Research Output

  • 48 Article
  • 7 Conference contribution
  • 2 Doctoral Thesis
  • 1 Review Article
2020
1 Citation (Scopus)

Cost of focality in TDCS: Interindividual variability in electric fields

Mikkonen, M., Laakso, I., Tanaka, S. & Hirata, A., 2020, In : Brain Stimulation. 13, 1, p. 117-124 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
3 Citations (Scopus)
31 Downloads (Pure)

Group-level analysis of induced electric field in deep brain regions by different TMS coils

Gomez-Tames, J., Hamasaka, A., Hirata, A., Laakso, I., Lu, M. & Ueno, S., 16 Jan 2020, In : Physics in Medicine and Biology. 65, 2, 13 p., 025007.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Individualized Computational Modeling of Transcranial Direct Current Stimulation

Mikkonen, M., 2020, Aalto University. 134 p.

Research output: ThesisDoctoral ThesisCollection of Articles

Open Access

Non-invasive detection of compartment syndrome using radio frequency wave

Yazdandoost, K. Y. & Laakso, I., 1 Jan 2020, In : Progress In Electromagnetics Research M. 88, 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access

TMS activation site estimation using multiscale realistic head models

Gomez-Tames, J., Laakso, I., Murakami, T., Ugawa, Y. & Hirata, A., 2 Jun 2020, In : JOURNAL OF NEURAL ENGINEERING. 17, 3, 14 p.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)
2019

Can electric fields explain inter-individual variability in transcranial direct current stimulation of the motor cortex?

Laakso, I., Mikkonen, M., Koyama, S., Hirata, A. & Tanaka, S., 24 Jan 2019, In : Scientific Reports. 9, 1, 10 p., 626.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
22 Citations (Scopus)
161 Downloads (Pure)

Coil model comparison for cerebellar transcranial magnetic stimulation

Çan, M. K., Laakso, I., Nieminen, J. O., Murakami, T. & Ugawa, Y., 1 Jan 2019, In : Biomedical Physics and Engineering Express. 5, 1, 11 p., 015020.

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Comparison of numerical techniques for the evaluation of human exposure from measurement data

Conchin Gubernati, A., Freschi, F., Giaccone, L., Campi, T., De Santis, V. & Laakso, I., 1 Jun 2019, In : IEEE Transactions on Magnetics. 55, 6, 4 p., 8645819.

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

Effects of posture on electric fields of non-invasive brain stimulation

Mikkonen, M. & Laakso, I., 14 Mar 2019, In : Physics in Medicine and Biology. 64, 6, 13 p., 065019.

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Efficiently searching through large tACS parameter spaces using closed-loop Bayesian optimization

Lorenz, R., Simmons, L. E., Monti, R. P., Arthur, J. L., Limal, S., Laakso, I., Leech, R. & Violante, I. R., 2019, In : Brain Stimulation. 12, 6, p. 1484-1489 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
2 Citations (Scopus)
21 Downloads (Pure)

Group-level and functional-region analysis of electric-field shape during cerebellar transcranial direct current stimulation with different electrode montages

Gomez-Tames, J., Asai, A., Mikkonen, M., Laakso, I., Tanaka, S., Uehara, S., Otaka, Y. & Hirata, A., Jun 2019, In : JOURNAL OF NEURAL ENGINEERING. 16, 3, 13 p., 036001.

Research output: Contribution to journalArticleScientificpeer-review

Real-time estimation of electric fields induced by transcranial magnetic stimulation with deep neural networks

Yokota, T., Maki, T., Nagata, T., Murakami, T., Ugawa, Y., Laakso, I., Hirata, A. & Hontani, H., 2019, In : Brain Stimulation. 12, 6, p. 1500-1507 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
3 Citations (Scopus)
24 Downloads (Pure)

RF Field Based Detection of Compartment Syndrome

Yazdandoost, K. Y. & Laakso, I., 1 May 2019, 2019 13th International Symposium on Medical Information and Communication Technology, ISMICT 2019. 8743924. (International Symposium on Medical Information and Communication Technology; vol. 2019-May).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)
2018

A high-resolution computational localization method for transcranial magnetic stimulation mapping

Aonuma, S., Gomez-Tames, J., Laakso, I., Hirata, A., Takakura, T., Tamura, M. & Muragaki, Y., 15 May 2018, In : NeuroImage. 172, p. 85-93 9 p.

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

A multi-scale computational approach based on TMS experiments for the assessment of electro-stimulation thresholds of the brain at intermediate frequencies

Soldati, M., Mikkonen, M., Laakso, I., Murakami, T., Ugawa, Y. & Hirata, A., 9 Nov 2018, In : Physics in Medicine and Biology. 63, 22, 13 p., 225006.

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

Assessment of the induced electric fields in a carbon-fiber electrical vehicle equipped with a wireless power transfer system

De Santis, V., Campi, T., Cruciani, S., Laakso, I. & Feliziani, M., 25 Feb 2018, In : Energies. 11, 3, 9 p., 684.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
13 Citations (Scopus)
193 Downloads (Pure)

Atlas of optimal coil orientation and position for TMS: A computational study

Gomez-Tames, J., Hamasaka, A., Laakso, I., Hirata, A. & Ugawa, Y., Jul 2018, In : Brain Stimulation. 11, 4, p. 839-848

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)

Combined simulation of bioelectromagnetics and nerve activation and its application

Hirata, A., Laakso, I., Gomez-Tames, J. & Hontani, H., 1 Jan 2018, In : IEEJ Transactions on Fundamentals and Materials. 138, 6, p. 265-270 6 p.

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Computational Artifacts of the In Situ Electric Field in Anatomical Models Exposed to Low-Frequency Magnetic Field

Gomez-Tames, J., Laakso, I., Haba, Y., Hirata, A., Poljak, D. & Yamazaki, K., 2018, In : IEEE Transactions on Electromagnetic Compatibility. 60, 3, p. 589-597

Research output: Contribution to journalArticleScientificpeer-review

24 Citations (Scopus)

Computational low-frequency electromagnetic dosimetry based on magnetic field measurements

Arduino, A., Bottauscio, O., Chiampi, M., Laakso, I. & Zilberti, L., 1 Dec 2018, In : IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology. 2, 4, p. 302-309 8 p., 8456495.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

EMF exposure analysis for a compact multi-band 5G antenna

Yazdandoost, K. Y. & Laakso, I., 1 Jan 2018, In : Progress In Electromagnetics Research M. 68, p. 193-201 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
106 Downloads (Pure)

Hybrid FEM/BEM for human heads exposed to high frequency electromagnetic radiation

Dodig, H., Cvetković, M., Poljak, D., Hirata, A. & Laakso, I., 1 Jan 2018, In : WIT Transactions on the Built Environment. 174, p. 369-378 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
1 Citation (Scopus)
192 Downloads (Pure)

Intercomparison of in Situ Electric Fields in Human Models Exposed to Spatially Uniform Magnetic Fields

Aga, K., Hirata, A., Laakso, I., Tarao, H., Diao, Y., Ito, T., Sekiba, Y. & Yamazaki, K., 1 Jan 2018, In : IEEE Access. 6, p. 70964-70973 10 p., 8537883.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
6 Citations (Scopus)
142 Downloads (Pure)

Numerical modeling of electromagnetic field exposure from 5G mobile communications at 10 GHz

Yazdandoost, K. Y. & Laakso, I., 1 Jan 2018, In : Progress In Electromagnetics Research M. 72, p. 61-67 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
1 Citation (Scopus)

On the Use of Conformal Models and Methods in Dosimetry for Nonuniform Field Exposure

Poljak, D., Cvetkovic, M., Bottauscio, O., Hirata, A., Laakso, I., Neufeld, E., Reboux, S., Warren, C., Giannopolous, A. & Costen, F., Apr 2018, In : IEEE Transactions on Electromagnetic Compatibility. 60, 2, p. 328-337

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

Relationship between In-Situ Electric Field and External Magnetic Field Strength in Human Models-Rational of IEEE C95.6 Standard Revisited

Aga, K., Hirata, A. & Laakso, I., 5 Oct 2018, Proceedings of the 2018 International Symposium on Electromagnetic Compatibility, EMC Europe 2018. IEEE, Vol. 2018-August. p. 515-520 6 p. 8485010. (IEEE International Symposium on Electromagnetic Compatibility).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2 Citations (Scopus)

Relationship of external field strength with local and whole-body averaged specific absorption rates in anatomical human models

Taguchi, K., Laakso, I., Aga, K., Hirata, A., Diao, Y., Chakarothai, J. & Kashiwa, T., 1 Jan 2018, In : IEEE Access. 6, p. 70186-70196 11 p., 8532369.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
2 Citations (Scopus)
101 Downloads (Pure)

Risk evaluation of heat stroke with multiphysics computation and its application

Hirata, A., Hasegawa, K., Kodera, S., Laakso, I., Egawa, R., Horie, Y., Yazaki, N., Taguchi, K. & Kashiwa, T., 1 Jan 2018, In : IEEJ Transactions on Fundamentals and Materials. 138, 6, p. 288-294 7 p.

Research output: Contribution to journalReview ArticleScientificpeer-review

1 Citation (Scopus)

Risk Management of Heatstroke Based on Fast Computation of Temperature and Water Loss using Weather Data for Exposure to Ambient Heat and Solar Radiation

Kojima, K., Hirata, A., Hasegawa, K., Kodera, S., Laakso, I., Sasaki, D., Yamashita, T., Egawa, R., Horie, Y., Yazaki, N., Kowata, S., Taguchi, K. & Kashiwa, T., 2018, In : IEEE Access. 6, p. 3774-3785 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
6 Citations (Scopus)
98 Downloads (Pure)

TMS motor thresholds correlate with TDCS electric field strengths in hand motor area

Mikkonen, M., Laakso, I., Sumiya, M., Koyama, S., Hirata, A. & Tanaka, S., 25 Jun 2018, In : Frontiers in Neuroscience. 12, JUN, 10 p., 426.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
13 Citations (Scopus)
137 Downloads (Pure)

Where and what TMS activates: Experiments and modeling

Laakso, I., Murakami, T., Hirata, A. & Ugawa, Y., 2018, In : Brain Stimulation. 11, 1, p. 166-174 9 p.

Research output: Contribution to journalArticleScientificpeer-review

28 Citations (Scopus)
2017

Computational Dosimetry of the Human Head Exposed to Near-Field Microwaves Using Measured Blood Flow

Laakso, I., Morimoto, R., Hirata, A. & Onishi, T., 2017, In : IEEE Transactions on Electromagnetic Compatibility. 59, 2, p. 739-746 8 p.

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)

Derivation of Coupling Factors for Different Wireless Power Transfer Systems: Inter-and Intralaboratory Comparison

Wake, K., Laakso, I., Hirata, A., Chakarothai, J., Onishi, T., Watanabe, S., De Santis, V., Feliziani, M. & Taki, M., 1 Apr 2017, In : IEEE Transactions on Electromagnetic Compatibility. 59, 2, p. 677-685 9 p., 7801935.

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Evaluation method for in situ electric field in standardized human brain for different transcranial magnetic stimulation coils

Iwahashi, M., Gomez-Tames, J., Laakso, I. & Hirata, A., 21 Feb 2017, In : Physics in Medicine and Biology. 62, 6, p. 2224-2238 15 p.

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Human exposure to pulsed fields in the frequency range from 6 to 100 GHz

Laakso, I., Morimoto, R., Heinonen, J., Jokela, K. & Hirata, A., 9 Aug 2017, In : Physics in Medicine and Biology. 62, 17, p. 6980-6992 13 p.

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

Modelling of induced electric fields based on incompletely known magnetic fields

Laakso, I., De Santis, V., Cruciani, S., Campi, T. & Feliziani, M., 28 Jul 2017, In : Physics in Medicine and Biology. 62, 16, p. 6567-6578 12 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

On the averaging area for incident power density for human exposure limits at frequencies over 6 GHz

Hashimoto, Y., Hirata, A., Morimoto, R., Aonuma, S., Laakso, I., Jokela, K. & Foster, K. R., 21 Mar 2017, In : Physics in Medicine and Biology. 62, 8, p. 3124-3138 15 p.

Research output: Contribution to journalArticleScientificpeer-review

34 Citations (Scopus)

Sub-Voxel Refinement Method for Tissue Boundary Conductivities in Volume Conductor Models

Mikkonen, M. & Laakso, I., 2017, In : The Radio Science Bulletin. 360, p. 13-18 5 p.

Research output: Contribution to journalArticleScientificpeer-review

The Effect of Dual-Hemisphere Transcranial Direct Current Stimulation Over the Parietal Operculum on Tactile Orientation Discrimination

Fujimoto, S., Tanaka, S., Laakso, I., Yamaguchi, T., Kon, N., Nakayama, T., Kondo, K. & Kitada, R., 20 Sep 2017, In : FRONTIERS IN BEHAVIORAL NEUROSCIENCE. 11, 11 p., 173.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
4 Citations (Scopus)
122 Downloads (Pure)

Time constants for temperature elevation in human models exposed to dipole antennas and beams in the frequency range from 1 to 30 GHz

Morimoto, R., Hirata, A., Laakso, I., Ziskin, M. C. & Foster, K. R., 6 Feb 2017, In : Physics in Medicine and Biology. 62, 5, p. 1676-1699 24 p.

Research output: Contribution to journalArticleScientificpeer-review

19 Citations (Scopus)

Variability in TDCS electric fields: Effects of electrode size and configuration

Laakso, I., Tanaka, S., Mikkonen, M., Koyama, S. & Hirata, A., 2017, Proceedings of the 2017 23nd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) . IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)
2016

Dielectric polarization transients in biological tissue moving in a static magnetic field

Jokela, K. & Laakso, I., 1 Sep 2016, In : Bioelectromagnetics. 37, 6, p. 409-422 14 p.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Effect of microscopic modeling of skin in electrical and thermal analysis of transcranial direct current stimulation

Gomez-Tames, J., Sugiyama, Y., Laakso, I., Tanaka, S., Koyama, S., Sadato, N. & Hirata, A., 29 Nov 2016, In : Physics in Medicine and Biology. 61, 24, p. 8825-8838 14 p.

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Electric fields of motor and frontal tDCS in a standard brain space: A computer simulation study

Laakso, I., Tanaka, S., Mikkonen, M., Koyama, S., Sadato, N. & Hirata, A., 15 Aug 2016, In : NeuroImage. 137, p. 140-151 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
47 Citations (Scopus)
134 Downloads (Pure)

Evaluation method for in-situ electric field of different TMS coils in human brain

Hirata, A., Iwahashi, M. & Laakso, I., 19 Sep 2016, Proceedings of the 2016 URSI Commission B International Symposium on Electromagnetic Theory, EMTS 2016 . IEEE, p. 542-544 3 p. 7571449. (URSI International Symposium on Electromagnetic Theory).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)

Relationship between peak spatial-averaged specific absorption rate and peak temperature elevation in human head in frequency range of 1-30 GHz

Morimoto, R., Laakso, I., De Santis, V. & Hirata, A., 1 Jul 2016, In : Physics in Medicine and Biology. 61, 14, p. 5406-5425 20 p.

Research output: Contribution to journalArticleScientificpeer-review

19 Citations (Scopus)

Sub-Voxel Refinement Method for Tissue Boundary Conductivities in Volume Conductor Models

Mikkonen, M. & Laakso, I., 2016, Proceedings of the 2016 URSI Commission B International Symposium on Electromagnetic Theory, EMTS 2016. IEEE, p. 579 - 582 (URSI International Symposium on Electromagnetic Theory).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)

Thresholds of central nervous system stimulation at intermediate frequencies

Laakso, I. & Murakami, T., 19 Oct 2016, 2016 URSI Asia-Pacific Radio Science Conference, URSI AP-RASC 2016. IEEE, p. 733-736 4 p. 7601395

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Why intra-epidermal electrical stimulation achieves stimulation of small fibres selectively: A simulation study

Motogi, J., Sugiyama, Y., Laakso, I., Hirata, A., Inui, K., Tamura, M. & Muragaki, Y., 25 May 2016, In : Physics in Medicine and Biology. 61, 12, p. 4479-4490 12 p.

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)