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An antidepressant-like action of nicotine has been suggested in the forced swimming test. The aim of the present study was to evaluate the relationship between the antidepressant-like action of nicotine and brain serotonin (5-HT) in mice. Nicotine at a dose of 0.2 mg/kg significantly (p < 0.05) decreased the duration of immobility time in forced swimming(More)
Nicotine has been reported to normalize deficits in auditory sensory gating in the cases of schizophrenia, suggesting an involvement of nicotinic acetylcholine receptors in attentional abnormalities. However, the mechanism remains unclear. The present study investigated the effects of nicotine on the disruption of prepulse inhibition (PPI) of the acoustic(More)
BACKGROUND AND OBJECTIVE Pharmacological treatment of schizophrenic patients in Japan is characterized by polypharmacy with high doses of antipsychotics. In this study, we examined the profiles of antipsychotic drug therapy in 2007 and 2009 to determine if there have been any recent shifts in treatment strategy. METHOD The subjects were schizophrenic(More)
The prepulse inhibition of the startle response provides an operational measure of sensorimotor gating in which a weak stimulus presented prior to a startling stimulus reduces the startle response. Prepulse inhibition deficits were observed in patients with several neuropsychiatric disorders, including schizophrenia and acute manic bipolar patients.(More)
Oxide semiconductors have been investigated as channel layers for thin film transistors (TFTs) which enable next-generation devices such as high-resolution liquid crystal displays (LCDs), organic light emitting diode (OLED) displays, flexible electronics, and innovative devices. Here, high-performance and stable Ga-Sn-O (GTO) TFTs were demonstrated for the(More)