The vestibulo-ocular reflex plays an important role in controlling the gaze at a visual target. Although patients with vestibular hypofunction aim to improve their VOR function, some retain dysfunction for a long time. Previous studies have explored the effects of direct current stimulation on vestibular function; however, the effects of random noise stimulation on eye–head coordination have not previously been tested. Therefore, we aimed to clarify the effects of high frequency noisy vestibular stimulation on eye–head coordination related to VOR function. (...) Thirteen healthy young adult participants with no serious disease took part in our study. The current amplitude and density used were 0.4 mA and 0.2 mA/cm2, respectively, with a random noise frequency of 100–640 Hz. The electrodes were located on both mastoid processes. The stimulus duration and fade in/out duration were 600 and 10 s, respectively. Subjects oscillated their head horizontally, gazing at the fixation point, at 1 Hz for 30 repetitions. The coordination of eye–head movements was measured by eye-tracking and a motion capture system. Peak-to-peak angles for eye and head movement and deviation of the visual line from the fixation target revealed no significant differences between HF-nVS and sham. The lag time between the eye and head movement with HF-nVS post-stimulation was significantly shorter than that of the sham. We found that HF-nVS can reduce the lag time between eye and head movement and improve coordination, contributing to a clear retinal image. This technique could be applied as a form of VOR training for patients with vestibular hypofunction. (shrink)

Education about catastrophes often begins with, and at times even focuses on, passing down catastrophe memories. For this education, catastrophe memories that are unique to the survivors must be translated carefully to ensure that they can be understood by successors who may not have experienced a catastrophe themselves. This study elaborates on the structure of the translation of these memories between the survivors and successors. It also focuses on the educational significance of the practical application of such translations. Section 1 (...) describes the purpose of this study while Section 2 examines the reasons for the emphasis on passing down survivors’ memories in catastrophe education. Section 3 focuses on telling-listening exchanges while passing down these memories and examines the structure and characteristics of such exchanges. It was identified that it is imperative that these exchanges should communicate the experience that cannot be translated in words or is incommensurable. If both, the survivors and successors, are truthful to the incommensurability, and if they both dare to experience it, they will be able to find the potential and possibilities to transform human lives and societies while weaving together the narratives of catastrophe memories that would be transformed and generated endlessly. (shrink)

BackgroundProblematic pornography use is considered an addictive behavior, which is an important clinical issue. Despite considerable research interest in problematic pornography use worldwide, to the best of our knowledge, there are no extant studies on the subject in Japan. Therefore, despite the fact that many people in Japan use pornography, the difference between problematic and non-problematic users among Japanese people is not known.ObjectiveThis study aimed to identify the characteristics of problematic pornography use among Japanese students, to the best of our (...) knowledge. Specifically, we examined general psychopathological symptoms, sexual compulsivity, depression, anxiety, and low effortful control.MethodsThe participants were 150 college students aged 20–26 years at a university in midland Japan. An online questionnaire was administered that included items on pornography usage patterns, impaired control of pornography use, sexual compulsivity, depression, anxiety, and effortful control.ResultsMost men and approximately one-third of women used pornography at least once in the past month. Some users reported significant daily-life problems due to difficulty in controlling pornography use. Participants with impaired control of pornography use had higher depression, anxiety, and sexual compulsivity, and lower effortful control than pornography users without impaired control.ConclusionSome Japanese students reported significant daily-life problems due to impaired control of pornography use. The characteristics of individuals with impaired control are consistent with previous studies. The results of this study suggest that individuals with impaired control may have poor mental health, and that there is need for further research and development of treatment systems to manage this issue in Japan. Further research exploring a more varied sample in Japan is required to effectively examine problematic pornography use. (shrink)

Ruyu HungNational Chiayi University, TaiwanThis is a collective writing experiment of PESA members, orchestrating the Philosophy of Education in a New Key regarding East Asia. In 2016 the pioneerin...