, 2006
Summary
Cognitive screening in Amyotrophic Lateral Sclerosis (ALS) reveals significant deficits in verbal fluency and reasoning, particularly in bulbar-onset cases. These findings impact crucial patient discussions regarding treatment and end-of-life care.
Area of Science:
- Neurology
- Cognitive Neuroscience
- Speech and Language Pathology
Background:
- Amyotrophic Lateral Sclerosis (ALS) is a progressive neurodegenerative disease affecting motor neurons.
- Cognitive impairments, including deficits in executive functions, are increasingly recognized in ALS patients.
- Understanding these cognitive changes is crucial for patient care and communication.
Purpose of the Study:
- To investigate the relationship between verbal associative fluency, verbal abstract reasoning, and judgment in ALS patients.
- To assess the prevalence of cognitive deficits in different ALS onset types (limb-onset vs. bulbar-onset).
- To evaluate the utility of a brief screening tool for identifying these cognitive impairments.
Main Methods:
- A 20-minute screening evaluation was administered to ALS patients.
- The evaluation assessed verbal associative fluency, verbal abstract reasoning, and judgment.
- Patients were categorized based on disease onset: limb-onset ALS and bulbar-onset ALS.
Main Results:
- Cognitive deficits were identified in a notable percentage of ALS patients.
- Limb-onset ALS patients showed deficiencies in verbal associative fluency (20.0%), verbal abstract reasoning (18.6%), and judgment (35.7%).
- Bulbar-onset ALS patients exhibited higher rates of deficiencies: verbal associative fluency (37.5%), verbal abstract reasoning (25.0%), and judgment (60.0%).
Conclusions:
- A simple 20-minute screening can effectively identify cognitive deficits in ALS.
- Bulbar-onset ALS patients appear more susceptible to these specific cognitive impairments.
- Early identification of these deficits is vital for facilitating informed discussions on treatment interventions and end-of-life planning.
