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Electrotactile Frequency, Amplitude, and Temporal Gap Discrimination in Young Adults, Older Adults, and Stroke Survivors

NCT07656675 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 80

Last updated 2026-06-18

No results posted yet for this study

Summary

The purpose of this study is to evaluate and compare sensory discrimination ability for electrotactile stimulation among young adults, older adults, and patients with stroke. Participants will receive non-invasive electrotactile stimulation through electrodes attached to the skin of the upper limb, such as the fingertip, palm, elbow, or shoulder, depending on the stimulation condition. The study will assess discrimination thresholds for changes in stimulation frequency, stimulation amplitude, and temporal gaps in stimulation, together with task accuracy and reaction time. The results are expected to provide foundational data for sensory assessment, electrotactile feedback design, and sensory-based rehabilitation technologies for older adults and stroke patients.

Conditions

Interventions

BEHAVIORAL

Electrotactile Sensory Discrimination Tasks

Participants will receive non-invasive electrotactile stimulation through surface electrodes attached to the upper limb, such as the fingertip, palm, elbow, or shoulder, depending on the stimulation condition. Participants will perform sensory discrimination tasks to assess their ability to discriminate changes in stimulation frequency, stimulation amplitude, and temporal gaps in stimulation. Stimulation intensity will be individualized based on each participant's perception threshold and discomfort threshold and will remain below the discomfort threshold throughout the experiment. Task performance, including just noticeable difference, task accuracy, and reaction time, will be recorded.

Sponsors & Collaborators

  • Sungkyunkwan University

    lead OTHER

Principal Investigators

  • Hangue Park, PhD · Sungkyunkwan University

Study Design

Allocation
NON_RANDOMIZED
Purpose
OTHER
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
19 Years
Max Age
70 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-06-11
Primary Completion
2027-06-11
Completion
2028-04-30

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07656675 on ClinicalTrials.gov