I. Laakso

发表

Variability of SAR in different human models due to wireless power transfer with magnetic resonance

A. Hirata, S. Tsuchida, I. Laakso, 2013, 2013 International Symposium on Electromagnetic Compatibility.

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

Satoshi Tanaka, A. Hirata, I. Laakso, 2019, Scientific Reports.

Cost of focality in TDCS: Interindividual variability in electric fields

Satoshi Tanaka, A. Hirata, I. Laakso, 2020, Brain Stimulation.

Reducing the staircasing error in computational dosimetry of low-frequency electromagnetic fields

A. Hirata, I. Laakso, 2012, Physics in medicine and biology.

HYBRID FEM/BEM FOR HUMAN HEADS EXPOSED TO HIGH FREQUENCY ELECTROMAGNETIC RADIATION

A. Hirata, I. Laakso, D. Poljak, 2017 .

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

K. Jokela, I. Laakso, 2016, Bioelectromagnetics.

An equivalent skin conductivity model for low-frequency magnetic field dosimetry

A. Hirata, I. Laakso, Xi Lin Chen, 2015 .

Compliance of induced quantities in human model for wireless power transfer system at 10 MHz

A. Hirata, I. Laakso, T. Sunohara, 2013, 2013 International Symposium on Electromagnetic Theory.

Computational estimation of threshold currents for electrophosphenes

A. Hirata, I. Laakso, 2013, 2013 International Symposium on Electromagnetic Theory.

Computational dosimetry of induced electric fields during realistic movements in the vicinity of a 3 T MRI scanner.

K. Jokela, I. Laakso, Sami Kännälä, 2013, Physics in medicine and biology.

Fast Computational Method for Human Dosimetry due to Wireless Power Transfer with Magnetic Resonance

A. Hirata, S. Tsuchida, I. Laakso, 2013 .

Computational analysis of thresholds for magnetophosphenes

A. Hirata, I. Laakso, 2012, Physics in medicine and biology.

Dominant Factors Affecting Temperature Elevation in Adult and Child Models Exposed to Solar Radiation in Hot Environment

A. Hirata, I. Laakso, M. Kojima, 2011 .

Inter-subject Variability in Electric Fields of Motor Cortical tDCS

Satoshi Tanaka, A. Hirata, I. Laakso, 2015, Brain Stimulation.

Where and what TMS activates: Experiments and modeling

I. Laakso, Y. Ugawa, T. Murakami, 2018, Brain Stimulation.

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

A. Hirata, I. Laakso, J. Gómez-Tames, 2018, Brain Stimulation.

Effects of coil orientation on the electric field induced by TMS over the hand motor area

Akimasa Hirata, Yoshikazu Ugawa, Ilkka Laakso, 2014, Physics in medicine and biology.

Risk Evaluation of Heat Stroke with Multiphysics Computation and its Application

Ilkka Laakso, Ryusuke Egawa, Tatsuya Kashiwa, 2018, IEEJ Transactions on Fundamentals and Materials.

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

A. Hirata, I. Laakso, Katsuaki Aga, 2018, 2018 International Symposium on Electromagnetic Compatibility (EMC EUROPE).

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

Akimasa Hirata, Ilkka Laakso, Valerio De Santis, 2016, Physics in medicine and biology.

Evaluation of the induced electric field and compliance procedure for a wireless power transfer system in an electrical vehicle.

Akimasa Hirata, Ilkka Laakso, A. Hirata, 2013, Physics in medicine and biology.

The relationship between specific absorption rate and temperature elevation in anatomically based human body models for plane wave exposure from 30 MHz to 6 GHz

Joe Wiart, Akimasa Hirata, Ilkka Laakso, 2013, Physics in medicine and biology.

Estimation of the whole-body averaged SAR of grounded human models for plane wave exposure at respective resonance frequencies.

Joe Wiart, Soichi Watanabe, Akimasa Hirata, 2012, Physics in medicine and biology.

Uncertainty in computational RF dosimetry

I. Laakso, 2011 .

Comparison of SAR calculation algorithms for the finite-difference time-domain method.

Sami Ilvonen, Ilkka Laakso, Tero Uusitupa, 2010, Physics in medicine and biology.

SAR variation study from 300 to 5000 MHz for 15 voxel models including different postures

I. Laakso, S. Ilvonen, K. Nikoskinen, 2010, Physics in medicine and biology.

Performance of convolutional PML absorbing boundary conditions in finite-difference time-domain SAR calculations

Sami Ilvonen, Ilkka Laakso, Tero Uusitupa, 2007, Physics in medicine and biology.

FDTD METHOD IN ASSESSMENT OF HUMAN EXPOSURE TO BASE STATION RADIATION

Teknillinen Korkeakoulu, Ilkka Laakso, Tero Uusitupa, 2007 .

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

K. Jokela, K. Foster, A. Hirata, 2017, Physics in medicine and biology.

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

Akimasa Hirata, Ilkka Laakso, Kari Jokela, 2017, Physics in medicine and biology.

Assessment of the computational uncertainty of temperature rise and SAR in the eyes and brain under far-field exposure from 1 to 10 GHz

Ilkka Laakso, I. Laakso, 2009, Physics in medicine and biology.

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

A. Hirata, I. Laakso, T. Onishi, 2017, IEEE Transactions on Electromagnetic Compatibility.

Computational estimation of magnetically induced electric fields in a rotating head

Sami Ilvonen, Ilkka Laakso, I. Laakso, 2009, Physics in medicine and biology.

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

Akimasa Hirata, Yoshihiro Muragaki, Koji Inui, 2016, Physics in medicine and biology.

Nonuniform Exposure to the Cornea from Millimeter Waves.

K. Foster, I. Laakso, S. Chalfin, 2021, Health physics.

Temperature elevation in the human body model for RF plane-wave exposure

A. Hirata, I. Laakso, R. Hanatani, 2012, 2012 International Symposium on Antennas and Propagation (ISAP).

Dominant factors affecting temperature rise in simulations of human thermoregulation during RF exposure

Akimasa Hirata, Ilkka Laakso, A. Hirata, 2011, Physics in medicine and biology.

Computational Low-Frequency Electromagnetic Dosimetry Based on Magnetic Field Measurements

M. Chiampi, I. Laakso, L. Zilberti, 2018, IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology.

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

R. Kitada, Satoshi Tanaka, I. Laakso, 2017, Front. Behav. Neurosci..

Murakami T, Kell C,Restle J, Ugawa Y, Ziemann U Left dorsal speech stream components and their contribution to phonological processing. J Neurosci (in press)

S. Groiss, R. Hanajima, A. Hirata, 2014 .

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

A. Hirata, I. Laakso, M. Mikkonen, 2018, Physics in medicine and biology.

Computation of induced electric field for the sacral nerve activation.

A. Hirata, I. Laakso, J. Hattori, 2013, Physics in medicine and biology.

TMS activation site estimation using multiscale realistic head models

A. Hirata, I. Laakso, J. Gómez-Tames, 2020, Journal of neural engineering.

Computational estimation of decline in sweating in the elderly from measured body temperatures and sweating for passive heat exposure

Akimasa Hirata, Ilkka Laakso, Tomoki Nomura, 2012, Physiological measurement.

Electric field dependent effects of motor cortical TDCS

Satoshi Tanaka, A. Hirata, I. Laakso, 2018, bioRxiv.

EMF Exposure Analysis for a Compact Multi-Band 5G Antenna

I. Laakso, K. Y. Yazdandoost, 2018 .

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

I. Laakso, K. Y. Yazdandoost, 2018 .

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

A. Hirata, I. Laakso, M. Iwahashi, 2016, 2016 URSI International Symposium on Electromagnetic Theory (EMTS).

Coil model comparison for cerebellar transcranial magnetic stimulation

Jaakko O. Nieminen, I. Laakso, Y. Ugawa, 2018, Biomedical Physics & Engineering Express.

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

A. Hirata, I. Laakso, J. Gómez-Tames, 2019, bioRxiv.

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

N. Sadato, Satoshi Tanaka, A. Hirata, 2016, Physics in medicine and biology.

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

N. Sadato, Satoshi Tanaka, A. Hirata, 2017 .

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

Satoshi Tanaka, A. Hirata, I. Laakso, 2017, 2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS).

Sub-voxel refinement method for tissue boundary conductivities in volume conductor models

I. Laakso, M. Mikkonen, 2016, 2016 URSI International Symposium on Electromagnetic Theory (EMTS).

FDTD computation of temperature elevation in the head model due to dipole antenna with measured blood flow rate

A. Hirata, I. Laakso, Shunya Ota, 2014, 2014 Asia-Pacific Microwave Conference.

FDTD analysis of temperature elevation in the human and rabbit phantoms due to plane-wave exposure at 2.45GHz

A. Hirata, I. Laakso, T. Oizumi, 2012, International Symposium on Electromagnetic Compatibility - EMC EUROPE.

Modelling the SAR and thermoregulatory response during far-field RF exposure

A. Hirata, I. Laakso, 2012, 2012 Asia-Pacific Symposium on Electromagnetic Compatibility.

Inter-individual variations in electric fields induced in the brain by exposure to uniform magnetic fields at 50 Hz

I. Laakso, T. Murakami, M. Soldati, 2020, Physics in medicine and biology.

Computational dosimetry for child and adult human models due to contact current from 10 Hz to 110 MHz.

A. Hirata, I. Laakso, Yukihisa Suzuki, 2015, Radiation protection dosimetry.

Assessment of Human Exposure to Electromagnetic Fields: Review and Future Directions

W. Kainz, Seungyoung Ahn, Ji Chen, 2021 .

Assessment of Human Exposure to Electromagnetic Fields: Review and Future Directions

W. Kainz, Seungyoung Ahn, Ji Chen, 2021, IEEE Transactions on Electromagnetic Compatibility.

Computational errors of the induced electric field in voxelized and tetrahedral anatomical head models exposed to spatially uniform and localized magnetic fields

I. Laakso, M. Soldati, 2019, Physics in medicine and biology.

Estimation method for the anisotropic electrical conductivity of in vivo human muscles and fat between 10 kHz and 1 MHz

I. Laakso, Otto Kangasmaa, 2022, Physics in medicine and biology.

Effect of Incidence Angle on the Spatial-Average of Incident Power Density Definition to Correlate Skin Temperature Rise for Millimeter Wave Exposures

Walid El Hajj, A. Hirata, I. Laakso, 2021, IEEE Transactions on Electromagnetic Compatibility.

Review on biophysical modelling and simulation studies for transcranial magnetic stimulation

Ilkka Laakso, Jose Gomez-Tames, Akimasa Hirata, 2020, Physics in medicine and biology.

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

Akimasa Hirata, Ilkka Laakso, Marko Mikkonen, 2019, Journal of neural engineering.

A 50 Hz magnetic field affects hemodynamics, ECG and vascular endothelial function in healthy adults: A pilot randomized controlled trial.

I. Laakso, H. Okano, Tsukasa Kondo, 2021, PloS one.

Multi-scale simulations predict responses to non-invasive nerve root stimulation

Akimasa Hirata, Yasuo Terao, Yoshikazu Ugawa, 2014, Journal of neural engineering.

On the issues related to compliance of LF pulsed exposures with safety standards and guidelines

Akimasa Hirata, Ilkka Laakso, Valerio De Santis, 2013, Physics in medicine and biology.

Analysis of in situ electric field and specific absorption rate in human models for wireless power transfer system with induction coupling.

Teruo Onishi, Akimasa Hirata, Ilkka Laakso, 2014, Physics in medicine and biology.

Confirmation of quasi-static approximation in SAR evaluation for a wireless power transfer system

Akimasa Hirata, Ilkka Laakso, A. Hirata, 2013, Physics in medicine and biology.

Evaluation of SAR in a human body model due to wireless power transmission in the 10 MHz band

Akimasa Hirata, Ilkka Laakso, Yoshitsugu Kamimura, 2012, Physics in medicine and biology.

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

Robert Leech, Ilkka Laakso, Romy Lorenz, 2019, Brain Stimulation.

Functional relevance of the extrastriate body area for visual and haptic object recognition: a preregistered fMRI-guided TMS study

R. Kitada, Satoshi Tanaka, I. Laakso, 2023, Cerebral cortex communications.

Magneto- and electrophosphene thresholds in the retina: a dosimetry modeling study

I. Laakso, Janita Nissi, 2021, Physics in medicine and biology.

Assessing tACS-induced phosphene perception using closed-loop Bayesian optimization

Ricardo Pio Monti, Ilkka Laakso, Robert Leech, 2017, bioRxiv.

Computational analysis shows why transcranial alternating current stimulation induces retinal phosphenes

Akimasa Hirata, Ilkka Laakso, A. Hirata, 2013, Journal of neural engineering.

Relationship of External Field Strength With Local and Whole-Body Averaged Specific Absorption Rates in Anatomical Human Models

Akimasa Hirata, Tatsuya Kashiwa, Yinliang Diao, 2018, IEEE Access.

Human exposure to radiofrequency energy above 6 GHz: review of computational dosimetry studies

Soichi Watanabe, Akimasa Hirata, Kensuke Sasaki, 2020, Physics in medicine and biology.

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

Akimasa Hirata, Ilkka Laakso, Kenneth R Foster, 2017, Physics in medicine and biology.

Computational estimation of body temperature and sweating in the aged during passive heat exposure

Akimasa Hirata, Ilkka Laakso, Tomoki Nomura, 2015 .

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

Akimasa Hirata, Satoshi Tanaka, Norihiro Sadato, 2016, NeuroImage.

Combined Simulation of Bioelectromagnetics and Nerve Activation and its Application

A. Hirata, I. Laakso, J. Gómez-Tames, 2018, IEEJ Transactions on Fundamentals and Materials.

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

Ilkka Laakso, Marko Mikkonen, I. Laakso, 2019, Physics in medicine and biology.

TMS Motor Thresholds Correlate With TDCS Electric Field Strengths in Hand Motor Area

Akimasa Hirata, Ilkka Laakso, Marko Mikkonen, 2018, Front. Neurosci..

Fast multigrid-based computation of the induced electric field for transcranial magnetic stimulation

Akimasa Hirata, Ilkka Laakso, A. Hirata, 2012, Physics in medicine and biology.

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

Akimasa Hirata, Dragan Poljak, Kenichi Yamazaki, 2018, IEEE Transactions on Electromagnetic Compatibility.

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

Akimasa Hirata, Dragan Poljak, Fumie Costen, 2018, IEEE Transactions on Electromagnetic Compatibility.

Modelling of induced electric fields based on incompletely known magnetic fields

Tommaso Campi, Silvano Cruciani, Mauro Feliziani, 2017, Physics in medicine and biology.

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

Ilkka Laakso, Yoshihiro Muragaki, Akimasa Hirata, 2018, NeuroImage.

Experiments and modelling pinpoint the cortical activation site of TMS

I. Laakso, Y. Ugawa, A. Hirata, 2017, Brain Stimulation.

Evaluation of nonuniform field exposures with coupling factors

Teruo Onishi, Akimasa Hirata, Ilkka Laakso, 2015, Physics in medicine and biology.

Radiation Protection Dosimetry Radiation Protection Dosimetry

O. Fujiwara, A. Hirata, I. Laakso, 2013 .

Effect of Electrical Conductivity Uncertainty in the Assessment of the Electric Fields Induced in the Brain by Exposure to Uniform Magnetic Fields at 50 Hz

Ilkka Laakso, Marco Soldati, I. Laakso, 2020, IEEE Access.

A probabilistic transcranial magnetic stimulation localization method

I. Laakso, J. Kataja, M. Soldati, 2021, Journal of neural engineering.

SHARM: Segmented Head Anatomical Reference Models

A. Hirata, I. Laakso, E. Rashed, 2023, ArXiv.

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

Akimasa Hirata, Ilkka Laakso, Jose Gomez-Tames, 2017, Physics in medicine and biology.

Improving the computational speed and reducing the staircasing error for simulations of human exposure to low frequency magnetic fields

A. Hirata, I. Laakso, A. Hirata, 2012, International Symposium on Electromagnetic Compatibility - EMC EUROPE.

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

N. Sadato, Satoshi Tanaka, A. Hirata, 2016, NeuroImage.

Relationship between spatial-averaged SAR and temperature elevation in human head models from 1–10 GHz

O. Fujiwara, A. Hirata, I. Laakso, 2014, 2014 International Symposium on Electromagnetic Compatibility, Tokyo.

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

A. Hirata, I. Laakso, M. Mikkonen, 2018, Physics in medicine and biology.

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

Satoshi Tanaka, A. Hirata, I. Laakso, 2019, Scientific Reports.

Thresholds of central nervous system stimulation at intermediate frequencies

Ilkka Laakso, Takenobu Murakami, I. Laakso, 2016, 2016 URSI Asia-Pacific Radio Science Conference (URSI AP-RASC).

NUMERICAL MODELING OF ELECTROMAGNETIC FIELD EXPOSURE FROM 5G MOBILE COMMUNICATIONS AT 10 GHZ

I. Laakso, K. Y. Yazdandoost, 2018 .

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

A. Hirata, I. Laakso, T. Kashiwa, 2018, IEEE Access.

The Effect of Inter-pulse Interval on TMS Motor Evoked Potentials in Active Muscles

I. Laakso, M. Soldati, Noora Matilainen, 2022, Frontiers in Human Neuroscience.

FDTD analysis of temperature elevation in the lens of human and rabbit models due to near-field and far-field exposures at 2.45 GHz.

Soichi Watanabe, Akimasa Hirata, Osamu Fujiwara, 2013, Radiation protection dosimetry.

Is activation of the vestibular system by electromagnetic induction a possibility in an MRI context?

I. Laakso, Nicolas Bouisset, Janita Nissi, 2024, Bioelectromagnetics.

Assessment of the Induced Electric Fields in a Carbon-Fiber Electrical Vehicle Equipped with a Wireless Power Transfer System

Tommaso Campi, Silvano Cruciani, Mauro Feliziani, 2018 .

Induced electric fields in MRI settings and electric vestibular stimulations: same vestibular effects?

I. Laakso, Nicolas Bouisset, 2024, Experimental brain research.

Electric field envelope focality in superficial brain areas with linear alignment montage in temporal interference stimulation

I. Laakso, N. Otsuru, Sachiko Kodera, 2024, Comput. Biol. Medicine.