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Research Article

Two-Stage Processing of Sounds Explains Behavioral Performance Variations due to Changes in Stimulus Contrast and Selective Attention: An MEG Study

  • Jaakko Kauramäki mail,

    jaakko.kauramaki@aalto.fi

    Affiliation: Department of Biomedical Engineering and Computational Science (BECS), Brain and Mind Laboratory, Aalto University School of Science, Espoo, Finland

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  • Iiro P. Jääskeläinen,

    Affiliation: Department of Biomedical Engineering and Computational Science (BECS), Brain and Mind Laboratory, Aalto University School of Science, Espoo, Finland

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  • Jarno L. Hänninen,

    Affiliation: Department of Biomedical Engineering and Computational Science (BECS), Brain and Mind Laboratory, Aalto University School of Science, Espoo, Finland

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  • Toni Auranen,

    Affiliations: Advanced Magnetic Imaging Centre, O.V. Lounasmaa Laboratory, Aalto University School of Science, Espoo, Finland, Brain Research Unit, O.V. Lounasmaa Laboratory, Aalto University School of Science, Espoo, Finland

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  • Aapo Nummenmaa,

    Affiliation: Athinoula A. Martinos Center in Biomedical Imaging and Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, United States of America

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  • Jouko Lampinen,

    Affiliation: Department of Biomedical Engineering and Computational Science (BECS), Brain and Mind Laboratory, Aalto University School of Science, Espoo, Finland

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  • Mikko Sams

    Affiliation: Department of Biomedical Engineering and Computational Science (BECS), Brain and Mind Laboratory, Aalto University School of Science, Espoo, Finland

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  • Published: October 11, 2012
  • DOI: 10.1371/journal.pone.0046872

About the Authors

Jaakko Kauramäki, Iiro P. Jääskeläinen, Jarno L. Hänninen, Jouko Lampinen, Mikko Sams
Department of Biomedical Engineering and Computational Science (BECS), Brain and Mind Laboratory, Aalto University School of Science, Espoo, Finland
Toni Auranen
Advanced Magnetic Imaging Centre, O.V. Lounasmaa Laboratory, Aalto University School of Science, Espoo, Finland
Toni Auranen
Brain Research Unit, O.V. Lounasmaa Laboratory, Aalto University School of Science, Espoo, Finland
Aapo Nummenmaa
Athinoula A. Martinos Center in Biomedical Imaging and Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, United States of America

Corresponding Author

Email: jaakko.kauramaki@aalto.fi

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JK IPJ JLH TA AN JL MS. Performed the experiments: JK JLH. Analyzed the data: JK. Contributed reagents/materials/analysis tools: JK TA AN. Wrote the paper: JK IPJ JLH TA AN JL MS.