Alexander Opitz

20112023
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Research Output 2011 2019

2019
4 Citations (Scopus)

Blinding is compromised for transcranial direct current stimulation at 1 mA for 20 min in young healthy adults

Turi, Z., Csifcsák, G., Boayue, N. M., Aslaksen, P., Antal, A., Paulus, W., Groot, J., Hawkins, G. E., Forstmann, B., Opitz, A., Thielscher, A. & Mittner, M., Jan 1 2019, In : European Journal of Neuroscience.

Research output: Contribution to journalArticle

Young Adult
Cognition
Volunteers
Transcranial Direct Current Stimulation
Brain
3 Citations (Scopus)

Brain state and polarity dependent modulation of brain networks by transcranial direct current stimulation

Li, L. M., Violante, I. R., Leech, R., Ross, E., Hampshire, A., Opitz, A., Rothwell, J. C., Carmichael, D. W. & Sharp, D. J., Feb 15 2019, In : Human Brain Mapping. 40, 3, p. 904-915 12 p.

Research output: Contribution to journalArticle

Brain
Task Performance and Analysis
Prefrontal Cortex
Cognition
Transcranial Direct Current Stimulation
3 Citations (Scopus)

Cognitive enhancement with Salience Network electrical stimulation is influenced by network structural connectivity

Li, L. M., Violante, I. R., Leech, R., Hampshire, A., Opitz, A., McArthur, D., Carmichael, D. W. & Sharp, D. J., Jan 15 2019, In : NeuroImage. 185, p. 425-433 9 p.

Research output: Contribution to journalArticle

Electric Stimulation
Anisotropy
Task Performance and Analysis
Prefrontal Cortex
Transcranial Direct Current Stimulation

Commentary: Transcranial stimulation of the frontal lobes increases propensity of mind-wandering without changing meta-awareness

Csifcsák, G., Boayue, N. M., Aslaksen, P. M., Turi, Z., Antal, A., Groot, J., Hawkins, G. E., Forstmann, B. U., Opitz, A., Thielscher, A. & Mittner, M., Feb 5 2019, In : Frontiers in Psychology. 10, FEB, 130.

Research output: Contribution to journalComment/debate

Bayes Theorem
Frontal Lobe
2 Citations (Scopus)

Comparative modeling of transcranial magnetic and electric stimulation in mouse, monkey, and human

Alekseichuk, I., Mantell, K., Shirinpour, S. & Opitz, A., Jul 1 2019, In : NeuroImage. 194, p. 136-148 13 p.

Research output: Contribution to journalArticle

Transcranial Magnetic Stimulation
Electric Stimulation
Haplorhini
Brain
Head

Electric field dynamics in the brain during multi-electrode transcranial electric stimulation

Alekseichuk, I., Falchier, A. Y., Linn, G., Xu, T., Milham, M. P., Schroeder, C. E. & Opitz, A., Dec 2019, In : Nature communications.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Increasing propensity to mind-wander by transcranial direct current stimulation? A registered report

Boayue, N. M., Csifcsák, G., Aslaksen, P., Turi, Z., Antal, A., Groot, J., Hawkins, G. E., Forstmann, B., Opitz, A., Thielscher, A. & Mittner, M., Jan 1 2019, In : European Journal of Neuroscience.

Research output: Contribution to journalArticle

Sample Size
Brain
Prefrontal Cortex
Cognition
Meta-Analysis
2018
6 Citations (Scopus)

Delineating the Macroscale Areal Organization of the Macaque Cortex In Vivo

Xu, T., Falchier, A., Sullivan, E. L., Linn, G., Ramirez, J. S. B., Ross, D., Feczko, E., Opitz, A., Bagley, J., Sturgeon, D., Earl, E., Miranda-Domínguez, O., Perrone, A., Craddock, R. C., Schroeder, C. E., Colcombe, S., Fair, D. A. & Milham, M. P., Apr 10 2018, In : Cell reports. 23, 2, p. 429-441 13 p.

Research output: Contribution to journalArticle

Macaca
Brain
Dermatoglyphics
Organizations
Histology
8 Citations (Scopus)

Immediate neurophysiological effects of transcranial electrical stimulation

Liu, A., Vöröslakos, M., Kronberg, G., Henin, S., Krause, M. R., Huang, Y., Opitz, A., Mehta, A., Pack, C. C., Krekelberg, B., Berényi, A., Parra, L. C., Melloni, L., Devinsky, O. & Buzsáki, G., Dec 1 2018, In : Nature communications. 9, 1, 5092.

Research output: Contribution to journalReview article

stimulation
Brain
Design of experiments
Animals
Experiments
7 Citations (Scopus)

On the importance of precise electrode placement for targeted transcranial electric stimulation

Opitz, A., Yeagle, E., Thielscher, A., Schroeder, C., Mehta, A. D. & Milham, M. P., Nov 1 2018, In : NeuroImage. 181, p. 560-567 8 p.

Research output: Contribution to journalArticle

Electric Stimulation
Electrodes
Epilepsy
Guidelines
Brain
2017
5 Citations (Scopus)

5 kHz transcranial alternating current stimulation: Lack of cortical excitability changes when grouped in a theta burst pattern

Kunz, P., Antal, A., Hewitt, M., Neef, A., Opitz, A. & Paulus, W., Jan 10 2017, In : Frontiers in Human Neuroscience. 10, 683.

Research output: Contribution to journalArticle

Evoked Potentials
Healthy Volunteers
Muscles
Motor Cortex
Cross-Over Studies
16 Citations (Scopus)

Limitations of ex vivo measurements for in vivo neuroscience

Opitz, A., Falchier, A., Linn, G. S., Milham, M. P. & Schroeder, C. E., May 16 2017, In : Proceedings of the National Academy of Sciences of the United States of America. 114, 20, p. 5243-5246 4 p.

Research output: Contribution to journalArticle

Neurosciences
Brain
Cadaver
Electric Stimulation
Biophysical Phenomena
1 Citation (Scopus)

No implant needed

Opitz, A. & Tyler, W. J., Aug 1 2017, In : Nature Biomedical Engineering. 1, 8, p. 632-633 2 p.

Research output: Contribution to journalShort survey

Polarity-independent effects of tDCS on paired associative stimulation-induced plasticity

Faber, H., Opitz, A., Müller-Dahlhaus, F. & Ziemann, U., Nov 1 2017, In : Brain Stimulation. 10, 6, p. 1061-1069 9 p.

Research output: Contribution to journalArticle

Motor Cortex
Motor Evoked Potentials
Electrodes
Transcranial Direct Current Stimulation
Hand
2016
27 Citations (Scopus)

An integrated framework for targeting functional networks via transcranial magnetic stimulation

Opitz, A., Fox, M. D., Craddock, R. C., Colcombe, S. & Milham, M. P., Feb 15 2016, In : NeuroImage. 127, p. 86-96 11 p.

Research output: Contribution to journalArticle

Transcranial Magnetic Stimulation
Prefrontal Cortex
Connectome
Head
Magnetic Resonance Imaging
18 Citations (Scopus)

Assessing Variations in Areal Organization for the Intrinsic Brain: From Fingerprints to Reliability

Xu, T., Opitz, A., Craddock, R. C., Wright, M. J., Zuo, X. N. & Milham, M. P., Oct 1 2016, In : Cerebral Cortex. 26, 11, p. 4192-4211 20 p.

Research output: Contribution to journalArticle

Dermatoglyphics
Organizations
Magnetic Resonance Imaging
Brain
Reproducibility of Results
50 Citations (Scopus)

Repetitive magnetic stimulation induces plasticity of inhibitory synapses

Lenz, M., Galanis, C., M�ller-Dahlhaus, F., Opitz, A., Wierenga, C. J., Szab�, G., Ziemann, U., Deller, T., Funke, K. & Vlachos, A., Jan 1 2016, In : Nature Communications. 7, 10020.

Research output: Contribution to journalArticle

synapses
Transcranial Magnetic Stimulation
stimulation
plastic properties
Synapses
73 Citations (Scopus)

Spatiotemporal structure of intracranial electric fields induced by transcranial electric stimulation in humans and nonhuman primates

Opitz, A., Falchier, A., Yan, C. G., Yeagle, E. M., Linn, G. S., Megevand, P., Thielscher, A., Deborah, R. A., Milham, M. P., Mehta, A. D. & Schroeder, C. E., Aug 18 2016, In : Scientific reports. 6, 31236.

Research output: Contribution to journalArticle

Primates
Electric Stimulation
Brain
Electroencephalography
Cebus
17 Citations (Scopus)

Transcranial alternating current stimulation modulates spontaneous low frequency fluctuations as measured with fMRI

Cabral-Calderin, Y., Williams, K. A., Opitz, A., Dechent, P. & Wilke, M., Nov 1 2016, In : NeuroImage. 141, p. 88-107 20 p.

Research output: Contribution to journalArticle

Magnetic Resonance Imaging
Parietal Lobe
Occipital Lobe
Transcranial Direct Current Stimulation
Electrodes
2015
159 Citations (Scopus)

Determinants of the electric field during transcranial direct current stimulation

Opitz, A., Paulus, W., Will, S., Antunes, A. & Thielscher, A., Apr 1 2015, In : NeuroImage. 109, p. 140-150 11 p.

Research output: Contribution to journalArticle

Electrodes
Skull
Motor Cortex
Head
Anisotropy
9 Citations (Scopus)

Is sham cTBS real cTBS? The effect on EEG dynamics

Opitz, A., Legon, W., Mueller, J. K., Barbour, A., Paulus, W. & Tyler, W. J., Jan 8 2015, In : Frontiers in Human Neuroscience. 8, JAN, 1043.

Research output: Contribution to journalArticle

Somatosensory Evoked Potentials
Electroencephalography
Transcranial Magnetic Stimulation
Frontal Lobe
Prefrontal Cortex
41 Citations (Scopus)

The precision of value-based choices depends causally on fronto-parietal phase coupling

Polanía, R., Moisa, M., Opitz, A., Grueschow, M. & Ruff, C. C., Aug 20 2015, In : Nature communications. 6, 8090.

Research output: Contribution to journalArticle

Parietal Lobe
Brain
Prefrontal Cortex
Reward
Meals
8 Citations (Scopus)

Transcranial direct current stimulation over the left prefrontal cortex increases randomness of choice in instrumental learning

Turi, Z., Mittner, M., Opitz, A., Popkes, M., Paulus, W. & Antal, A., Feb 1 2015, In : Cortex. 63, p. 145-154 10 p.

Research output: Contribution to journalArticle

Operant Conditioning
Prefrontal Cortex
Learning
Corpus Striatum
Transcranial Direct Current Stimulation
2014
35 Citations (Scopus)

Impact of transcranial direct current stimulation on fatigue in multiple sclerosis

Saiote, C., Goldschmidt, T., Timäus, C., Steenwijk, M. D., Opitz, A., Antal, A., Paulus, W. & Nitsche, M. A., Jan 1 2014, In : Restorative Neurology and Neuroscience. 32, 3, p. 423-436 14 p.

Research output: Contribution to journalArticle

Multiple Sclerosis
Fatigue
Frontal Lobe
Transcranial Direct Current Stimulation
Prefrontal Cortex
14 Citations (Scopus)

Safety of 5 kHz tACS

Chaieb, L., Antal, A., Pisoni, A., Saiote, C., Opitz, A., Ambrus, G. G., Focke, N. & Paulus, W., Jan 1 2014, In : Brain Stimulation. 7, 1, p. 92-96 5 p.

Research output: Contribution to journalArticle

Phosphopyruvate Hydratase
Safety
Electroencephalography
Motor Cortex
Healthy Volunteers
86 Citations (Scopus)

TDCS increases cortical excitability: Direct evidence from TMS-EEG

Romero Lauro, L. J., Rosanova, M., Mattavelli, G., Convento, S., Pisoni, A., Opitz, A., Bolognini, N. & Vallar, G., Jan 1 2014, In : Cortex. 58, p. 99-111 13 p.

Research output: Contribution to journalArticle

Transcranial Magnetic Stimulation
Electroencephalography
Parietal Lobe
Transcranial Direct Current Stimulation
Cortical Excitability
51 Citations (Scopus)

Transcranial focused ultrasound modulates intrinsic and evoked EEG dynamics

Mueller, J., Legon, W., Opitz, A., Sato, T. & Tyler, W. J., Nov 1 2014, In : Brain Stimulation. 7, 6, p. 900-908 9 p.

Research output: Contribution to journalArticle

Electroencephalography
Skull
Somatosensory Cortex
Somatosensory Evoked Potentials
Brain
230 Citations (Scopus)

Transcranial focused ultrasound modulates the activity of primary somatosensory cortex in humans

Legon, W., Sato, T., Opitz, A., Mueller, J. K., Barbour, A., Williams, A. & Tyler, W. J., Feb 1 2014, In : Nature Neuroscience. 17, 2, p. 322-329 8 p.

Research output: Contribution to journalArticle

Somatosensory Cortex
Brain
Somatosensory Evoked Potentials
Median Nerve
Acoustics
30 Citations (Scopus)

Validating computationally predicted TMS stimulation areas using direct electrical stimulation in patients with brain tumors near precentral regions

Opitz, A., Zafar, N., Bockermann, V., Rohde, V. & Paulus, W., Jan 1 2014, In : NeuroImage: Clinical. 4, p. 500-507 8 p.

Research output: Contribution to journalArticle

Transcranial Magnetic Stimulation
Brain Neoplasms
Electric Stimulation
Brain
Motor Evoked Potentials
2013
158 Citations (Scopus)
Head
Brain
Computer Graphics
Transcranial Magnetic Stimulation
Skull
6 Citations (Scopus)

Ohm's law and tDCS over the centuries

Paulus, W. & Opitz, A., Mar 1 2013, In : Clinical Neurophysiology. 124, 3, p. 429-430 2 p.

Research output: Contribution to journalEditorial

Electric Stimulation Therapy
Electric Stimulation
Brain
Transcranial Direct Current Stimulation
83 Citations (Scopus)

Physiological observations validate finite element models for estimating subject-specific electric field distributions induced by transcranial magnetic stimulation of the human motor cortex

Opitz, A., Legon, W., Rowlands, A., Bickel, W. K., Paulus, W. & Tyler, W. J., Nov 1 2013, In : NeuroImage. 81, p. 253-264 12 p.

Research output: Contribution to journalArticle

Transcranial Magnetic Stimulation
Motor Cortex
Motor Evoked Potentials
Anisotropy
Structural Models
2012
3 Citations (Scopus)

Electric field calculations in brain stimulation: The importance of geometrically accurate head models

Thielscher, A., Opitz, A., Will, S. & Windhoff, M., Jan 1 2012, In : Biomedizinische Technik. 57, SI-1 Track-M, 1 p.

Research output: Contribution to journalArticle

Brain
Electric fields
33 Citations (Scopus)

Pulsed Ultrasound Differentially Stimulates Somatosensory Circuits in Humans as Indicated by EEG and fMRI

Legon, W., Rowlands, A., Opitz, A., Sato, T. & Tyler, W. J., Dec 4 2012, In : PloS one. 7, 12, e51177.

Research output: Contribution to journalArticle

evoked potentials
Electroencephalography
Ultrasonics
Magnetic Resonance Imaging
brain
2011
138 Citations (Scopus)

How the brain tissue shapes the electric field induced by transcranial magnetic stimulation

Opitz, A., Windhoff, M., Heidemann, R. M., Turner, R. & Thielscher, A., Oct 1 2011, In : NeuroImage. 58, 3, p. 849-859 11 p.

Research output: Contribution to journalArticle

Transcranial Magnetic Stimulation
Brain
Anisotropy
Lip
Crowns
169 Citations (Scopus)

Impact of the gyral geometry on the electric field induced by transcranial magnetic stimulation

Thielscher, A., Opitz, A. & Windhoff, M., Jan 1 2011, In : NeuroImage. 54, 1, p. 234-243 10 p.

Research output: Contribution to journalArticle

Transcranial Magnetic Stimulation
Skull
Cerebrospinal Fluid
Motor Cortex
Lip