Chad Udell

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Patients with premenstrual dysphoric disorder (PMDD) respond therapeutically to sleep deprivation and light therapy. They have blunted circadian rhythms of melatonin. The authors sought to test the hypothesis that these disturbances are a reflection of a disturbance in the underlying circadian pacemaker or, alternatively, that they reflect a disturbance in(More)
This study examined neuropsychological performance across the menstrual cycle in women with varying levels of premenstrual symptomatology. Following a 2-month period of prospective symptom documentation, there were 19 women who met DSM-IV criteria for Premenstrual Dysphoric Disorder (PMDD group) and 18 women with mild to moderate symptoms.(More)
In this paper we present the redesign of a scanner for eddy-current (EC) and ultrasonic (UT) measurements in the central bores of large rotors in power plants. It focuses on an innovative leg-unit which allows for passing steps and thus is able to scan in almost all types of straight bores above 70mm. It is actuated purely electromechanically, using a(More)
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