Movement Disorders

Aya Ikeda, Hitoshi Shimada, Kenya Nishioka, Masashi Takanashi, Arisa Hayashida, Yuanzhe Li, Hiroyo Yoshino, Manabu Funayama, Yuji Ueno, Taku Hatano, Naruhiko Sahara, Tetsuya Suhara, Makoto Higuchi, Nobutaka Hattori February 18, 2019

ABSTRACT

Background

While mechanistic links between tau abnormalities and neurodegeneration have been proven in frontotemporal dementia and parkinsonism linked to chromosome 17 caused by MAPT mutations, variability of the tau pathogenesis and its relation to clinical progressions in the same MAPT mutation carriers are yet to be clarified.… Read More...

Antonio de Iure, Francesco Napolitano, Goichi Beck, Ana Quiroga Varela, Valentina Durante, Miriam Sciaccaluga, Petra Mazzocchetti, Alfredo Megaro, Michela Tantucci, Antonella Cardinale, Daniela Punzo, Andrea Mancini, Cinzia Costa, Veronica Ghiglieri, Alessandro Tozzi, Barbara Picconi, Stella M. Papa, Alessandro Usiello, Paolo Calabresi February 14, 2019

ABSTRACT

Objective

Spreading depolarization (SD) is a transient self‐propagating wave of neuronal and glial depolarization coupled with large membrane ionic changes and a subsequent depression of neuronal activity. Spreading depolarization in the cortex is implicated in migraine, stroke, and epilepsy. Conversely, spreading depolarization in the striatum, a brain structure deeply involved in motor control and in Parkinson’s disease (PD) pathophysiology, has been poorly investigated.… Read More...

Yong‐Sook Park, Na Young Jung, Young Cheol Na, Jin Woo Chang February 14, 2019

Abstract

Background

Following the emergence of magnetic resonance‐guided focused ultrasound as a promising tool for movement disorder surgery, thalamotomy for essential tremor using this technique has become a useful tool based on its efficacy and lack of adverse effects. Here, we summarize the 4‐year results of previous reports focusing on the durability of effectiveness of magnetic resonance‐guided focused ultrasound thalamotomy for essential tremor.… Read More...

Aldo Quattrone, Maurizio Morelli, Basilio Vescio, Salvatore Nigro, Emilio Le Piane, Umberto Sabatini, Manuela Caracciolo, Virginia Vescio, Andrea Quattrone, Gaetano Barbagallo, Carlo Stanà, Giuseppe Nicoletti, Gennarina Arabia, Rita Nisticò, Fabiana Novellino, Maria Salsone February 14, 2019

ABSTRACT

Background

No prospective study of patients with Parkinson’s disease (PD) has investigated the appearance of vertical gaze abnormalities, a feature suggestive of progressive supranuclear palsy (PSP).

Objective

To identify, within a cohort of patients with an initial diagnosis of PD, those who developed vertical gaze abnormalities during a 4‐year follow‐up, and to investigate the performance of new imaging biomarkers in predicting vertical gaze abnormalities.… Read More...

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