Intermittent stimulation delays adaptation to electrocutaneous sensory feedback

    Research output: Contribution to journalArticleAcademicpeer-review

    23 Citations (Scopus)

    Abstract

    Electrotactile displays deliver information to the user by means of electrocutaneous stimulation. If such displays are used in prostheses, the functionality depends on long term stability of this information channel. The perceived sensation, however, decays within 15 min due to central adaptation if the stimulation is applied continuously and at constant strength. In this study, the effects of stimulus amplitude and intermittent stimulation on adaptation were investigated in ten healthy subjects. The perceived sensation was recorded during 15 min of constant stimulation using a visual analog scale (VAS). The sensation level with time thus measured were parameterized by the initial sensation level, the time constant of decay and the end sensation level after fitting of an exponential function through the VAS data. The time constant increased significantly when applying a high stimulation level (at 80% of the range between sensation and pain thresholds) if compared with lower levels of stimulation (20% and 50%) during continuous stimulation. Intermittent stimulation at this high stimulation level significantly increased end sensation level.
    Original languageEnglish
    Pages (from-to)435-441
    Number of pages7
    JournalIEEE transactions on neural systems and rehabilitation engineering
    Volume15
    DOIs
    Publication statusPublished - Sep 2007

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    Sensory feedback
    Sensory Feedback
    Display devices
    Exponential functions
    Prosthetics
    Visual Analog Scale
    Data Display
    Pain Threshold
    Prostheses and Implants
    Healthy Volunteers

    Keywords

    • BSS-Central mechanisms underlying chronic pain

    Cite this

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    title = "Intermittent stimulation delays adaptation to electrocutaneous sensory feedback",
    abstract = "Electrotactile displays deliver information to the user by means of electrocutaneous stimulation. If such displays are used in prostheses, the functionality depends on long term stability of this information channel. The perceived sensation, however, decays within 15 min due to central adaptation if the stimulation is applied continuously and at constant strength. In this study, the effects of stimulus amplitude and intermittent stimulation on adaptation were investigated in ten healthy subjects. The perceived sensation was recorded during 15 min of constant stimulation using a visual analog scale (VAS). The sensation level with time thus measured were parameterized by the initial sensation level, the time constant of decay and the end sensation level after fitting of an exponential function through the VAS data. The time constant increased significantly when applying a high stimulation level (at 80{\%} of the range between sensation and pain thresholds) if compared with lower levels of stimulation (20{\%} and 50{\%}) during continuous stimulation. Intermittent stimulation at this high stimulation level significantly increased end sensation level.",
    keywords = "BSS-Central mechanisms underlying chronic pain",
    author = "Buma, {Dorindo G.} and Buitenweg, {Jan R.} and Veltink, {Peter H.}",
    year = "2007",
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    language = "English",
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    journal = "IEEE transactions on neural systems and rehabilitation engineering",
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    Intermittent stimulation delays adaptation to electrocutaneous sensory feedback. / Buma, Dorindo G.; Buitenweg, Jan R.; Veltink, Peter H.

    In: IEEE transactions on neural systems and rehabilitation engineering, Vol. 15, 09.2007, p. 435-441.

    Research output: Contribution to journalArticleAcademicpeer-review

    TY - JOUR

    T1 - Intermittent stimulation delays adaptation to electrocutaneous sensory feedback

    AU - Buma, Dorindo G.

    AU - Buitenweg, Jan R.

    AU - Veltink, Peter H.

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    N2 - Electrotactile displays deliver information to the user by means of electrocutaneous stimulation. If such displays are used in prostheses, the functionality depends on long term stability of this information channel. The perceived sensation, however, decays within 15 min due to central adaptation if the stimulation is applied continuously and at constant strength. In this study, the effects of stimulus amplitude and intermittent stimulation on adaptation were investigated in ten healthy subjects. The perceived sensation was recorded during 15 min of constant stimulation using a visual analog scale (VAS). The sensation level with time thus measured were parameterized by the initial sensation level, the time constant of decay and the end sensation level after fitting of an exponential function through the VAS data. The time constant increased significantly when applying a high stimulation level (at 80% of the range between sensation and pain thresholds) if compared with lower levels of stimulation (20% and 50%) during continuous stimulation. Intermittent stimulation at this high stimulation level significantly increased end sensation level.

    AB - Electrotactile displays deliver information to the user by means of electrocutaneous stimulation. If such displays are used in prostheses, the functionality depends on long term stability of this information channel. The perceived sensation, however, decays within 15 min due to central adaptation if the stimulation is applied continuously and at constant strength. In this study, the effects of stimulus amplitude and intermittent stimulation on adaptation were investigated in ten healthy subjects. The perceived sensation was recorded during 15 min of constant stimulation using a visual analog scale (VAS). The sensation level with time thus measured were parameterized by the initial sensation level, the time constant of decay and the end sensation level after fitting of an exponential function through the VAS data. The time constant increased significantly when applying a high stimulation level (at 80% of the range between sensation and pain thresholds) if compared with lower levels of stimulation (20% and 50%) during continuous stimulation. Intermittent stimulation at this high stimulation level significantly increased end sensation level.

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