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Related Concept Videos

Fatigue01:21

Fatigue

Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...

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Development of the Fatigue Interference and Severity Scale for Aphasia.

Ellyn A Riley1, Jennifer Fortin1, Hannah Rembrandt1

  • 1Aphasia Lab, Department of Communication Sciences and Disorders, Syracuse University, NY.

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|March 28, 2025
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Summary

Researchers developed the Fatigue Interference and Severity Scale for Aphasia (FISS-A) to accurately assess poststroke fatigue in individuals with aphasia. This accessible tool improves diagnosis and understanding of fatigue

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Area of Science:

  • Neurology
  • Speech and Language Pathology
  • Rehabilitation Science

Background:

  • Poststroke fatigue significantly impacts survivors' quality of life, cognition, and motor function.
  • Individuals with aphasia are often excluded from fatigue studies due to communication barriers, leading to underdiagnosis.
  • Existing fatigue assessment tools may not be suitable for individuals with aphasia.

Purpose of the Study:

  • To develop an aphasia-accessible tool for measuring poststroke fatigue, adapted from the Fatigue Severity Scale (FSS).
  • To create the Fatigue Interference and Severity Scale for Aphasia (FISS-A) to improve fatigue assessment in this population.

Main Methods:

  • A modified nominal group technique was employed, involving focus groups with individuals with aphasia and speech-language pathologists.
  • Feedback focused on adapting the FSS format, wording, administration, and response methods for better accessibility.
  • Key recommendations included simplifying language, enhancing visual elements, and allowing nonverbal responses.

Main Results:

  • The Fatigue Interference and Severity Scale for Aphasia (FISS-A) retains the FSS structure but incorporates modified language for clarity.
  • Visual aids, explicit provider instructions, and nonverbal response options were integrated.
  • An open-ended item and visual analog scales were added to capture comprehensive fatigue data.

Conclusions:

  • Accessible assessment tools are crucial for accurate clinical and research evaluations of poststroke fatigue.
  • The FISS-A offers a more inclusive method for assessing fatigue in individuals with aphasia.
  • Future research will focus on FISS-A validation and clinical integration.