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  1. Article: Associations between psychotic-like experiences and mental health status and other psychopathologies among Japanese early teens.

    Nishida, Atsushi / Tanii, Hisashi / Nishimura, Yukika / Kajiki, Naomi / Inoue, Ken / Okada, Motohiro / Sasaki, Tsukasa / Okazaki, Yuji

    Schizophrenia research

    2008  Volume 99, Issue 1-3, Page(s) 125–133

    Abstract: Psychotic-like experiences (PLEs) are considered predictive of mental health problems later in life. However, little has been known about the mental health status and psychopathological distress in adolescents with PLEs in the general population. To ... ...

    Abstract Psychotic-like experiences (PLEs) are considered predictive of mental health problems later in life. However, little has been known about the mental health status and psychopathological distress in adolescents with PLEs in the general population. To investigate the associations between PLEs and mental health status or psychopathologies in a community sample of adolescents in a school-based cross-sectional fashion, PLEs were studied using a self-rating questionnaire in 5073 Japanese junior-high school students aged 12-15 years. Mental health status was evaluated using the 12-item General Health Questionnaire (GHQ-12). Psychopathologies, lifestyle, victimization, and interpersonal and help-seeking attitudes were also studied using a self-rating questionnaire. Fifteen percent of the students reported definitely having experienced at least one PLE. A dose-response relationship between the severity of PLEs and the prevalence of poor mental health status was observed. PLEs were also significantly associated with psychopathologies (strong anxiety in the classroom: OR = 1.4, 95% CI 1.2-1.6; suicidal ideation: OR = 2.1, 95% CI 1.8-2.4; self-harm behaviors: OR = 1.4, 95% CI 1.0-1.9; difficulty falling asleep due to hypersensitivity to environmental noise: OR = 1.7, 95% CI 1.4-2.0; difficulty concentrating due to hypersensitivity to environmental noise: OR = 1.5, 95% CI 1.3-1.8; physically assaulting others: OR = 1.3, 95% CI 1.0-1.5; bullying others, OR = 1.3, 95% CI 1.1-1.5; irritability when exchanging e-mails: OR = 1.3, 95% CI 1.0-1.6). Adolescents with PLEs in the community suffer from a wide range of psychopathological problems during crucial developmental periods [corrected]
    MeSH term(s) Adolescent ; Child ; Child Behavior Disorders/diagnosis ; Child Behavior Disorders/epidemiology ; Child Behavior Disorders/psychology ; Comorbidity ; Cross-Sectional Studies ; Female ; Health Surveys ; Humans ; Japan ; Male ; Mental Disorders/diagnosis ; Mental Disorders/epidemiology ; Mental Disorders/psychology ; Psychopathology ; Psychotic Disorders/diagnosis ; Psychotic Disorders/epidemiology ; Psychotic Disorders/psychology ; Risk Factors ; Schizophrenia/diagnosis ; Schizophrenia/epidemiology ; Schizophrenic Psychology ; Schizotypal Personality Disorder/diagnosis ; Schizotypal Personality Disorder/epidemiology ; Schizotypal Personality Disorder/psychology ; Surveys and Questionnaires
    Language English
    Publishing date 2008-02
    Publishing country Netherlands
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 639422-x
    ISSN 1573-2509 ; 0920-9964
    ISSN (online) 1573-2509
    ISSN 0920-9964
    DOI 10.1016/j.schres.2007.11.038
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Current state of refusal to attend school in Japan.

    Inoue, Ken / Tanii, Hisashi / Nishimura, Yukika / Masaki, Mina / Nishida, Atsushi / Kajiki, Naomi / Okazaki, Yuji / Ono, Yuichiro

    Psychiatry and clinical neurosciences

    2008  Volume 62, Issue 5, Page(s) 622

    MeSH term(s) Adolescent ; Child ; Counseling/supply & distribution ; Cross-Sectional Studies ; Databases, Factual ; Forecasting ; Health Services Needs and Demand/trends ; Health Surveys ; Humans ; Japan ; Phobic Disorders/epidemiology ; Phobic Disorders/prevention & control ; Phobic Disorders/psychology ; Social Problems/psychology ; Social Problems/statistics & numerical data
    Language English
    Publishing date 2008-10
    Publishing country Australia
    Document type Letter
    ZDB-ID 1292906-2
    ISSN 1440-1819 ; 1323-1316
    ISSN (online) 1440-1819
    ISSN 1323-1316
    DOI 10.1111/j.1440-1819.2008.01857.x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Frontal dysfunction during a cognitive task in drug-naive patients with panic disorder as investigated by multi-channel near-infrared spectroscopy imaging.

    Nishimura, Yukika / Tanii, Hisashi / Fukuda, Masato / Kajiki, Naomi / Inoue, Ken / Kaiya, Hisanobu / Nishida, Atsushi / Okada, Motohiro / Okazaki, Yuji

    Neuroscience research

    2007  Volume 59, Issue 1, Page(s) 107–112

    Abstract: The present study investigated oxygenated ([oxy-Hb]) and deoxygenated ([deoxy-Hb]) hemoglobin concentration changes during the performance of a word fluency task in the frontal region of five drug-naive patients with panic disorder with or without ... ...

    Abstract The present study investigated oxygenated ([oxy-Hb]) and deoxygenated ([deoxy-Hb]) hemoglobin concentration changes during the performance of a word fluency task in the frontal region of five drug-naive patients with panic disorder with or without agoraphobia and in 33 age-, sex-, and task performance-matched healthy volunteers by using multi-channel near-infrared spectroscopy (NIRS). The left inferior frontal [oxy-Hb] changes during performance of the task in patients with panic disorder were significantly smaller than those of healthy controls. This pilot study suggests the possibility that the left frontal lobe, required for cognitive function, is impaired in patients with panic disorder.
    MeSH term(s) Adult ; Analysis of Variance ; Case-Control Studies ; Cognition/physiology ; Female ; Frontal Lobe/abnormalities ; Frontal Lobe/blood supply ; Frontal Lobe/physiopathology ; Hemoglobins/metabolism ; Humans ; Male ; Neuropsychological Tests ; Panic Disorder/pathology ; Panic Disorder/physiopathology ; Spectroscopy, Near-Infrared
    Chemical Substances Hemoglobins
    Language English
    Publishing date 2007-09
    Publishing country Ireland
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 605842-5
    ISSN 1872-8111 ; 0168-0102 ; 0921-8696
    ISSN (online) 1872-8111
    ISSN 0168-0102 ; 0921-8696
    DOI 10.1016/j.neures.2007.05.016
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: The correlation between rates of unemployment and suicides rates in Japan between 1984 and 2003.

    Inoue, Ken / Tanii, Hisashi / Abe, Shuntaro / Inoue, Hiroko / Inoue, Yuko / Fujita, Yoshitsugu / Nishimura, Yukika / Nishida, Atsushi / Kajiki, Naomi / Yokoyama, Chika / Masaki, Mina / Kaiya, Hisanobu / Okazaki, Yuji / Nata, Masayuki / Fukunaga, Tatsushige

    Journal of forensic and legal medicine

    2007  Volume 14, Issue 4, Page(s) 238–239

    MeSH term(s) Female ; Forensic Medicine ; Humans ; Japan/epidemiology ; Male ; Sex Distribution ; Suicide/statistics & numerical data ; Unemployment/statistics & numerical data
    Language English
    Publishing date 2007-05
    Publishing country England
    Document type Letter
    ZDB-ID 2268721-X
    ISSN 1752-928X
    ISSN 1752-928X
    DOI 10.1016/j.jcfm.2006.08.006
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Causative factors as cues for addressing the rapid increase in suicide in Mie Prefecture, Japan: comparison of trends between 1996-2002 and 1989-1995.

    Inoue, Ken / Tanii, Hisashi / Abe, Shuntaro / Nata, Masayuki / Nishimura, Yukika / Nishida, Atsushi / Kajiki, Naomi / Yokoyama, Chika / Kaiya, Hisanobu / Fukunaga, Tatsushige / Okazaki, Yuji

    Psychiatry and clinical neurosciences

    2006  Volume 60, Issue 6, Page(s) 736–745

    Abstract: The number of suicides in Japan has increased from approximately 22 000 per year from 1988 to 1997 to >30 000 per year since 1998. Likewise, the number of suicides has been increasing in Mie Prefecture. The purpose of the present study was to examine the ...

    Abstract The number of suicides in Japan has increased from approximately 22 000 per year from 1988 to 1997 to >30 000 per year since 1998. Likewise, the number of suicides has been increasing in Mie Prefecture. The purpose of the present study was to examine the incidence of and circumstances surrounding all suicide cases during 1996-2002 in Mie Prefecture and to compare the data with those from 1989 to 1995. In Mie Prefecture, the age-specific suicide rate during the second 7-year period included marked increases among men aged 50-59 and 60-69 years. Among women, the age-specific suicide rate increased with age during both 7-year periods. During the second period, psychiatric disorders as causative factors increased in all generations. They were especially important for women of the younger generation, whereas economic problems were the most common causative factor among men aged 40-64. Physical illness as a causative factor in suicide was high among the elderly, but among the other age groups this factor trailed behind economic difficulties for men and psychiatric disorders for women. To prevent suicide, social cooperation as well as a plenitude of visiting nurses and psychiatric care is required, and early detection and treatment are also important.
    MeSH term(s) Adult ; Age Factors ; Aged ; Aged, 80 and over ; Family ; Female ; Humans ; Japan/epidemiology ; Male ; Mental Disorders/complications ; Mental Disorders/psychology ; Middle Aged ; Seasons ; Sex Factors ; Sick Role ; Social Isolation ; Socioeconomic Factors ; Suicide/psychology ; Suicide/statistics & numerical data ; Suicide/trends ; Suicide, Attempted/psychology ; Suicide, Attempted/statistics & numerical data ; Time Factors ; Urban Population
    Language English
    Publishing date 2006-12
    Publishing country Australia
    Document type Comparative Study ; Journal Article
    ZDB-ID 1292906-2
    ISSN 1440-1819 ; 1323-1316
    ISSN (online) 1440-1819
    ISSN 1323-1316
    DOI 10.1111/j.1440-1819.2006.01589.x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Panic disorder and suicide in Mie Prefecture, Japan.

    Inoue, Ken / Tanii, Hisashi / Fukunaga, Tatsushige / Abe, Shuntaro / Nishimura, Yukika / Kajiki, Naomi / Yokoyama, Chika / Nishida, Atsushi / Tawara, Junsuke / Kaiya, Hisanobu / Nata, Masayuki / Okazaki, Yuji

    Psychiatry and clinical neurosciences

    2006  Volume 60, Issue 5, Page(s) 640–641

    MeSH term(s) Female ; Humans ; Japan/epidemiology ; Male ; Panic Disorder/epidemiology ; Suicide/statistics & numerical data
    Language English
    Publishing date 2006-10
    Publishing country Australia
    Document type Letter
    ZDB-ID 1292906-2
    ISSN 1440-1819 ; 1323-1316
    ISSN (online) 1440-1819
    ISSN 1323-1316
    DOI 10.1111/j.1440-1819.2006.01573.x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: The importance of the frequency of suicide attempts as a risk factor of suicide.

    Inoue, Ken / Tanii, Hisashi / Fukunaga, Tatsushige / Abe, Shuntaro / Nishimura, Fusae / Kimura, Yukiko / Nishimura, Yukika / Nishida, Atsushi / Kajiki, Naomi / Tawara, Junsuke / Ikemura, Hiroyuki / Hanagama, Masakazu / Shinone, Koutaro / Yokoyama, Chika / Kaiya, Hisanobu / Nata, Masayuki / Okazaki, Yuji

    Journal of forensic and legal medicine

    2008  Volume 15, Issue 1, Page(s) 24–26

    Abstract: The number of suicides in Japan has increased from approximately 22,000 per year in 1988-1997 to over 30,000 per year since then. The number has also increased in Mie Prefecture during this period. According to many reports, suicide attempts are one of ... ...

    Abstract The number of suicides in Japan has increased from approximately 22,000 per year in 1988-1997 to over 30,000 per year since then. The number has also increased in Mie Prefecture during this period. According to many reports, suicide attempts are one of the risk factors of suicide. In the present study, we investigated the incidences and circumstances of all suicide cases between 1996 and 2002, focusing in detail on the frequency of suicide attempts and general differences in the frequency of all suicide cases. During the 7 years, 1979 male and 969 female suicides were reported to Mie Prefectural Police Headquarters. During the test period, there were suicide attempts in 13.4% of all suicidal cases, 10.7% for men and 18.9% for women. The average age was 48.98 years (SD 17.68), 47.07 years (SD 16.32) for men, and 51.19 years (SD 18.89) for women. Among men, we discovered the risk factors of suicide attempts in completed suicides, which were "single time" of suicide attempts, "living with family" for the family constitution, and "visiting treatment" of the admission statuses. Among women, the risk factors were "living with family" and "visiting treatment". We must pay attention to those risk factors.
    MeSH term(s) Female ; Forensic Medicine ; Humans ; Incidence ; Japan ; Male ; Middle Aged ; Outpatients ; Residence Characteristics ; Risk Factors ; Sex Distribution ; Suicide ; Suicide, Attempted/statistics & numerical data
    Language English
    Publishing date 2008-01
    Publishing country England
    Document type Journal Article
    ZDB-ID 2268721-X
    ISSN 1752-928X
    ISSN 1752-928X
    DOI 10.1016/j.jcfm.2006.10.003
    Database MEDical Literature Analysis and Retrieval System OnLINE

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