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The effects of auditory startle and nonstartle stimuli on step initiation in Parkinson's disease
dc.contributor.author | Fernández-del-Olmo, Miguel | |
dc.contributor.author | Bello, Olalla | |
dc.contributor.author | López-Alonso, Virginia | |
dc.contributor.author | Sánchez Molina, José-Andrés | |
dc.contributor.author | Santos-García, Diego | |
dc.contributor.author | Valls-Solé, Josep | |
dc.date.accessioned | 2016-01-15T08:40:01Z | |
dc.date.available | 2016-01-15T08:40:01Z | |
dc.date.issued | 2012-10-02 | |
dc.identifier.citation | Fernández-del-Olmo M, Bello O, López-Alonso V, et al. The effects of auditory startle and nonstartle stimuli on step initiation in Parkinson's disease. Mov Disord. 2012;27(12):1570-1573 | es_ES |
dc.identifier.uri | http://hdl.handle.net/2183/15863 | |
dc.description.abstract | [Abstract] Background. Auditory external cues enhance step initiation in Parkinson's disease (PD) patients. We wanted to explore whether a startle reaction has a comparable effect on step initiation in PD. Methods. Thirteen PD patients and 13 aged-matched controls participated in this study. Electromyography pattern and onset toe-off time during a step initiation task were recorded in response to three different stimuli: a visual imperative stimulus; visual stimulus simultaneous with a nonstartle auditory stimulus and with a startle auditory stimulus. Results. In all subjects, onset of tibialis anterior was faster in the startle auditory condition, compared with the nonstartle auditory condition. However, in the patient group, there was no difference in onset of soleus and toe-off between the startle and nonstartle conditions. Conclusions. Startle reaction in PD patients demonstrates a disordered coupling between the anticipatory postural adjustments that initiate the weight shift and the movement to initiate toe-off during step initiation. | es_ES |
dc.description.sponsorship | Ministerio de Ciencia e Innovación; PSI2008-03175 | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Wiley | es_ES |
dc.relation.uri | http://dx.doi.org/10.1002/mds.25168 | es_ES |
dc.rights | This is the peer reviewed version of the article which has been published in final form at Wiley Online Library. This article mey be used for non-commercial purposes in accordance with Wiley Terms and Conditions for self-archiving. | es_ES |
dc.subject | Parkinson | es_ES |
dc.subject | Gait initiation | es_ES |
dc.subject | Step initiation | es_ES |
dc.subject | Startle | es_ES |
dc.title | The effects of auditory startle and nonstartle stimuli on step initiation in Parkinson's disease | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.access | info:eu-repo/semantics/openAccess | es_ES |
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