Search Results - "Simola, J T"

Sampling theory for neuromagnetic detector arrays by Ahonen, A.I., Hamalainen, M.S., Ilmoniemi, R.J., Kajola, M.J., Knuutila, J.E.T., Simola, J.T., Vilkman, V.A.

“…The sampling theorem for wave-number-limited multivariable functions is applied to the problem of neuromagnetic field mapping. The wave-number spectrum and…”
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Multichannel SQUID systems for brain research by Ahonen, A.I., Hamalainen, M.S., Kajola, M.J., Knuutila, J.E.T., Lounasmaa, O.V., Simola, J.T., Tesche, C.D., Vilkman, V.A.

“…Basic principles of magnetoencephalography (MEG) and neuromagnetic instrumentation are briefly reviewed. A 24-channel system based on planar gradiometer coils…”
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A 122-channel whole-cortex SQUID system for measuring the brain's magnetic fields by Knuutila, J.E.T., Ahonen, A.I., Hamalainen, M.S., Kajola, M.J., Laine, P.P., Lounasmaa, O.V., Parkkonen, L.T., Simola, J.T.A., Tesche, C.D.

“…A 122-channel neuromagnetometer with a helmet-shaped detector array covering the entire head allows simultaneous recording of magnetic fields over the whole…”
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122-channel squid instrument for investigating the magnetic signals from the human brain by Ahonen, A I, Hämäläinen, M S, Kajola, M J, Knuutila, J E T, Laine, P P, Lounasmaa, O V, Parkkonen, L T, Simola, J T, Tesche, C D

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The oscillating magnetic microsphere: a tool for investigating vorticity in superconductors and superfluids by Niemetz, M, Schoepe, W, Simola, J.T, Tuoriniemi, J.T

“…A spherical magnet (radius 0.1 mm) is levitating between the superconducting electrodes of a parallel plate capacitor. Small vertical oscillations of the…”
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Pitch change of a continuous tone activates two distinct processes in human auditory cortex: a study with whole-head magnetometer by Lavikainen, J., Huotilainen, M., Hmoniemi, R.J., Simola, J.T., Näätänen, R.

“…Previous studies have shown that a frequency change in a continuous tone elicits an NI type of ERP (event-related potential) component. It remained unclear,…”
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Magnetic Vortices in Rotating Superfluid He 3 - B by Hakonen, P. J., Krusius, M., Salomaa, M. M., Simola, J. T., Bunkov, Yu. M., Mineev, V. P., Volovik, G. E.

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Focusing of Negative Ions by Vortices in Rotating He 3 − A by Simola, J. T., Nummila, K. K., Hirai, A., Korhonen, J. S., Schoepe, W., Skrbek, L.

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NMR and axial magnetic field textures in stationary and rotating superfluid3He-B by Hakonen, P. J., Krusius, M., Salomaa, M. M., Salmelin, R. H., Simola, J. T., Gongadze, A. D., Vachnadze, G. E., Kharadze, G. A.

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Continuous Vortices with Broken Symmetry in Rotating Superfluid He 3 - A by Seppälä, H. K., Hakonen, P. J., Krusius, M., Ohmi, T., Salomaa, M. M., Simola, J. T., Volovik, G. E.

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Phase Diagram of the First-Order Vortex-Core Transition in Superfluid He 3 - B by Pekola, J. P., Simola, J. T., Hakonen, P. J., Krusius, M., Lounasmaa, O. V., Nummila, K. K., Mamniashvili, G., Packard, R. E., Volovik, G. E.

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Two different vortex states in rotating 3He-A observed by use of negative ions by SIMOLA, J. T, SKRBEK, L, NUMMILA, K. K, KORHONEN, J. S

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Surface spin waves in 3He-A, a probe for vortex phenomena in narrow gaps by HAKONEN, P. J, NUMMILA, K. K, SIMOLA, J. T, SKRBEK, L, MAMNIASHVILI, G

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Persistent-Current Experiments on Superfluid He 3 - B and He 3 - A by Pekola, J. P., Simola, J. T., Nummila, K. K., Lounasmaa, O. V., Packard, R. E.

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Focusing of negative ions by vortices in rotating 3He-A by SIMOLA, J. T, NUMMILA, K. K, HIRAI, A, KORHONEN, J. S, SCHOEPE, W, SKRBEK, L

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Comment on Nucleation of 3He-B from the A phase: a cosmic-ray effect? by HAKONEN, P. J, KRUSIUS, M, SALOMAA, M. M, SIMOLA, J. T, LEGGETT, A. J

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Experiments with negative ions in3He superfluids by Nummila, K. K., Simola, J. T., Korhonen, J. S.

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Persistent currents in superfluid3He by Pekola, J. P., Simola, J. T.

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Experiments with negative ions in 3He superfluids by NUMMILA, K. K, SIMOLA, J. T, KORHONEN, J. S

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Persistent currents in superfluid 3He by PEKOLA, J. P, SIMOLA, J. T

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