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Ginkgo biloba extract EGb 761® alleviates neurosensory symptoms in patients with dementia: a meta-analysis of treatment effects on tinnitus and dizziness in randomized, placebo-controlled trials

Rainer Spiegel,1 Roger Kalla,2 Georgios Mantokoudis,3 Raphael Maire,4 Heiko Mueller,5 Robert Hoerr,5 Ralf Ihl6 1Division of Internal Medicine, Basel University Hospital, University of Basel, Basel ... funding for this work. Rainer Spiegel and Roger Kalla share first authorship. Author contributions R Spiegel and R Kalla contributed equally to the manuscript. All authors contributed to the

Real-time computer-based visual feedback improves visual acuity in downbeat nystagmus – a pilot study

Background Patients with downbeat nystagmus syndrome suffer from oscillopsia, which leads to an unstable visual perception and therefore impaired visual acuity. The aim of this study was to use real-time computer-based visual feedback to compensate for the destabilizing slow phase eye movements. Methods The patients were sitting in front of a computer screen with the head fixed...