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An Auditory Vigilance Task (AVT) as a validation criterion for monitoring mental fatigue was proposed in this study. The biological basis of this task design is on the understanding that mental fatigue is a cortical deactivation. This AVT is simple to perform, free of learning curve and independent on acquired skills (aptitude, knowledge). The validity and(More)
OBJECTIVE To explore the clinical value of magnetic resonance imaging (MRI) in optic neuritis. METHODS Forty patients with optic neuritis were examined with the spectral presaturation inversion recovery and fluid attenuated inversion recovery. RESULTS The lesion was frequently seen in orbital portion (86.7%) and intracanalicular portion (29.3%), and(More)
Although previous studies have suggested deteriorated visual motor control in patients with Parkinson disease (PD) is likely due to deficits in both the motor and perceptual systems, no study has directly measured such deficits and how antiparkinsonian medication improves visual motor control in PD patients. Here we took a control-theoretic approach to(More)
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