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Andreas Wollbrink
University of Münster
PsychologyNeuroscienceAuditory cortexAudiologyMagnetoencephalography
47Publications
15H-index
840Citations
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#1Lena Fischer-Riepe (WWU: University of Münster)H-Index: 4
#2Niklas M. Daber (WWU: University of Münster)H-Index: 2
Last. Thomas Ulas (University of Bonn)H-Index: 19
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Abstract Background Scavenger receptor CD163 is exclusively expressed on monocytes/macrophages and is widely used as a marker for alternatively activated macrophages. However, the role of CD163 is not yet clear. Objectives We examined the function of CD163 in steady-state as well as in sterile and infectious inflammation. Methods Expression of CD163 was analyzed under normal and inflammatory conditions in mice. Functional relevance of CD163 was investigated in models of inflammation in wildtype ...
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#1Evangelos Paraskevopoulos (A.U.Th.: Aristotle University of Thessaloniki)H-Index: 10
#2Christian DobelH-Index: 17
Last. Christo Pantev (WWU: University of Münster)H-Index: 62
view all 6 authors...
The present study used resting state MEG whole-head recordings to identify how chronic tonal tinnitus relates to altered functional connectivity of brain’s intrinsic cortical networks. Resting state MEG activity of 40 chronic tinnitus patients and 40 matched human controls was compared identifying significant alterations in intrinsic networks of the tinnitus population. Directed functional connectivity of the resting brain, at a whole cortex level, was estimated by means of a statistical compari...
1 CitationsSource
Previous neuroimaging studies have shown that sounds can be discriminated due to living-related or man-made-related characteristics and involve different brain regions. However, these studies have mainly provided source space analyses, which offer simple maps of activated brain regions but do not explain how regions of a distributed system are functionally organized under a specific task. In the present study, we aimed to further examine the functional connectivity of the auditory processing pat...
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#1Konstantinos Politof (TUC: Technical University of Crete)
#2Marios AntonakakisH-Index: 1
Last. Carsten H. WoltersH-Index: 30
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The primary somatosensory cortex remains one of the most investigated brain areas. However, there is still an absence of an integrated methodology to describe the early temporal alterations in the primary somatosensory network. Source analysis based on combined Electro-(EEG) and Magneto-(MEG) Encephalography (EMEG) has been recently shown to outperform the one's based on single modality EEG or MEG. The study and potential of combined EMEG form the goal of the current study, which investigates th...
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#1Andreas Wollbrink (WWU: University of Münster)H-Index: 15
#2Christian Dobel (FSU: University of Jena)H-Index: 4
Last. Christo Pantev (WWU: University of Münster)H-Index: 62
view all 7 authors...
Abstract Chronic tinnitus, a symptom of high prevalence, is a persistent hearing sensation in the absence of an external sound source. Recent electrophysiological studies indicate that tinnitus generation is to a high degree the result of maladaptive plasticity in the central auditory pathway. The pitch of the tinnitus sensation can be assessed by performing a pitch matching procedure. In the most frequent “tonal tinnitus” type pure tones are used as test stimuli. However, in the case of tonal t...
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#1Marios Antonakakis (WWU: University of Münster)H-Index: 1
#2Sophie Schrader (WWU: University of Münster)H-Index: 1
Last. Carsten H. Wolters (WWU: University of Münster)H-Index: 30
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Modeling and experimental parameters influence the Electro‐ (EEG) and Magnetoencephalography (MEG) source analysis of the somatosensory P20/N20 component. In a sensitivity group study, we compare P20/N20 source analysis due to different stimulation type (Electric‐Wrist [EW], Braille‐Tactile [BT], or Pneumato‐Tactile [PT]), measurement modality (combined EEG/MEG – EMEG, EEG, or MEG) and head model (standard or individually skull‐conductivity calibrated including brain anisotropic conductivity). C...
2 CitationsSource
Jul 1, 2019 in EMBC (International Conference of the IEEE Engineering in Medicine and Biology Society)
#1Asad Khan (WWU: University of Münster)
#2Marios Antonakakis (WWU: University of Münster)H-Index: 1
Last. Carsten H. Wolters (WWU: University of Münster)H-Index: 30
view all 11 authors...
Transcranial direct current stimulation (tDCS) is a noninvasive method that delivers current through the scalp to enhance or suppress brain activity. The standard way of applying tDCS is by the use of two large rectangular sponge electrodes on the scalp. The resulting currents often stimulate a broad region of the brain distributed over brain networks. In order to address this issue, recently, multi-electrode transcranial direct current stimulation with optimized montages has been used to stimul...
1 CitationsSource
#2Andreas WollbrinkH-Index: 15
Last. Christian DobelH-Index: 17
view all 7 authors...
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#2Andreas WollbrinkH-Index: 15
Last. Christian DobelH-Index: 17
view all 7 authors...
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