Primary progressive freezing gait with impressive response to laser light visual cueing: a video case report

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We wish to thank the patient and her family for their cooperation regarding this report. We obtained written informed consent from the patient’s son for this publication.


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Corresponding author

Correspondence to Moisés León Ruiz.

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The authors declare that they have no competing interests.

Ethical standard

This single case study has been approved by our Institution’s Ethics Committee and have, therefore, been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki.

Electronic supplementary material

Below is the link to the electronic supplementary material.

Video 1: Patient’s gait before using the laserlight visual cueing device in 2016: It shows FOG. (MP4 15109 KB)

Video 2: Patient’s gait using the laserlight visual cueing device in 2016: It demonstrates a significant improvement of FOG. (MP4 18601 KB)

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León Ruiz, M., García-Soldevilla, M.Á. & García-Albea Ristol, E. Primary progressive freezing gait with impressive response to laser light visual cueing: a video case report. J Neurol 265, 2146–2148 (2018).

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