Murat Boysan

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  • Pinar Guzel Ozdemir, A S Karadag, +4 authors Sevda Onder
  • International journal of psychiatry in clinical…
  • 2014
OBJECTIVE There are limited comparative studies on classic and new-generation antihistamines that affect sleep quality and mood. The purpose of this study was to determine and compare the effects of classic and new-generation antihistamines on sleep quality, daytime sleepiness, dream anxiety, and mood. METHODS Ninety-two patients with chronic pruritus(More)
OBJECTIVE Of many instruments developed to assess Internet addiction, the Internet Addiction Test (IAT), an expanded version of the Internet Addiction Diagnostic Questionnaire (IADQ), has been the most widely used scale in English and non-English speaking populations. In this study, our aim was to investigate the psychometric properties of short and(More)
It has been commonly recognized that circadian rhythm and sleep/wake cycle are causally involved in bipolar disorder. There has been a paucity of systematic research considering the relations between sleep and mood states in bipolar disorder. The current study examines the possible influences of sleep deprivation on mood states and endocrine functions among(More)
Shift work influences health, performance, activity, and social relationships, and it causes impairment in cognitive functions. In this study, we investigated the effects of shift work on participants' cognitive functions in terms of memory, attention, and learning, and we measured the effects on oxidative stress. Additionally, we investigated whether there(More)
OBJECTIVE Phototherapy, ie, bright light therapy, is an effective and safe treatment of major depressive disorder (MDD). It exerts rapid mood-elevating activity, similar to antidepressant medications, most likely mediated through both monoaminergic and circadian system melatonergic mechanisms. We assessed the efficiency of bright light therapy as an(More)
OBJECTIVE Our aims were to investigate the prevalence of PTSD, depression, anxiety-related disorders, and dissociative symptomotology, and to assess the risk factors for development of psychopathology among children and adolescents after the 2011 Van earthquake in Turkey. METHODS The screening was conducted among 738 participants at 6months(More)
OBJECTIVE Seasonality is one of the most interesting but still elusive issue in suicide research. Linkages of seasonality in suicides to possible contributors such as gender, type of method used, and climatic factors have received attention in different cultures. We aimed at evaluating seasonal trends in suicidal behaviour according to demographic(More)
INTRODUCTION The Obsessive-Compulsive Inventory-Revised (OCI-R) is a widely used self-report instrument developed to overcome the problems with the available instruments. The aim of this study was to assess the psychometric properties of the revised Obsessive Compulsive Inventory (OCI-R) in Turkish sample. METHODS The psychometric properties of the(More)
INTRODUCTION The current article addresses the validation of the construct of obsessional probabilistic inference in clinical and non-clinical samples. Obsessional probabilistic inference or obsessional doubt refers to a type of inferential process resulting in the belief that a state of affairs "maybe" causes development of a maladaptive cognitive coping(More)
Objective: Juvenile obsessive-compulsive disorder has been increasingly recognized in the literature. However, the developmentally sensitive screening tools for obsessive-compulsive disorder (OCD) in children and adolescents still lag behind psychometric tools developed for adult OCD. The Leyton Obsessional Inventory-Child Version is the most widely(More)