{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T20:06:32Z","timestamp":1775160392003,"version":"3.50.1"},"reference-count":38,"publisher":"Wiley","license":[{"start":{"date-parts":[[2013,1,1]],"date-time":"2013-01-01T00:00:00Z","timestamp":1356998400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["2012R1A1A2008477"],"award-info":[{"award-number":["2012R1A1A2008477"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Computational and Mathematical Methods in Medicine"],"published-print":{"date-parts":[[2013]]},"abstract":"<jats:p>Magnetic resonance electrical impedance tomography (MREIT) is a new modality capable of imaging the electrical properties of human body using MRI phase information in conjunction with external current injection. Recent<jats:italic>in vivo<\/jats:italic>animal and human MREIT studies have revealed unique conductivity contrasts related to different physiological and pathological conditions of tissues or organs. When performing<jats:italic>in vivo<\/jats:italic>brain imaging, small imaging currents must be injected so as not to stimulate peripheral nerves in the skin, while delivery of imaging currents to the brain is relatively small due to the skull\u2019s low conductivity. As a result, injected imaging currents may induce small phase signals and the overall low phase SNR in brain tissues. In this study, we present numerical simulation results of the use of head MREIT for brain tumor detection. We used a realistic three-dimensional head model to compute signal levels produced as a consequence of a predicted doubling of conductivity occurring within simulated tumorous brain tissues. We determined the feasibility of measuring these changes in a time acceptable to human subjects by adding realistic noise levels measured from a candidate 3\u2009T system. We also reconstructed conductivity contrast images, showing that such conductivity differences can be both detected and imaged.<\/jats:p>","DOI":"10.1155\/2013\/704829","type":"journal-article","created":{"date-parts":[[2013,4,29]],"date-time":"2013-04-29T17:03:36Z","timestamp":1367255016000},"page":"1-10","source":"Crossref","is-referenced-by-count":12,"title":["Numerical Simulations of MREIT Conductivity Imaging for Brain Tumor Detection"],"prefix":"10.1155","volume":"2013","author":[{"given":"Zi Jun","family":"Meng","sequence":"first","affiliation":[{"name":"Department of Biomedical Engineering, Impedance Imaging Research Center (IIRC), Kyung Hee University, Yongin, Republic of Korea"}]},{"given":"Saurav Z. K.","family":"Sajib","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, Impedance Imaging Research Center (IIRC), Kyung Hee University, Yongin, Republic of Korea"}]},{"given":"Munish","family":"Chauhan","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, Impedance Imaging Research Center (IIRC), Kyung Hee University, Yongin, Republic of Korea"}]},{"given":"Rosalind J.","family":"Sadleir","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, Impedance Imaging Research Center (IIRC), Kyung Hee University, Yongin, Republic of Korea"},{"name":"Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA"}]},{"given":"Hyung Joong","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, Impedance Imaging Research Center (IIRC), Kyung Hee University, Yongin, Republic of Korea"}]},{"given":"Oh 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