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Experimental Brain Research

, Volume 105, Issue 2, pp 321–324 | Cite as

Transcutaneous electrical stimulation and vibration of neck muscles in neglect

  • Hans-Otto Karnath
Research Note

Abstract

Four neglect patients without visual field defects, one with a lesion of the right basal ganglia and three with a right, predominantly parietal lesion, were examined with a cancellation and a copying task before, during and after neck muscle vibration, during transcutaneous electrical stimulation of neck muscles and during vibration of hand muscles on the left side. In all patients, neck muscle vibration improved task performance, while transcutaneous electrical stimulation and hand vibration had little or no effect. The present results demonstrate that the effect of neck muscle vibration cannot be explained as arousal and activation due to unspecific sensory stimulation on the contralesional side of the body. They rather argue for the assumption that the compensatory effect of neck muscle vibration on neglect is an effect induced by the predominant activation of afferent Ia nerve fibres and their specific contribution to the central representation of egocentric space.

Key words

Neglect Transcutaneous electrical stimulation Neck muscle vibration Egocentric spatial reference frame Human 

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References

  1. Biguer B, Donaldson IML, Hein A, Jeannerod M (1988) Neck muscle vibration modifies the representation of visual motion and direction in man. Brain 111:1405–1424Google Scholar
  2. Burke D, Hagbarth KE, Lofstedt L, Wallin BG (1976a) The response of human muscle spindle endings to vibration of noncontracting muscles. J Physiol (Lond) 261:673–693Google Scholar
  3. Burke D, Hagbarth KE, Lofstedt L, Wallin BG (1976b) The response of human muscle spindle endings to vibration during isometric contraction. J Physiol (Lond) 261:695–711Google Scholar
  4. Cappa S, Sterzi R, Vallar G, Bisiach E (1987) Remission of hemineglect and anosognosia during vestibular stimulation. Neuropsychologia 25:775–782Google Scholar
  5. Goodwin GM, McCloskey DI, Matthews PBC (1972) The contribution of muscle afferents to kinaesthesia shown by vibration induced illusions of movement and by the effects of paralysing joint afferents. Brain 95:705–748Google Scholar
  6. Karnath H-O (1988) Deficits of attention in acute and recovered visual hemi-neglect. Neuropsychologia 26:27–43Google Scholar
  7. Karnath H-O (1994) Subjective body orientation in neglect and the interactive contribution of neck muscle proprioception and vestibular stimulation. Brain 117:1001–1012Google Scholar
  8. Karnath H-O, Christ K, Hartje W (1993) Decrease of contralateral neglect by neck muscle vibration and spatial orientation of trunk midline. Brain 116:383–396Google Scholar
  9. Marshall JC, Halligan PW (1993) Visuo-spatial neglect: a new copying test to assess perceptual parsing. J Neurol 240:37–40Google Scholar
  10. Mesulam M-M (1985) Attention, confusional states, and neglect. In: Mesulam M-M (ed) Principles of behavioral neurology. Davis, Philadelphia, pp 125–168Google Scholar
  11. Pizzamiglio L, Frasca R, Guariglia C, Incoccia C, Antonucci G (1990) Effect of optokinetic stimulation in patients with visual neglect. Cortex 26:535–540Google Scholar
  12. Riddoch MJ, Humphreys GW (1983) The effect of cueing on unilateral neglect. Neuropsychologia 21:589–599Google Scholar
  13. Roll JP, Vedel JP, Ribot E (1989) Alteration of proprioceptive messages induced by tendon vibration in man: a microneurographic study. Exp Brain Res 76:213–222Google Scholar
  14. Rubens AB (1985) Caloric stimulation and unilateral visual neglect. Neurology 35:1019–1024Google Scholar
  15. Vallar G, Antonucci G, Guariglia C, Pizzamiglio L (1993) Deficits of position sense, unilateral neglect and optokinetic stimulation. Neuropsychologia 31:1191–1200Google Scholar
  16. Vallar G, Rusconi ML, Barozzi S, Bernardini B, Ovadia D, Papagno C, Cesarani A (1995) Improvement of left visuo-spatial hemineglect by left-sided transcutaneous electrical stimulation. Neuropsychologia 33:73–82Google Scholar

Copyright information

© Springer-Verlag 1995

Authors and Affiliations

  • Hans-Otto Karnath
    • 1
  1. 1.Department of NeurologyUniversity of TübingenTübingenGermany

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