Volker Ressel

Volker Ressel
University of Zurich | UZH · Pediatric Rehab Research Group

PhD

About

12
Publications
953
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329
Citations
Introduction
Magnetic Resonance Imaging to predict outcome after rehabilitation in children with acquired brain lesion, University Children's Hospital, Zurich, Switzerland AND Brain functions and ageing: long-term study, Felix Platter Hospital, Basel, Switzerland

Publications

Publications (12)
Article
Full-text available
Purpose To test markers from conventional and diffusion Magnetic Resonance Imaging (MRI) as possible predictors of cognitive outcome following rehabilitation therapy in children with acquired brain injury (ABI). Methods Twenty-one children (10 boys, mean age 11.6 years, range 7.1-19.4) with stroke or traumatic brain injury underwent MRI including...
Article
Full-text available
Abstract Background The primary aim was to compare fractional anisotropy (FA) values derived with different diffusion tensor imaging (DTI) analysis approaches (atlas-based, streamline tractography, and combined). A secondary aim was to compare FA values and number of tracts (NT) with the clinical motor outcome quantified by the functional independe...
Article
Full-text available
Background: Rehabilitation in children with acquired brain injury is a challenging endeavour. There is a large variability in motor recovery between patients, and a need to optimize therapies by exploiting cerebral plasticity and recovery mechanisms. This retrospective study aims to identify tract-based markers that could serve as predictors of fu...
Article
Full-text available
Two studies (Golestani et al., 2007; Wong et al., 2008) have reported a positive correlation between the ability to perceive foreign speech sounds and the volume of Heschl's gyrus (HG), the structure that houses the auditory cortex. More precisely, participants with larger left Heschl's gyri learned consonantal or tonal contrasts faster than those...
Article
Functional MR imaging is dependent on the hemodynamic response function of the brain. Cerebrovascular anomalies may lead to hemodynamic artifacts, contorting the true localization of neural activation. This is illustrated in the case of a 4-year-old boy with an arteriovenous malformation (AVM) of the left central region undergoing extensive functio...
Article
Previous functional magnetic resonance imaging (fMRI) studies investigating hemispheric dominance for language have shown that hemispheric specialization increases with age. We employed magnetoencephalography (MEG) to investigate these effects as a function of normal development. In sum, 22 healthy children aged 7-16 years were investigated using t...
Article
Full-text available
We used whole-head magnetoencephalography measurements to investigate the spatiotemporal pattern of neural activity related to language production. Eight participants overtly responded by repeating aloud or vocalizing an internally generated verb to auditorily or visually presented nouns. Activity peaked within primary sensory (auditory or visual)...
Article
Hemispheric specialization for language has been the focus of many studies, mainly using functional magnetic resonance imaging. Here, we used magnetoencephalography to investigate hemispheric dominance and time-dependent aspects of cortical language processing. We implemented a verb generation task and a newly designed vowel identification task. El...
Article
Despite the widespread use of inbred mice in research, little is known about aging of the circadian system in female mice, although interactions between female gonadal hormones and circadian rhythms have been established. We investigated the influence of the estrus cycle on circadian aspects of running-wheel activity and changes in the course of ag...

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