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The striatum in time production: the model of Huntingtons's disease in longitudinal study

Lemoine, Laurie, Lunven, Marine, Fraisse, Nicholas, Youssov, Katia, Bapst, Blanche, Morgado, Graca, Reilmann, Ralf, Busse-Morris, Monica ORCID:, Craufurd, David, Rosser, Anne ORCID:, Gardelle, Vincent de and Bachoud-Levi, Anne-Catherine 2023. The striatum in time production: the model of Huntingtons's disease in longitudinal study. Neuropsychologia 179 , 108459. 10.1016/j.neuropsychologia.2022.108459

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The unified model of time processing suggests that the striatum is a central structure involved in all tasks that require the processing of temporal durations. Patients with Huntington's disease exhibit striatal degeneration and a deficit in time perception in interval timing tasks (i.e. for duration ranging from hundreds of milliseconds to minutes), but whether this deficit extends to time production remains unclear. In this study, we investigated whether symptomatic patients (HD, N = 101) or presymptomatic gene carriers (Pre-HD, N = 31) of Huntington's disease had a deficit in time production for durations between 4 and 10 s compared to healthy controls and whether this deficit developed over a year for patients. We found a clear deficit in temporal production for HD patients, whereas Pre-HD performed similarly to Controls. For HD patients and Pre-HD participants, task performance was correlated with grey matter volume in the amygdala and caudate, bilaterally. These results confirm that the striatum is involved in interval timing not only in perception but also in production, in accordance with the unified model of time processing. Furthermore, exploratory factor analyses on our data indicated that temporal production was associated with clinical assessments of psychomotor and executive functions. Finally, when retested twelve months later, the deficit of HD patients remained stable, although striatal degeneration was more pronounced. Thus, the simple, short and language-independent temporal production task may be a useful clinical tool to detect striatal degeneration in patients in early stages of Huntington's disease. However, its usefulness to detect presymptomatic stages or for monitoring the evolution of HD over a year seems limited.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Centre for Trials Research (CNTRR)
Publisher: Elsevier
ISSN: 0028-3932
Date of First Compliant Deposit: 9 January 2023
Date of Acceptance: 16 December 2022
Last Modified: 02 May 2023 18:16

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