Human ability to discriminate various parameters in afferent electrical nerve stimulation with particular reference to prostheses sensory feedback

Anani, Adi; Ikeda, Kazue; Körner, L

doi:10.1007/bf02457988

Cited by 65 publications

(37 citation statements)

References 11 publications

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“…Intrafascicular electrode arrays, such as the USEA, should be capable of selectively activating multiple, independent subsets of sensory fibers, just as they can for motor fibers. Motor and sensory nerves remain functional long after limb amputation, and stimulation of sensory fibers can elicit sensation (Anani et al 1977;Dhillon et al 2004;Dhillon and Horch 2005;Rossini et al 2010;Warwick 2005). Hence, it may be possible to stimulate sensory fibers through USEAs and thereby evoke graded and varied sensory responses, including proprioception and pressure, to aid in gripping and reaching tasks.…”

Section: Stimulation Of Sensory Fibersmentioning

confidence: 99%

Intrafascicular stimulation of monkey arm nerves evokes coordinated grasp and sensory responses

Ledbetter

Éthier

Oby

et al. 2013

Journal of Neurophysiology

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Section: Stimulation Of Sensory Fibersmentioning

confidence: 99%

Intrafascicular stimulation of monkey arm nerves evokes coordinated grasp and sensory responses

Ledbetter

Éthier

Oby

et al. 2013

Journal of Neurophysiology

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“…A predefined word list was provided for each question, and the subject was asked to choose the one or more words that best described the sensation. The predefined words were selected based on those words previously reported in the literature [2,6,[17][18] as well as in our pilot experiments. To minimize unreliable measures, we instructed the subjects in the meaning of the words before the experiments.…”

Section: Evaluation Of Evoked Sensationsmentioning

confidence: 99%

“…In addition, tingling, itch and movement were observed in the pilot experiment and, thus, also included in the answer list. Different sets of words have been used to describe electrical stimulation elicited sensations in earlier work (e.g., [2,6,[17][18]). A subset of words was selected not only to eliminate redundancy but also to avoid attention and/or distraction arising from a long answer list, which may introduce bias during psychophysical tests [22].…”

Section: On Assessment Of Perceived Sensationsmentioning

confidence: 99%

Evaluation of sensation evoked by electrocutaneous stimulation on forearm in nondisabled subjects

Geng¹,

Yoshida²,

Petrini³

et al. 2012

JRRD

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Abstract-Few studies are available in the literature on the sensations artificially created by dual-channel electrocutaneous stimulation. This study assessed the effect of a set of selected stimulation parameters on the sensations evoked by single-or dual-channel electrocutaneous stimulation. The investigated parameters included the stimulation site, the number of pulses, the number of stimulating channels (single-vs dual-channel), and the interleaved time between two channels. The modality, quality, location, and magnitude of the sensations were evaluated when the stimulations were applied on the forearm skin in 16 nondisabled subjects. Tactile perception was found to be induced more easily on the median and ulnar aspect than the dorsal and radial aspect of the forearm. Stimulation site significantly affected the magnitude of the sensation (p < 0.01). Dualchannel stimulation significantly increased the sensation magnitude (p < 0.05) only when the two electrodes were positioned closely. Moreover, a higher number of pulses evoked a movement perception more frequently and the interleaved time showed no significant effect on the magnitude of the sensation. The findings are expected to be useful for sensory substitution and augmentation applications. The results may also help improve users' acceptance of hand prostheses.

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“…Thus, proprioceptive feedback may require selectivity at the population level, i.e., recruitment of many spindles from the same muscle. However, it is also possible that even paresthesias resulting from unnatural recruitment can be modulated to convey discriminable sensations that may offer functional benefits (Anani et al 1977).…”

mentioning

confidence: 99%

Microstimulation of the lumbar DRG recruits primary afferent neurons in localized regions of lower limb

Ayers

Fisher

Gaunt

et al. 2016

Journal of Neurophysiology

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Ayers CA, Fisher LE, Gaunt RA, Weber DJ. Microstimulation of the lumbar DRG recruits primary afferent neurons in localized regions of lower limb. J Neurophysiol 116: 51-60, 2016. First published April 6, 2016 doi:10.1152/jn.00961.2015.-Patterned microstimulation of the dorsal root ganglion (DRG) has been proposed as a method for delivering tactile and proprioceptive feedback to amputees. Previous studies demonstrated that large-and mediumdiameter afferent neurons could be recruited separately, even several months after implantation. However, those studies did not examine the anatomical localization of sensory fibers recruited by microstimulation in the DRG. Achieving precise recruitment with respect to both modality and receptive field locations will likely be crucial to create a viable sensory neuroprosthesis. In this study, penetrating microelectrode arrays were implanted in the L5, L6, and L7 DRG of four isoflurane-anesthetized cats instrumented with nerve cuff electrodes around the proximal and distal branches of the sciatic and femoral nerves. A binary search was used to find the recruitment threshold for evoking a response in each nerve cuff. The selectivity of DRG stimulation was characterized by the ability to recruit individual distal branches to the exclusion of all others at threshold; 84.7% (n ϭ 201) of the stimulation electrodes recruited a single nerve branch, with 9 of the 15 instrumented nerves recruited selectively. The median stimulation threshold was 0.68 nC/phase, and the median dynamic range (increase in charge while stimulation remained selective) was 0.36 nC/phase. These results demonstrate the ability of DRG microstimulation to achieve selective recruitment of the major nerve branches of the hindlimb, suggesting that this approach could be used to drive sensory input from localized regions of the limb. This sensory input might be useful for restoring tactile and proprioceptive feedback to a lowerlimb amputee.

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Human ability to discriminate various parameters in afferent electrical nerve stimulation with particular reference to prostheses sensory feedback

Cited by 65 publications

References 11 publications

Intrafascicular stimulation of monkey arm nerves evokes coordinated grasp and sensory responses

Intrafascicular stimulation of monkey arm nerves evokes coordinated grasp and sensory responses

Evaluation of sensation evoked by electrocutaneous stimulation on forearm in nondisabled subjects

Microstimulation of the lumbar DRG recruits primary afferent neurons in localized regions of lower limb

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