Görkem Singleton

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Carbon-11 labelled (+)-4-Propyl-3,4,4a,5,6,10b-hexahydro-2H-naphtho[1,2-b][1,4]oxazin-9-ol ([(11)C]-(+)-PHNO) is used as a high-affinity state, dopamine D(2/3) receptor ligand in clinical PET studies. To facilitate its use, robust, rapid, efficient and GMP compliant methods are required for the manufacturing and QC testing processes. Additionally, to allow(More)
Auditory and vestibular function were compared in a heterogeneous sample of dizzy patients (N = 52). Hearing thresholds for the conventional audiometric frequencies were measured for each patient and parceled into two frequency ranges, 0.25-1 kHz and 2-8 kHz. Hearing thresholds also were measured for each patient over an extended high-frequency range that(More)
The nystagmus slope responses to vestibular stimuli are strongly dependent on eye position, while the frequency responses shift predictably and are relatively independent of the eye position. Spurious directional differences may be introduced in nystagmus slope parameters by small tilts in the roll plane in comparison to the more predictable frequency(More)
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