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1
Relationship between Personality and Insomnia in Panic Disorder Patients

HaeRan Na,EunHo Kang,BumHee Yu,JongMin Woo,YoulRi Kim,SeungHwan Lee,EuiJung Kim,SangYeol Lee,SangKeun Chung 대한신경정신의학회 2011 PSYCHIATRY INVESTIGATION Vol.8 No.2
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Objective-Panic disorder (PD) is frequently comorbid with insomnia, which could exacerbate panic symptoms and contribute to PD relapse. Research has suggested that characteristics are implicated in both PD and insomnia. However, there are no reports examining whether temperament and character affect insomnia in PD. Thus, we examined the relationship between insomnia and personality ch-aracteristics in PD patients. Methods-Participants were 101 patients, recruited from 6 university hospitals in Korea, who met the DSM-IV-TR criteria for PD. We as-sessed sleep outcomes using the sleep items of 17-item Hamilton Depression Rating Scale (HAMD-17)(item 4=onset latency, item 5= middle awakening, and item 6=early awakening) and used the Cloninger’s Temperament and Character Inventory-Revised-Short to assess personality characteristics. To examine the relationship between personality and insomnia, we used analysis of variance with age, sex, and severity of depression (total HAMD scores minus sum of the three sleep items) as the covariates. Results-There were no statistical differences (p>0.1) in demographic and clinical data between patients with and without insomnia. Initial insomnia (delayed sleep onset) correlated to a high score on the temperamental dimension of novelty seeking 3 (NS3)(F1,96=6.93, p=0.03). There were no statistical differences (p>0.1) in NS3 between patients with and without middle or terminal insomnia. Conclusion-The present study suggests that higher NS3 is related to the development of initial insomnia in PD and that temperament and character should be considered when assessing sleep problems in PD patients.
2
Relationship between Delusion of Theft and Cognitive Functions in Patients with Mild Alzheimer’s Disease

HaeRan Na,DongWoo Kang,YoungSup Woo,WonMyong Bahk,ChangUk Lee,HyunKook Lim 대한신경정신의학회 2018 PSYCHIATRY INVESTIGATION Vol.15 No.4
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  ScienceON
  
  KCI
  
  스콜라
Although delusion of theft (DT) is the most frequent type of delusion in Alzheimer’s disease (AD), its relationship to cognitive functions remains unclear. The aim of this study was to demonstrate the relationship between DT and cognitive functions in mild AD. Two hundred eighty-nine mild AD patients were enrolled in this study. These subjects were classified into three groups: patients with no delusions (ND, n=82), patients with paranoid delusions (PD, n=114) and patients with DT (n=93). Cognitive functions and their associations with the degree of delusion were compared among the three groups. The results showed that verbal Fluency scores were significantly lower in the PD group than in the DT and ND groups. Word List Recall scores were significantly lower in the DT group than in the PD and ND groups. Interestingly, delusion severity measured with the Neuropsychiatric Inventory delusion subscale correlated negatively with the Word List Recall scores in the DT group. In this study, we demonstrated that episodic memory functions in mild AD patients were associated with DT, but not with PD. Further studies might be needed to clarify the pathophysiology of delusions associated with AD.