Search Results - "Graaf, Tom A. de"

Alpha-band rhythms in visual task performance: phase-locking by rhythmic sensory stimulation by de Graaf, Tom A, Gross, Joachim, Paterson, Gavin, Rusch, Tessa, Sack, Alexander T, Thut, Gregor

“…Oscillations are an important aspect of neuronal activity. Interestingly, oscillatory patterns are also observed in behaviour, such as in visual performance…”
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Concurrent human TMS-EEG-fMRI enables monitoring of oscillatory brain state-dependent gating of cortico-subcortical network activity by Peters, Judith C., Reithler, Joel, Graaf, Tom A. de, Schuhmann, Teresa, Goebel, Rainer, Sack, Alexander T.

“…Despite growing interest, the causal mechanisms underlying human neural network dynamics remain elusive. Transcranial Magnetic Stimulation (TMS) allows to…”
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Brain network dynamics underlying visuospatial judgment: an FMRI connectivity study by de Graaf, Tom A, Roebroeck, Alard, Goebel, Rainer, Sack, Alexander T

“…Previous functional imaging research has consistently indicated involvement of bilateral fronto-parietal networks during the execution of visuospatial tasks…”
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Transcranial Magnetic Stimulation in the Treatment of Neurological Diseases by Somaa, Fahad A, de Graaf, Tom A, Sack, Alexander T

“…Transcranial Magnetic Stimulation (TMS) has widespread use in research and clinical application. For psychiatric applications, such as depression or OCD,…”
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FMRI effective connectivity and TMS chronometry: complementary accounts of causality in the visuospatial judgment network by de Graaf, Tom A, Jacobs, Christianne, Roebroeck, Alard, Sack, Alexander T

“…While traditionally quite distinct, functional neuroimaging (e.g. functional magnetic resonance imaging: fMRI) and functional interference techniques (e.g…”
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Enhancing memory capacity by experimentally slowing theta frequency oscillations using combined EEG-tACS by Aktürk, Tuba, de Graaf, Tom A., Güntekin, Bahar, Hanoğlu, Lütfü, Sack, Alexander T.

“…The coupling of gamma oscillation (~ 40+ Hz) amplitude to the phase of ongoing theta (~ 6 Hz) oscillations has been proposed to be directly relevant for memory…”
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Oscillatory delta and theta frequencies differentially support multiple items encoding to optimize memory performance during the digit span task by Aktürk, Tuba, de Graaf, Tom A., Erdal, Furkan, Sack, Alexander T., Güntekin, Bahar

“…•Slow oscillatory responses differentially contribute to the digit span task performance.•Delta responses matched nicely the suggested “serial position curve”…”
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Left parietal tACS at alpha frequency induces a shift of visuospatial attention by Schuhmann, Teresa, Kemmerer, Selma K, Duecker, Felix, de Graaf, Tom A, Ten Oever, Sanne, De Weerd, Peter, Sack, Alexander T

“…Voluntary shifts of visuospatial attention are associated with a lateralization of parieto-occipital alpha power (7-13Hz), i.e. higher power in the hemisphere…”
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Relating alpha power modulations to competing visuospatial attention theories by Gallotto, Stefano, Duecker, Felix, Oever, Sanne ten, Schuhmann, Teresa, de Graaf, Tom A., Sack, Alexander T.

“…Visuospatial attention theories often propose hemispheric asymmetries underlying the control of attention. In general support of these theories, previous…”
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The chronometry of visual perception: Review of occipital TMS masking studies by DE GRAAF, Tom A, KOIVISTO, Mika, JACOBS, Christianne, SACK, Alexander T

“…Transcranial magnetic stimulation (TMS) continues to deliver on its promise as a research tool. In this review article we focus on the application of TMS to…”
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Phase of beta-frequency tACS over primary motor cortex modulates corticospinal excitability by Schilberg, Lukas, Engelen, Tahnée, ten Oever, Sanne, Schuhmann, Teresa, de Gelder, Beatrice, de Graaf, Tom A., Sack, Alexander T.

“…The assessment of corticospinal excitability by means of transcranial magnetic stimulation-induced motor evoked potentials is an established diagnostic tool in…”
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The Effects of Serum Removal on Gene Expression and Morphological Plasticity Markers in Differentiated SH-SY5Y Cells by Thomson, Alix C., Schuhmann, Teresa, de Graaf, Tom A., Sack, Alexander T., Rutten, Bart P. F., Kenis, Gunter

“…Despite the widespread use of the SH-SY5Y human neuroblastoma cell line in modeling human neurons in vitro , protocols for growth, differentiation and…”
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“Broadband Alpha Transcranial Alternating Current Stimulation”: Exploring a new biologically calibrated brain stimulation protocol by Janssens, Shanice E.W., Oever, Sanne Ten, Sack, Alexander T., de Graaf, Tom A.

“…Transcranial alternating current stimulation (tACS) can be used to study causal contributions of oscillatory brain mechanisms to cognition and behavior. For…”
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When and How to Interpret Null Results in NIBS: A Taxonomy Based on Prior Expectations and Experimental Design by de Graaf, Tom A, Sack, Alexander T

“…Experiments often challenge the null hypothesis that an intervention, for instance application of non-invasive brain stimulation (NIBS), has no effect on an…”
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Oscillatory Correlates of Visual Consciousness by Gallotto, Stefano, Sack, Alexander T, Schuhmann, Teresa, de Graaf, Tom A

“…Conscious experiences are linked to activity in our brain: the neural correlates of consciousness (NCC). Empirical research on these NCCs covers a wide range…”
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Using Remotely Supervised At-Home TES for Enhancing Mental Resilience by Paneva, Jasmina, Leunissen, Inge, Schuhmann, Teresa, de Graaf, Tom A., Jønsson, Morten Gørtz, Onarheim, Balder, Sack, Alexander T.

“…We are in the midst of a mental health crisis with major depressive disorder being the most prevalent among mental health disorders and up to 30% of patients…”
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Time- and task-dependent non-neural effects of real and sham TMS by Duecker, Felix, de Graaf, Tom A, Jacobs, Christianne, Sack, Alexander T

“…Transcranial magnetic stimulation (TMS) is widely used in experimental brain research to manipulate brain activity in humans. Next to the intended neural…”
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Abnormal Cross Frequency Coupling of Brain Electroencephalographic Oscillations Related to Visual Oddball Task in Parkinson's Disease with Mild Cognitive Impairment by Bayraktaroğlu, Zübeyir, Aktürk, Tuba, Yener, Görsev, de Graaf, Tom A., Hanoğlu, Lütfü, Yıldırım, Ebru, Hünerli Gündüz, Duygu, Kıyı, İlayda, Sack, Alexander T., Babiloni, Claudio, Güntekin, Bahar

“…Parkinson's disease (PD) is a movement disorder caused by degeneration in dopaminergic neurons. During the disease course, most of PD patients develop mild…”
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Transcranial Magnetic Stimulation-Induced Plasticity Mechanisms: TMS-Related Gene Expression and Morphology Changes in a Human Neuron-Like Cell Model by Thomson, Alix C, Kenis, Gunter, Tielens, Sylvia, de Graaf, Tom A, Schuhmann, Teresa, Rutten, Bart P F, Sack, Alexander T

“…Transcranial Magnetic Stimulation (TMS) is a form of non-invasive brain stimulation, used to alter cortical excitability both in research and clinical…”
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On the Functional Relevance of Frontal Cortex for Passive and Voluntarily Controlled Bistable Vision by de Graaf, Tom A., de Jong, Maartje C., Goebel, Rainer, van Ee, Raymond, Sack, Alexander T.

“…In bistable vision, one constant ambiguous stimulus leads to 2 alternating conscious percepts. This perceptual switching occurs spontaneously but can also be…”
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