Browsing by Author "Cinarbas, Deniz Canel"
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Review Citation Count: 0Psychological Models of Insomnia Disorder: A Recent Review(Galenos Publ House, 2024) Türkarslan, Kutlu Kağan; Cinarbas, Deniz Canel; Department of PsychologyInsomnia disorder, causing personal and societal costs, is a psychiatric disorder characterized by difficulties in falling asleep, maintaining sleep, and waking up earlier than planned in the morning. Approximately 10% of the population suffers from insomnia. Previous studies have shown that insomnia disorder reduces the overall quality of life, decreases daily functionality, leads to impairments in some psychomotor and cognitive skills, reduces job performance, causes more absenteeism at work, and increases treatment costs for disorders other than insomnia. Moreover, insomnia is a risk factor for different psychiatric disorders. Research conducted over the last 50 years has led to the emergence of various models to explain insomnia disorder from psychological viewpoints. These psychological models can be listed as the "stimulus control model", "Spielman model", "microanalytic model", "neurocognitive model", "high -risk model of threat perception", "sleep interfering -sleep interpreting processes model", "psychobiological inhibition model", "cognitive model", "evolutionary -emotional model", and "fear simulation model". The aim of this review article is to present an up-todate picture of the psychological models of insomnia by outlining the basicArticle Citation Count: 2The Roles of Intrusive Visual Imagery and Verbal Thoughts in Pre-Sleep Arousal of Patients with Insomnia Disorder: A Path Model(Springer/plenum Publishers, 2023) Türkarslan, Kutlu Kağan; Cinarbas, Deniz Canel; Perogamvros, Lampros; Department of PsychologyPurpose Researchers have proposed that multiple factors such as hyperarousal, conditioning, worrying, or cortical arousal play roles in the predisposition to, initiation, and perpetuation of insomnia disorder. Previously, only a few studies investigated the differential effects of intrusive visual imagery (IVI) and intrusive verbal thoughts (IVT) on pre-sleep arousal or insomnia severity. The aim of the current cross-sectional study was to examine these effects as well as the moderator role of visual imagery ability (VIA) on the relationship between IVI and pre-sleep arousal.Methods A path model comprising the variables of IVI, IVT, pre-sleep arousal, and insomnia severity was tested with 166 of 1444 participants (M-age = 25.5, SD = 5.26) who were identified as having insomnia disorder based on a 12-question form corresponding to DSM-5 criteria for insomnia disorder and Insomnia Severity Index scores (>= 8). The moderator role of VIA on the relationship between IVI and pre-sleep arousal was evaluated with a moderation analysis.Results It was found that IVI (beta = 0.44, p < .001), but not IVT (beta = 0.15, p = .12), significantly predicted pre-sleep arousal and pre-sleep arousal (beta = 0.44, p < .001) significantly predicted insomnia severity. In addition, the indirect effect of IVI via pre-sleep arousal (IE = 0.19, p < .001) on insomnia severity was significant. Finally, the moderator role of VIA on the relationship between IVI and pre-sleep arousal (p = .07) was not significant.Conclusions IVI may play a more important role in insomnia disorder than IVT. Interventions targeting pre-sleep visual imagery can help poor sleepers alleviate insomnia severity.Publication Citation Count: 0The Roles of Intrusive Visual Imagery and Verbal Thoughts in Pre-Sleep Arousal of Patients with Insomnia Disorder: A Path Model ( oct , 2023 , 10.1007/s10608-023-10442-0)(Springer/plenum Publishers, 2024) Türkarslan, Kutlu Kağan; Cinarbas, Deniz Canel; Perogamvros, Lampros; Department of Psychology[No Abstract Available]