Mustafa Alper

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The production of androgens (mostly testosterone) during the early fetal stage is essential for the differentiation of the male brain. Some authors have suggested a relationship between androgen exposure during the prenatal period and schizophrenia. These two separate relationships suggest that digit length ratios are associated with schizophrenia in males.(More)
The present study was designed to describe the socio-demographic, clinical, and polysomnographic features of patients diagnosed with narcolepsy in our sleep center. This retrospective cross-sectional study was conducted on 181 patients diagnosed with narcolepsy based on the results of clinical evaluation, polysomnography (PSG), and multiple sleep latency(More)
INTRODUCTION Both narcolepsy and idiopathic hypersomnia are the main causes of excessive daytime sleepiness. In this study, we aimed to compare polysomnography (PSG) and multiple sleep latency test (MSLT) findings in narcolepsy and idiopathic hypersomnia patients. METHODS The files of patients with narcolepsy and hypersomnia who were admitted between 1995(More)
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