Ann-Katrin Ohlerth

Ann-Katrin Ohlerth
University of Groningen | RUG · Department of Applied Lingustics

Master of Science

About

8
Publications
1,682
Reads
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29
Citations
Additional affiliations
September 2017 - present
University of Groningen
Position
  • PhD Student
September 2016 - August 2017
University of Groningen
Position
  • Research Assistant
April 2013 - July 2013
Radboud University
Position
  • Research Assistant
Education
September 2014 - August 2016
Universität Potsdam
Field of study
  • European Master of Clinical Linguistics
September 2014 - August 2016
University of Eastern Finland
Field of study
  • European Master of Clinical Linguistics
September 2014 - August 2016
University of Groningen
Field of study
  • European Master of Clinical Linguistics

Publications

Publications (8)
Article
Full-text available
Background Perioperative assessment of language function in brain tumor patients commonly relies on administration of object naming during stimulation mapping. Ample research, however, points to the benefit of adding verb tasks to the testing paradigm in order to delineate and preserve postoperative language function more comprehensively. This rese...
Article
Full-text available
Visualization of functionally significant subcortical white matter fibers is needed in neurosurgical procedures in order to avoid damage to the language network during resection. In an effort to achieve this, positive cortical points revealed during preoperative language mapping with navigated transcranial magnetic stimulation (nTMS) can be employe...
Article
Full-text available
Preoperative language mapping with navigated transcranial magnetic stimulation (nTMS) is currently based on the disruption of performance during object naming. The resulting cortical language maps, however, lack accuracy when compared to intraoperative mapping. The question arises whether nTMS results can be improved, when another language task is...
Article
Full-text available
Navigated Transcranial Magnetic Stimulation (nTMS) is used to understand the cortical organization of language in preparation for the surgical removal of a brain tumor. Action naming with finite verbs can be employed for that purpose, providing additional information to object naming. However, little research has focused on the properties of the ve...
Article
Full-text available
The objective of this systematic review is to create an overview of the literature on the comparison of navigated transcranial magnetic stimulation (nTMS) as a mapping tool to the current gold standard, which is (intraoperative) direct cortical stimulation (DCS) mapping. A search in the databases of PubMed, EMBASE, and Web of Science was performed....
Article
Full-text available
Background: The human white matter pathway network is complex and of critical importance for functionality. Thus, learning and understanding white matter tract anatomy is important for the training of neuroscientists and neurosurgeons. The study aims to test and evaluate a new method for fiber dissection using augmented reality (AR) in a group whi...
Article
Full-text available
Background Protocols for intraoperative language mapping with direct electrical stimulation (DES) often include various language tasks triggering both nouns and verbs in sentences. Such protocols are not readily available for navigated transcranial magnetic stimulation (nTMS), where only single word object naming is generally used. Here, we present...
Poster
Full-text available
Planning surgeries on patients with tumors in eloquent areas can be aided by pre-surgical language mapping using the new technique of navigated Transcranial Magnetic Stimulation (nTMS). In our pilot study, we refined the task paradigm used during the stimulation by implementing action naming next to the gold standard object naming. We proved that t...

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