Search Results - "Laakso, Ilkka"

Can electric fields explain inter-individual variability in transcranial direct current stimulation of the motor cortex? by Laakso, Ilkka, Mikkonen, Marko, Koyama, Soichiro, Hirata, Akimasa, Tanaka, Satoshi

“…The effects of transcranial direct current stimulation (tDCS) on motor cortical excitability are highly variable between individuals. Inter-individual…”
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Fast multigrid-based computation of the induced electric field for transcranial magnetic stimulation by Laakso, Ilkka, Hirata, Akimasa

“…In transcranial magnetic stimulation (TMS), the distribution of the induced electric field, and the affected brain areas, depends on the position of the…”
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Cost of focality in TDCS: Interindividual variability in electric fields by Mikkonen, Marko, Laakso, Ilkka, Tanaka, Satoshi, Hirata, Akimasa

“…In transcranial direct current stimulation (TDCS), electric current is applied via two large electrodes to modulate brain activity. Computational models have…”
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Reducing the staircasing error in computational dosimetry of low-frequency electromagnetic fields by Laakso, Ilkka, Hirata, Akimasa

“…From extremely low frequencies to intermediate frequencies, the magnitude of induced electric field inside the human body is used as the metric for human…”
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Effects of posture on electric fields of non-invasive brain stimulation by Mikkonen, Marko, Laakso, Ilkka

“…The brain moves when the orientation of the head changes. This inter-postural motion has been shown to affect the distribution of cerebrospinal fluid (CSF). As…”
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Where and what TMS activates: Experiments and modeling by Laakso, Ilkka, Murakami, Takenobu, Hirata, Akimasa, Ugawa, Yoshikazu

“…Despite recent developments in navigation and modeling techniques, the type and location of the structures that are activated by transcranial magnetic…”
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Effects of coil orientation on the electric field induced by TMS over the hand motor area by Laakso, Ilkka, Hirata, Akimasa, Ugawa, Yoshikazu

“…Responses elicited by transcranial magnetic stimulation (TMS) over the hand motor area depend on the position and orientation of the stimulating coil. In this…”
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Evaluation of the induced electric field and compliance procedure for a wireless power transfer system in an electrical vehicle by Laakso, Ilkka, Hirata, Akimasa

“…In this study, an induced electric field in a human body is evaluated for the magnetic field leaked from a wireless power transfer system for charging an…”
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Inter-subject Variability in Electric Fields of Motor Cortical tDCS by Laakso, Ilkka, Tanaka, Satoshi, Koyama, Soichiro, De Santis, Valerio, Hirata, Akimasa

“…Abstract Background The sources of inter-subject variability in the efficacy of transcranial direct current stimulation (tDCS) remain unknown. One potential…”
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Computational analysis shows why transcranial alternating current stimulation induces retinal phosphenes by Laakso, Ilkka, Hirata, Akimasa

“…Transcranial alternating current stimulation (tACS), which is a novel technique for the manipulation of cortical oscillations, can generate subjective visual…”
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Electric fields of motor and frontal tDCS in a standard brain space: A computer simulation study by Laakso, Ilkka, Tanaka, Satoshi, Mikkonen, Marko, Koyama, Soichiro, Sadato, Norihiro, Hirata, Akimasa

“…The electric field produced in the brain is the main physical agent of transcranial direct current stimulation (tDCS). Inter-subject variations in the electric…”
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Assessment of the computational uncertainty of temperature rise and SAR in the eyes and brain under far-field exposure from 1 to 10 GHz by Laakso, Ilkka

“…This paper presents finite-difference time-domain (FDTD) calculations of specific absorption rate (SAR) values in the head under plane-wave exposure from 1 to…”
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Dominant factors affecting temperature rise in simulations of human thermoregulation during RF exposure by Laakso, Ilkka, Hirata, Akimasa

“…Numerical models of the human thermoregulatory system can be used together with realistic voxel models of the human anatomy to simulate the body temperature…”
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Confirmation of quasi-static approximation in SAR evaluation for a wireless power transfer system by Hirata, Akimasa, Ito, Fumihiro, Laakso, Ilkka

“…The present study discusses the applicability of the magneto-quasi-static approximation to the calculation of the specific absorption rate (SAR) in a…”
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Assessment of Human Exposure to Electromagnetic Fields: Review and Future Directions by Hirata, Akimasa, Diao, Yinliang, Onishi, Teruo, Sasaki, Kensuke, Ahn, Seungyoung, Colombi, Davide, De Santis, Valerio, Laakso, Ilkka, Giaccone, Luca, Wout, Joseph, Rashed, Essam, Kainz, Wolfgang, Chen, Ji

“…This article reviews recent standardization activities and scientific studies related to the assessment of human exposure to electromagnetic fields (EMF). The…”
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Human exposure to pulsed fields in the frequency range from 6 to 100 GHz by Laakso, Ilkka, Morimoto, Ryota, Heinonen, Juhani, Jokela, Kari, Hirata, Akimasa

“…Restrictions on human exposure to electromagnetic waves at frequencies higher than 3-10 GHz are defined in terms of the incident power density to prevent…”
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In-situ electric field in human body model in different postures for wireless power transfer system in an electrical vehicle by Shimamoto, Takuya, Laakso, Ilkka, Hirata, Akimasa

“…The in-situ electric field of an adult male model in different postures is evaluated for exposure to the magnetic field leaked from a wireless power transfer…”
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On the averaging area for incident power density for human exposure limits at frequencies over 6 GHz by Hashimoto, Yota, Hirata, Akimasa, Morimoto, Ryota, Aonuma, Shinta, Laakso, Ilkka, Jokela, Kari, Foster, Kenneth R

“…Incident power density is used as the dosimetric quantity to specify the restrictions on human exposure to electromagnetic fields at frequencies above 3 or 10…”
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The Effect of Inter-pulse Interval on TMS Motor Evoked Potentials in Active Muscles by Matilainen, Noora, Soldati, Marco, Laakso, Ilkka

“…The time interval between transcranial magnetic stimulation (TMS) pulses affects evoked muscle responses when the targeted muscle is resting. This necessitates…”
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Evaluation of SAR in a human body model due to wireless power transmission in the 10 MHz band by Laakso, Ilkka, Tsuchida, Shogo, Hirata, Akimasa, Kamimura, Yoshitsugu

“…This study discusses a computational method for calculating the specific absorption rate (SAR) due to a wireless power transmission system in the 10 MHz…”
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