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Volume 25 (2007)
- Issue 3 Pages 227-
- Issue 2 Pages 91-
- Issue 1 Pages 1-
Volume 25, Issue 1
Displaying 1-7 of 7 articles from this issue
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Kazuhiko FUKUDA2007 Volume 25 Issue 1 Pages 1-4
Published: April 30, 2007
Released on J-STAGE: November 27, 2012
JOURNAL FREE ACCESSDownload PDF (676K) -
Keiko OGAWA, Hiroshi NITTONO, Tadao HORI2007 Volume 25 Issue 1 Pages 5-15
Published: April 30, 2007
Released on J-STAGE: November 27, 2012
JOURNAL FREE ACCESSDuring rapid eye movement (REM) sleep, the experience of dreaming is vivid, bizarre, illogical, emotional and impressive and is accompanied by rapid eye movements similar to wakefulness. In this article, studies of the relationship between rapid eye movements and dreaming are reviewed. Moreover, investigations conducted in our laboratory on eventrelated brain potential (ERP) related to rapid eye movements during REM sleep are introduced. In the current ERP study, we have suggested a possible mechanism responsible for generating visual dream imagery. (Japanese Journal of Physiological Psychology and Psychophysiology, 25 (1) : 5-15, 2007.)View full abstractDownload PDF (4591K) -
Hiroyuki SUZUKI2007 Volume 25 Issue 1 Pages 17-34
Published: April 30, 2007
Released on J-STAGE: November 27, 2012
JOURNAL FREE ACCESSRecent studies have provided evidence that information processing occurs during sleep as well as in the daytime. This paper reviews the literature on information processing during sleep from the viewpoints of 1) input : response to external stimuli during sleep, 2) processing : consolidation and improvement of learned memory during sleep, and 3) output : temporal features of dream occurrence and characteristics of dream content. Although during sleep the ability to respond to external stimuli decreases, psychological functions, such as attention and motivation, are maintained. Sleep is required after training in order to improve certain types of procedural and declarative memory. Dreaming occurs frequently in the morning, and altered association of semantic memories is related to the unique quality of dream contents. Progress in the study of information processing during sleep will provide further understandings of human cognitive function and mental activity. (Japanese Journal of Physiological Psychology and Psychophysiology, 25 (1) : 17-34, 2007.)View full abstractDownload PDF (3223K) -
Shoichi ASAOKA, Kazuhiko FUKUDA, Katuo YAMAZAKI2007 Volume 25 Issue 1 Pages 35-43
Published: April 30, 2007
Released on J-STAGE: November 27, 2012
JOURNAL FREE ACCESSThe average duration of sleep in Japanese decreased by 1 hour over the last 40 years, and this trend is also found in students. They show strong daytime sleepiness, compared with adults. Previous studies have showed their poor sleep habits are related with various problems. Therefore, in this article, development of sleep from infants to university students is reviewed. Adverse effects of the poor sleep habits on their daytime function and social factors of their sleep habits are also reviewed in this article. (Japanese Journal of Physiological Psychology and Psychophysiology, 25 (1) : 35-43, 2007.)View full abstractDownload PDF (1703K) -
Mitsuo HAYASHI, Tadao HORI2007 Volume 25 Issue 1 Pages 45-59
Published: April 30, 2007
Released on J-STAGE: November 27, 2012
JOURNAL FREE ACCESSSleepiness is a common phenomenon in the mid-afternoon, and it causes the so-called 'post-lunch dip' in performance. Recent investigations have demonstrated that a short nap of less than 30 minutes is effective in maintaining daytime arousal. This type of nap has no slow wave sleep and therefore, it is associated with little sleep inertia immediately after awakening. It is pointed out that caffeine, bright lights, music, washing the face, and self-awakening reduces sleep inertia and further enhances the effects of a short nap. (Japanese Journal of Physiological Psychology and Psychophysiology, 25 (1) : 45-59, 2007.)View full abstractDownload PDF (2216K) -
Hideki TANAKA, Masateru MATUSHITA, Maki FURUTANI2007 Volume 25 Issue 1 Pages 61-71
Published: 2007
Released on J-STAGE: November 27, 2012
JOURNAL FREE ACCESSThis article is an overview of sleep and health in the elderly, and the characteristics of insomnia among the elderly. At the same time, it introduces the scientific basis for lifestyle guidance that is effective for ensuring comfortable sleep, an essential condition for a healthy, energetic old age, with actual examples from community public health sites. The study was to examine the effects of short nap and exercise on the sleep quality and mental health of elderly people. “Interventions” by short nap after lunch and exercise with moderate-intensity in the evening were carried out for 4 weeks. Present results demonstrated that the proper awakening maintenance during evening was effective in improving sleep quality. Furthermore, after the “cognitive-behavioral intervention”, mental, physical health were also improved with improving sleep quality. These results suggest that cognitive-behavioral intervention to improve the sleep technique is effective for the QOL (quality of life) and the ADL (activity of daily living) of elderly people. (Japanese Journal of Physiological Psychology and Psychophysiology, 25 (1) : 61-71, 2007.)View full abstractDownload PDF (1649K) -
Hiroki NOGUCHI, Toshio NAKANO2007 Volume 25 Issue 1 Pages 73-87
Published: 2007
Released on J-STAGE: November 27, 2012
JOURNAL FREE ACCESSCreatures on Earth have circadian system to live efficiently in light/dark cycle of 24-hour. After twilight, core body temperature and alertness start declining following beginning of melatonin secretion in human. These physiological functions help us sleep soundly. In the first half of this paper, core body temperature and melatonin known as indices reflecting circadian rhythmicity are explained regarding the relationship between its circadian variation and sleep. Later, some specific ways to support sound sleep by designing lighting environment and bedroom from the viewpoint of circadian physiology are introduced. (Japanese Journal of Physiological Psychology and Psychophysiology, 25 (1) : 73-87, 2007.)View full abstractDownload PDF (2800K)
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