Výsledky vyhledávání - "Karen M. Mason"

What You Need to Know to Become a MEG Technologist

Autor: Susan M. Bowyer, James P. Lowe, Karen M. Mason, Hisako Fujiwara, Susan M. Ebersole

Publikováno v: The Neurodiagnostic Journal. 53:191-206

Magnetoencephalography (MEG) is a way to noninvasively localize sources of electrical activity within the human brain, by measuring the very weak magnetic fields just outside of the head. This paper is an introduction to MEG for technologists who are

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cee220e921610b128388feb39c5e95af
https://doi.org/10.1080/21646821.2013.11079906

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Periodic Discharges: Insight From Magnetoencephalography

Autor: Norman Tepley, Susan M. Bowyer, Karen M. Mason, John E. Moran, Vladimir Shvarts, Gabor Zoltay, Andrew Zillgitt, David E. Burdette

Publikováno v: Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society. 34(3)

PURPOSE This study used magnetoencephalography (MEG) dipole localization and coherence measurement to evaluate the magnetic fields associated with periodic discharges. The primary goal of the study was to evaluate whether MEG could consistently local

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https://pubmed.ncbi.nlm.nih.gov/27832046

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An assessment of MEG coherence imaging in the study of temporal lobe epilepsy

Autor: Kost Elisevich, John E. Moran, Lonni Schultz, Gregory L. Barkley, Norman Tepley, Valentina Gumenyuk, Neetu Shukla, Susan M. Bowyer, Brien J. Smith, Karen M. Mason

Publikováno v: Epilepsia. 52:1110-1119

Summary Purpose: This study examines whether magnetoencephalographic (MEG) coherence imaging is more sensitive than the standard single equivalent dipole (ECD) model in lateralizing the site of epileptogenicity in patients with drug-resistant tempora

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::684c1860b17296d96ccedc0ae43f7872
https://doi.org/10.1111/j.1528-1167.2011.02990.x

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A Retrospective Analysis of the Effect of General Anesthetics on the Successful Detection of Interictal Epileptiform Activity in Magnetoencephalography

Autor: Karen M. Mason, Norman Tepley, Guruswamy Balakrishnan, Gregory L. Barkley, Susan M. Bowyer, Kavita M. Grover, Brien J. Smith

Publikováno v: Anesthesia & Analgesia. 104:1493-1497

BACKGROUND: A magnetoencephalography (MEG) study requires the patient to lie still for a prolonged period of time. In children and uncooperative adults with epilepsy, general anesthesia or sedation may be required to insure a good quality study. As g

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce9573558848105694f4f84495d9bb25
https://doi.org/10.1213/01.ane.0000264084.12323.43

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Retrospective review of MEG visual evoked hemifield responses prior to resection of temporo-parieto-occipital lesions

Autor: Gregory L. Barkley, Mark L. Rosenblum, Susan M. Bowyer, John E. Moran, Karen M. Mason, Jack Rock, Kavita M. Grover, Brien J. Smith

Publikováno v: Journal of Neuro-Oncology. 77:161-166

Visual evoked cortical magnetic field (VEF) waveforms were recorded from both hemifields in 21 patients with temporo-parieto-occipital mass lesions to identify preserved visual pathways. Fifteen patients had visual symptoms pre-operatively. Magnetoen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52cf02ddf145c297729c3230a3a38b4f
https://doi.org/10.1007/s11060-005-9014-z

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Magnetoencephalographic localization of the basal temporal language area

Autor: Brien J. Smith, John E. Moran, Gregory L. Barkley, Toya Fleming, Karen M. Mason, Norman Tepley, Margaret L. Greenwald, Susan M. Bowyer, B. J. Weiland

Publikováno v: Epilepsy & Behavior. 6:229-234

Magnetoencephalography (MEG) recordings were made on 25 native English-speaking patients with localization-related epilepsy during a semantic language task (verb generation). Eighteen right-handed subjects with normal reading ability had MEG scans pe

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https://doi.org/10.1016/j.yebeh.2004.12.003

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Effect of Extra-Pair Paternity on Effective Population Size in a Reintroduced Population of the Endangered Hihi, and Potential for Behavioural Management

Autor: Doug P. Armstrong, David M. Lambert, Isabel Castro, Karen M. Mason

Publikováno v: ResearcherID

We collected genetic and behavioural data on hihi (Notiomysts cincta, an endangered New Zealand bird) after reintroduction to Mokoia Island to assess the effect of extrapair copulation on effective population size (N e), and investigate the potential

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b34de684bc9eb97943a59e9d1a36fa95
https://doi.org/10.1023/b:coge.0000031146.51681.b0

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Life history traits and food supplementation affect productivity in a translocated population of the endangered Hihi (Stitchbird, Notiomystis cincta)

Autor: Brice Ebert, Richard A. Griffiths, Isabel Castro, Karen M. Mason, Dianne H. Brunton

Publikováno v: Biological Conservation. 114:271-280

We studied the effect of food supplementation, female age and clutch order on productivity in a translocated species. Food supplementation increased clutch size from 3.9 to 4.4 (average) eggs per nesting attempt, and more than doubled fledging and re

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https://doi.org/10.1016/s0006-3207(03)00046-6

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