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Design, Fabrication, and Administration of the Hand Active Sensation Test (HASTe)
Published on: September 8, 2015
Development of the Hand Active Sensation Test: reliability and validity.
Petra S Williams1, D Michele Basso, Jane Case-Smith
1School of Physical Therapy, Ohio University, Athens, OH, USA.
Archives of Physical Medicine and Rehabilitation
|November 7, 2006
Summary
The Hand Active Sensation Test (HASTe) reliably measures hand haptic perception. This new tool accurately detects sensory deficits in stroke survivors, offering valuable clinical data.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
- Biomedical Engineering
Background:
- Haptic perception is crucial for hand function.
- Quantitative measures are needed to assess haptic deficits, particularly after stroke.
Purpose of the Study:
- To develop and validate the Hand Active Sensation Test (HASTe) as a quantitative measure of hand haptic perception.
- To establish the reliability and validity of the HASTe.
Main Methods:
- The HASTe involves manipulating objects varying in weight or texture.
- Reliability was assessed via test-retest sessions.
- Validity was examined using discriminant analysis, concurrent validity with 2-point discrimination and wrist position tests, and ROC curve analysis.
Main Results:
- The HASTe demonstrated strong test-retest reliability (ICC = .77).
- HASTe scores significantly discriminated between stroke survivors and controls (P < .001).
- The HASTe correlated significantly with 2-point discrimination (r = -.67) and wrist position sense (r = -.60). ROC analysis showed high accuracy (AUC = .94).
Conclusions:
- The HASTe is a reliable and valid tool for assessing hand haptic perception.
- It can detect subtle sensory impairments in stroke survivors.
- The HASTe provides valuable quantitative data on complex sensory loss and hand function post-stroke.
