MovDisordV3, Main, Exploration, bibRecord, 000F58

The Effects of Auditory Startle and Nonstartle Stimuli on Step Initiation in Parkinson's Disease

Identifieur interne : 000F58 ( Main/Exploration ); précédent : 000F57; suivant : 000F59

The Effects of Auditory Startle and Nonstartle Stimuli on Step Initiation in Parkinson's Disease

Auteurs : Miguel Fernandez-Del-Olmo [Espagne] ; Olalla Bello [Espagne] ; Virginia Lopez-Alonso [Espagne] ; Jose Andrés Sanchez [Espagne] ; Diego Santos-Garcia [Espagne] ; Josep Valls-Sole [Espagne]

Source :

Movement disorders [ 0885-3185 ] ; 2012.

RBID : Pascal:12-0423947

Descripteurs français

Pascal (Inist)
- Maladie de Parkinson, Pathologie du système nerveux.

English descriptors

KwdEn :
- Nervous system diseases, Parkinson disease.

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.

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">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.</div>
</front>
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	Movement Disorders (revue)
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Movement Disorders (revue)

The Effects of Auditory Startle and Nonstartle Stimuli on Step Initiation in Parkinson's Disease

The Effects of Auditory Startle and Nonstartle Stimuli on Step Initiation in Parkinson's Disease

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri