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All › Diagnosis › Diagnostic Techniques and Procedures › Diagnostic Techniques, Neurological › Magnetoencephalography

Magnetoencephalography (0)

      Articles on Magnetoencephalography

      1. Anxiety, a benefit and detriment to cognition: behavioral and magnetoencephalographic evidence from a mixed-saccade task.
        Brian R BR Cornwell, Sven C SC Mueller, ... Monique M Ernst

        Brain Cogn 78(3):257-67 (2012) PMID 22289426

        We propose anxiety-related impairments in cognitive-behavioral performance are the consequences of enhanced stimulus-driven attention. Accordingly, reflexive, habitual behaviors that rely on stimulus-driven mechanisms should be facilitated in an anxious state, while novel, flexible behaviors that co...
      2. Sustained gamma band synchronization in early visual areas reflects the level of selective attention.
        Nina N Kahlbrock, Markus M Butz, ... Alfons A Schnitzler

        Neuroimage 59(1):673-81 (2012) PMID 21784164

        Cortical gamma band synchronization is associated with attention. Accordingly, directing attention to certain visual stimuli modulates gamma band activity in visual cortical areas. However, gradual effects of attention and behavior on gamma band activity in early visual areas have no...
      3. High cerebral insulin sensitivity is associated with loss of body fat during lifestyle intervention.
        O Tschritter, H Preissl, ... H-U Häring

        Diabetologia 55(1):175-82 (2012) PMID 21927893

        We measured cerebrocortical insulin sensitivity by using magnetoencephalography before lifestyle intervention. Total and visceral fat were measured by using MRI at baseline and after 9 months and 2 years of lifestyle intervention. Insulin-stimulated cerebrocortical theta activity at...
      4. High cerebral insulin sensitivity is associated with loss of body fat during lifestyle intervention.
        O Tschritter, H Preissl, ... H-U Häring

        Diabetologia 55(1):175-82 (2012) PMID 21927893

        We measured cerebrocortical insulin sensitivity by using magnetoencephalography before lifestyle intervention. Total and visceral fat were measured by using MRI at baseline and after 9 months and 2 years of lifestyle intervention. Insulin-stimulated cerebrocortical theta activity at...
      5. MEG in frontal lobe epilepsies: localization and postoperative outcome.
        Hermann H Stefan, Xintong X Wu, ... Daniel D Weigel

        Epilepsia 52(12):2233-8 (2011) PMID 21933178

        This study aimed to analyze magnetoencephalography (MEG) localizations of epileptic clusters in different cortical regions of the frontal lobe and relate these findings to postoperative outcomes associated with frontal lobe epilepsy (FLE). Thirty-nine patients from th...
      6. The role of magnetoencephalography in children undergoing hemispherectomy.
        Cristina V CV Torres, Aria A Fallah, ... James T JT Rutka

        J Neurosurg Pediatr 8(6):575-83 (2011) PMID 22132915

        Hemispherectomy is an established neurosurgical procedure for medication-resistant epilepsy in children. Despite the effectiveness of this technique, there are patients who do not achieve an optimum outcome after surgery; possible causes of suboptimal results include the presence of...
      7. Multiple reference frames in cortical oscillatory activity during tactile remapping for saccades.
        Verena N VN Buchholz, Ole O Jensen, and W Pieter WP Medendorp

        J Neurosci 31(46):16864-71 (2011) PMID 22090512

        We tested this hypothesis by studying the reference frames in rhythmic neuronal synchronization--a population measure--during tactile remapping for saccades. Human subjects fixated either to the left or right of the body midline, while a tactile stimulus was applied to an invisible fingertip, locate...
      8. The sound of consciousness: neural underpinnings of auditory perception.
        Alfredo A Brancucci, Raffaella R Franciotti, ... Luca L Tommasi

        J Neurosci 31(46):16611-8 (2011) PMID 22090489

        We look here for possible NCC in the auditory modality exploiting the properties of the Deutsch's illusion, a stimulation condition in which a sequence of two specular dichotic stimuli presented in alternation causes an illusory segregation of pitch and side (ear of origin), which can yield up to fo...
      9. Functional and structural imaging of pain-induced neuroplasticity.
        Frank F Seifert and Christian C Maihöfner

        Curr Opin Anaesthesiol 24(5):515-23 (2011) PMID 21822136

        The understanding of the mechanisms underlying chronic pain is of major scientific and clinical interest. This review focuses on neuroimaging studies of pain-induced neuroplastic changes in the human brain and discusses five major categories of pain-induced neuroplastic changes....
      10. [Mechanisms of intracerebral pain and itch perception in humans].
        Ryusuke R Kakigi and Hideki H Mochizuki

        Brain Nerve 63(9):987-94 (2011) PMID 21878701

        We have recently developed a new stimulation electrode that causes an itching sensation via electrical stimulation applied to skin. The conduction velocity (CV) of the signals caused by this stimulation is approximately 1 m/sec in a range of CV of C fibers. The findings obtained after itch stimulati...