Toshimasa Maruta

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OBJECTIVE To examine the conceptualizations held by psychiatrists and psychologists around the world of the relationships among mental disorders in order to inform decisions about the structure of the classification of mental and behavioral disorders in World Health Organization's International Classification of Diseases and Related Health Problems 11th(More)
Enhancing clinical utility is an emphasis of the World Health Organization's development of the mental and behavioural disorders chapter of the next International Classification of Diseases (ICD-11). Understanding how clinicians conceptualize the structure of mental disorders can enable a more clinically intuitive classification architecture that will help(More)
The Dimensional Assessment of Personality Pathology, Basic Questionnaire (DAPP-BQ) was developed to assess 18 personality traits that provide a systematic representation of personality disorder. This study investigates the reliability and validity of the Japanese version of the DAPP-BQ and the relationship between the DAPP-BQ and Revised NEO Personality(More)
Burnout of nurses at university hospitals was analyzed in relation to their personality characteristics and coping behaviors. A self-administered questionnaire regarding burnout (the Copenhagen Burnout Inventory), work-related stressors (the Nursing Job Stressor Scale), personality characteristics (Short-Form Eysenck Personality Questionnaire-Revised), and(More)
We investigate the equilibrium selection problem in n-person binary coordination games by means of adaptive play with mistakes (Young 1993). The size and the depth of a particular type of basins of attraction are found to be the main factors in determining the selection outcome. The main result shows that if a strategy has the larger basin of attraction,(More)
Some psychiatric diagnoses are stigmatic. In August of 2002, at the annual congress of the Japanese Society of Psychiatry and Neurology, the Society decided to change the name of schizophrenia in Japanese from seishinbunretsu-byo ('split mind disease') to togoshitcho-sho ('loss of coordination disorder'). In 2006 a survey was carried out among the 80(More)
This preliminary study evaluated the reliability and validity of the Japanese version of the Anxiety Sensitivity Index (ASI). Its test-retest reliability and internal consistency were found acceptable. Factor analysis of the ASI yielded 4 anxiety-related factors: factor I is heart/lung failure concern; factor II, psychological concern; factor III, physical(More)