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Sara De Witte
Ghent University Hospital
PsychologyCognitive psychologyTranscranial direct-current stimulationAnterior cingulate cortexMood
7Publications
3H-index
18Citations
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Publications 9
Newest
#1Sara De Witte (UGent: Ghent University)
#1Sara De Witte (UGent: Ghent University)H-Index: 3
Last. Marie-Anne Vanderhasselt (UGent: Ghent University)H-Index: 31
view all 8 authors...
Abstract Depressive brooding following a stressful event predicts negative affect and neuroendocrine responses related to psychological stress. The dorsolateral prefrontal cortex (DLPFC) has been associated with the top-down regulation of thoughts and emotions, and abnormal neural activity within this region has been associated with increased psychological stress and ruminative thinking. The aim of this study was to investigate whether the modulation of the DLPFC could have beneficial effects on...
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#1Tasha Poppa (SC: University of Southern California)H-Index: 3
#2Sara De Witte (UGent: Ghent University)H-Index: 3
Last. Chris Baecken (UGent: Ghent University)H-Index: 30
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Abstract Dysregulation of autonomic cardiovascular homeostasis is an important cardiological and neurological risk factor. Cortical regions including the prefrontal and insular cortices exert tonic control over cardiovascular autonomic functions. Transcranial Magnetic Stimulation (TMS) may be a suitable approach for studying top-down control of visceromotor processes. However, there is inconsistent evidence as to whether TMS can modify cardiovascular autonomic states. One reason for the inconsis...
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#2Sara De WitteH-Index: 3
Last. Chris BaeckenH-Index: 30
view all 8 authors...
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#1Josefien Dedoncker (Ghent University Hospital)H-Index: 4
#2Marie-Anne Vanderhasselt (UGent: Ghent University)H-Index: 31
Last. Chris Baecken (Ghent University Hospital)H-Index: 30
view all 8 authors...
The mechanisms by which transcranial direct current stimulation (tDCS) influences emotional processing - and whether this is related to individual vulnerability for psychopathology - are still poorly understood. The present study aimed to investigate if one prefrontal tDCS session modulates mood and neural functional connectivity after being exposed to negative information differently in individuals low or high in perceived criticism (PC), which has been related to vulnerability for psychiatric ...
1 CitationsSource
#1Chris Baecken (UGent: Ghent University)H-Index: 30
#2Marie-Anne Vanderhasselt (UGent: Ghent University)H-Index: 31
Last. Sara De WitteH-Index: 3
view all 6 authors...
Non-invasive brain stimulation (NIBS) techniques, such as transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) have shown high treatment potential for a broad variety of neuropsychiatric disorders. However, the application of ‘standard’ protocols results in high inter-individual differences in the responses and reduce the overall efficacy. In this symposium, individual characteristics that are linked to the clinical outcome of stimulation treatment will be h...
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#1Chris Baecken (Ghent University Hospital)H-Index: 30
#2Josefien Dedoncker (Ghent University Hospital)H-Index: 4
Last. Rudi De Raedt (UGent: Ghent University)H-Index: 44
view all 9 authors...
Transcranial direct current stimulation (tDCS) is a potential treatment strategy for mood and anxiety disorders, but how this application may influence emotional processes, and whether this is related to individual characteristics, is not well understood. It has been proposed that perceived criticism (PC) may represent a vulnerability factor for the development of such mental illnesses. To decipher whether neural mechanisms of action of tDCS potentially differ depending on PC status (low vs. hig...
1 CitationsSource
#1Sara De Witte (Ghent University Hospital)H-Index: 3
#2Debby Klooster (Ghent University Hospital)H-Index: 3
Last. Chris Baecken (Ghent University Hospital)H-Index: 30
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Abstract Transcranial direct current stimulation (tDCS) involves positioning two electrodes at specifically targeted locations on the human scalp. In neuropsychiatric research, the anode is often placed over the left dorsolateral prefrontal cortex (DLPFC), while the cathode is positioned over a contralateral cephalic region above the eye, referred-to as the supraorbital region. Although the 10–20 EEG system is frequently used to locate the DLPFC, due to inter-subject brain variability, this meth...
9 CitationsSource
#1Damien Brevers (ULB: Université libre de Bruxelles)H-Index: 18
#2S. HerremansH-Index: 1
Last. Chris BaeckenH-Index: 30
view all 11 authors...
Nowadays, sports betting has become increasingly available and easy to engage in. Here we examined the neural responses to stimuli that represent sporting events available for betting as compared to sporting events without a gambling opportunity. We used a cue exposure task in which football (soccer) fans (N = 42) viewed cues depicting scheduled football games that would occur shortly after the scanning session. In the "betting" condition, participants were instructed to choose, at the end of ea...
3 CitationsSource
#1Chris Baecken (Ghent University Hospital)H-Index: 30
#2Jonathan Remue (UGent: Ghent University)H-Index: 9
Last. Guo-Rong Wu (SWU: Southwest University)H-Index: 17
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Abstract Background Transcranial direct current stimulation (tDCS) is a non-invasive electrical stimulation technique, assumed to influence cognition and emotional processing. Objective: However, it is unclear how tDCS influences spontaneous cognitive processes such as momentary self-referential thoughts on the neuronal level. Methods Forty healthy female volunteers participated in a single session sham-controlled crossover tDCS study while being in the MRI scanner. We measured brain perfusion (...
4 CitationsSource
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