Comment: This study on sexual conditioning in quail shows that males can be sexually conditioned to a substitute for a real sexual partner (a terry cloth object). Interestingly, those who copulate (i.e., “show a consummatory response”) using the object continue to find it arousing, whether or not they have access to regular sexual opportunities with […]
Read More… from Compulsive Conditioned Sexual Responding of Male Japanese Quail in Extinction
Health Qual Life Outcomes. 2019 Oct 11;17(1):151. doi: 10.1186/s12955-019-1227-5. Kitazawa M1, Yoshimura M1,2, Hitokoto H3, Sato-Fujimoto Y4, Murata M5, Negishi K6, Mimura M1, Tsubota K6, Kishimoto T7. Abstract BACKGROUND: Besides research on psychiatric diseases related to problematic Internet use (PIU), a growing number of studies focus on the impact of Internet on subjective well-being (SWB). […]
Read More… from Survey of the effects of internet usage on the happiness of Japanese university students (2019)
Front Psychiatry. 2019 Jul 10;10:455. doi: 10.3389/fpsyt.2019.00455. Tateno M1,2, Teo AR3,4,5, Ukai W2, Kanazawa J6, Katsuki R7, Kubo H7, Kato TA7. Abstract Background: As the number of internet users increases, problems related to internet overuse are becoming more and more serious. Adolescents and youth may be particularly attracted to and preoccupied with various online activities. […]
Read More… from Internet Addiction, Smartphone Addiction, and Hikikomori Trait in Japanese Young Adult: Social Isolation and Social Network (2019)
J Affect Disord. 2019 Jul 2;256:668-672. doi: 10.1016/j.jad.2019.06.055. Seki T1, Hamazaki K1, Natori T1, Inadera H2. Abstract BACKGROUND: Internet addiction (IA) has various adverse effects. We sought to elucidate the relationship between IA and depression among university students and to identify factors associated with IA. METHODS: Anonymous, self-administered questionnaires were distributed to 5,261 students and […]
Read More… from Relationship between internet addiction and depression among Japanese university students.
Psychiatry Investig. 2019 Feb;16(2):115-120. doi: 10.30773/pi.2018.12.25.2 Tateno M1,2, Kim DJ3, Teo AR4,5, Skokauskas N6, Guerrero APS7, Kato TA8. Abstract OBJECTIVE: Smartphone use is pervasive among youth in Japan, as with many other countries, and is associated with spending time online and on social media anywhere at any time. This study aimed to test a Japanese […]
Read More… from Smartphone Addiction in Japanese College Students: Usefulness of the Japanese Version of the Smartphone Addiction Scale as a Screening Tool for a New Form of Internet Addiction (2019)
International Journal of the Sociology of Leisure, pp 1–25 Maki Hirayama First Online: 24 January 2019 Abstract In Japan more young people became sexually inactive in 2000s, especially since around 2005.On the other hand, Internet and digital technology were spread in the same period. In this paper, five phases of Internet and digital technology are investigated […]
Read More… from Developments in Information Technology and the Sexual Depression of Japanese Youth since 2000 (2019)
Psychiatry Clin Neurosci. 2018 Oct 29. doi: 10.1111/pcn.12791. Kojima R1, Sato M2, Akiyama Y1, Shinohara R3, Mizorogi S1,4, Suzuki K5, Yokomichi H1, Yamagata Z1,2. Abstract AIM: There have been concerns about the increase in problematic Internet use (PIU) and its impact on lifestyle habits and health-related symptoms, given the rapid spread of smartphones. This study […]
Read More… from Problematic Internet use and its associations with health-related symptoms and lifestyle habits among rural Japanese adolescents (2018)
Soc Psychiatry Psychiatr Epidemiol. 2018 Sep 25. doi: 10.1007/s00127-018-1605-z. Takahashi M1, Adachi M2, Nishimura T3, Hirota T4, Yasuda S2, Kuribayashi M2, Nakamura K2,5. Abstract PURPOSE: Pathological Internet use has been predominantly studied in junior high/middle school-aged or older children; data from elementary/primary school-aged children, however, are scarce. The current study aimed to examine the prevalence […]
Read More… from Prevalence of pathological and maladaptive Internet use and the association with depression and health-related quality of life in Japanese elementary and junior high school-aged children (2018)
Psychiatry Clin Neurosci. 2018 May 30. doi: 10.1111/pcn.12686. Tateno M1,2, Teo AR3,4, Shiraishi M2, Tayama M2,5, Kawanishi C2, Kato TA6. Abstract AIM: Due to variation in estimates of the prevalence of internet addiction (IA) in prior research, we conducted two cross-sectional studies over two years and investigated the prevalence rate of IA in college students […]
Read More… from The prevalence rate of internet addiction among Japanese college students: two cross-sectional studies and reconsideration of cut-off points of Young’s internet addiction test in Japan (2018)
BMC Psychiatry. 2018 Jan 17;18(1):9. doi: 10.1186/s12888-018-1588-z. de Vries HT1, Nakamae T2, Fukui K3, Denys D4,5, Narumoto J6. Abstract BACKGROUND: Many studies reported the high prevalence of problematic internet use (PIU) among adolescents (13-50%), and PIU was associated with various psychiatric symptoms. In contrast, only a few studies investigated the prevalence among the adult population […]
Read More… from Problematic internet use and psychiatric co-morbidity in a population of Japanese adult psychiatric patients (2018)