Verified Commit f480eac9 authored by Yohan Jarosz's avatar Yohan Jarosz 🐶 Committed by Laurent Heirendt
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parent 3e967bd1
......@@ -12,22 +12,19 @@ Laure PAULY, Claire PAULY, Maxime HANSEN, Valerie E. SCHRÖDER, Armin RAUSCHENBE
{% rgridblock a-unique-id %}
{% rblock Background %}
The analysis of the procedural memory is particularly relevant in neurodegenerative disorders like Parkinson’s disease, due to the central role of the striatum in procedural memory. It has already been shown that the anterograde procedural memory, the ability to learn a new skill, is affected in Parkinsons disease. However, to our knowledge, the functioning of retrograde procedural memory, the very long-term retention and execution of skills, has not yet been studied in Parkinson’s disease. Therefore, we will here, first, describe the development of a novel tool based on the Cube Copying Test to assess this memory concept, and, second, present evidence that the functioning of the retrograde procedural memory is indeed impaired in Parkinson’s disease and explore the associations of cube drawing performance with patient and disease characteristics.
{% rblock Manuscript %}
The manuscript of the paper "The retrograde procedural memory in Parkinson's disease: a case-control study" is available <a href="#">here</a>.
{% endrblock %}
{% rblock Methods %}
Since there are no evidence-based protocols available to evaluate the retrograde part of the procedural memory, we developed a novel tool based on the Cube Copying Test. We established an extended evaluation system that evaluates both the drawing procedure, representing the retrograde procedural memory, and the final result, representing the visuo-constructive aspects.
{% rblock Data Availability Statement %}
The Data Availability Statement is available <a href="#">here</a>.
{% endrblock %}
{% rblock Results %}
A pilot study in 40 healthy subjects suggested four typical ways to draw the cube. To assess the role of retrograde procedural memory in Parkinson’s disease, a total of 272 participants from the Luxembourg Parkinson’s Study were classified according to the previously established patterns to draw a cube. Comparing people with typical Parkinson’s disease (n = 136) with age- and gender-matched control subjects (n = 136), we identified a significantly impaired cube drawing performance in people with Parkinson’s disease (p < 0.001).
{% rblock Supplementary Data %}
The Supplementary Data is available <a href="#">here</a>.
{% endrblock %}
{% rblock Conclusions %}
Our study demonstrates an impairment of the retrograde procedural memory in Parkinson’s disease. The extended evaluation system could give further insights into the impairment of retrograde procedural memory in other cohorts of patients with Parkinson’s disease or other neurodegenerative diseases.
{% endrblock %}
{% endrgridblock %}
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