This paper approaches the debate whether perceptual consciousness requires cognitive access from the perspective of dream studies, and investigates what kind of findings could support the opposing views of this debate. Two kinds of arguments are discussed, one that claims that the hypoactivity of the dorsolateral prefrontal cortex in rapid eye movement sleep is directly relevant, and another...
Dreaming can occur in both rapid eye movement (REM) and non-REM (NREM) sleep. We recently showed that in both REM and NREM sleep, dreaming is associated with local decreases in slow wave activity (SWA) in posterior brain regions. To expand these findings, here we asked how specific features of slow waves and spindles, the hallmarks of NREM sleep, relate to dream experiences. Fourteen healthy...
We pilot tested the efficacy of a virtual reality-based imagery rehearsal and rescripting treatment (ReScript) for nightmares. Nineteen community volunteers (Mage = 49 years) who varied in terms of their nightmare distress levels participated in a 4-week-long trial of ReScript therapy. Participants used VR manual controls in an Oculus headset to manipulate 3 scary or threatening images per...
This article reports the first systematic study on lucid nightmares—terrifying lucid dreams with a lack of dream control. An online survey was completed by 634 participants, of whom 574 had had previous lucid dream experience. According to the reports of lucid dreamers, less than half of them had experienced a lucid nightmare, and only 1% of them could be considered as suffering from lucid...
The present study is a comparison of dream content between monks and nonreligious respondents, aiming to understand the unconscious of monks, and to further explore the influence of religion on our human mind. The authors interviewed participants to collect dreams and then explored similarities and differences through content analysis. A total of 127 participants reported their dreams, 65 monks...
REM sleep is a state of desynchronized electrophysiological activity of the brain. It is usually accompanied by mental activity characterized by a succession of complex visual experiences commonly referred to as dreaming. Although REM sleep and dreaming are not implicitly conjoined, when they co-occur, they have a very distinct phenomenology, as, typically, the dream plot is bizarre and...
Most studies looking into the relationship between lucid dream frequency and personality were based on questionnaire measures of lucid dream frequency. Thus, the aim was to investigate the effect of keeping a dream diary on lucid dream frequency and the correlates of the frequency of lucid dreams in the diary with the Big Five personality factors. The study included 1,612 dreams reported by 425...
Humans are typically unable to engage in sustained smooth pursuit for imagined objects. However, it is unknown to what extent smooth tracking occurs for visual imagery during REM sleep dreaming. Here we examine smooth pursuit eye movements during tracking of a slow-moving visual target during lucid dreams in REM sleep. Highly similar smooth pursuit tracking was observed during both waking...
Journal of Clinical Sleep Medicine, Vol. 14, No. 8 August 15, 2018 Creamer and colleagues1 have addressed the very important topic of the high prevalence of clinically significant nightmares (31.2% of 473 military personnel met criteria for nightmare disorder [NDO] and endorsed trouble falling asleep because of bad dreams on at least a weekly basis) among military personnel, with possibly only...
Lucid dreaming is a remarkable state of consciousness in which one is aware of the fact that one is dreaming while continuing to dream. Based on the strong relationship between physiological activation during rapid eye-movement sleep and lucid dreaming, our pilot research investigated whether enhancing cortical activation via acetylcholinesterease inhibition (AChEI) would increase the frequency...
Can dreams reveal insight into our cognitive abilities and aptitudes (i.e., “human intelligence”)? The relationship between dream production and trait-like cognitive abilities is the foundation of several long-standing theories on the neurocognitive and cognitive-psychological basis of dreaming. However, direct experimental evidence is sparse and remains contentious. On the other hand, recent...
As an anthropologist, Felicitas Goodman examined the effect of what she believed to be the ritual body postures of shamans, both current and ancient, and found that they gave direction to their shamanic journeying. This research of Goodman and now James Honeycutt opens a new door, a new tool that can be an important addition to the tools of psychotherapy. In her research of ecstatic trance,...
An experimental home study examined the impact of a pre-sleep protocol for enhancing self-awareness, lucidity, and responsiveness in dreams. It included ingesting the cholinesterase inhibitor galantamine--which is widely reported to increase the frequency of lucid dreaming--prior to engaging in middle-of-the-night meditation and the imaginary reliving of a distressing dream while exercising new...
Using the grounded theory method (GTM), this article proposes an “integral” model for studying the development and use of virtual and augmented reality (VR/AR) technologies. Integral models seek holistic understanding by combining third-person, empirical perspectives with first-person, subjective experience. Here, the proposed model provides a comparative analysis of immersive virtual reality...
Objective: This report aims to extend previous findings on predictors of treatment dropout and response within nightmare treatment. Method: Factors predicting treatment noninitiation, dropout, and response were examined in 70 trauma-exposed individuals treated in a randomized controlled trial of 2 conditions (exposure [EX] and nonexposure) of a therapy for trauma nightmares. Results: Together,...
Although dreaming is personal myth experience occurring in the inner world of the person while sleeping there are quite a few features and symbols regarding dreaming that is deserving being measured and investigate and may help in treating a lot of psychological diseases. The present study using, literature data, questionnaire, and the interview with 50 people to interpreting and understanding...
Are dreams bizarre, nonsensical experiences or real-world simulations? I introduce a pluralist approach to dream content that highlights the philosophical and empirical implications of treating dreaming as a highly varied experience that can be anywhere on a spectrum from truly bizarre and incoherent to wake-like and mundane. Here I discuss several explanations for why theorists disagree on...
As connections between nightmares and various psychiatric disorders have been reported, the clinical significance of studying dream emotionality is now growing in importance. Because the olfactory bulb connects directly to the amygdala odor presentation may be a crucial tool to study dream emotions. Previous studies have demonstrated that presentation of positive/negative odors during rapid eye...
Rapid eye movement (REM) sleep has been frequently associated with dreaming. However, mounting evidence obtained from behavioral, pharmacological, and brain imaging studies suggests that REM sleep is not indicative of the dream report and may originate from diverse neural substrates in brain functionality. The aim of the current study was to investigate the functional systems associated with...
Experiences during anaesthetic-induced unresponsiveness have previously been investigated by interviews after recovery. To explore whether experiences occur during drug administration, we interviewed participants during target-controlled infusion (TCI) of dexmedetomidine or propofol and after recovery. Healthy participants received dexmedetomidine (n=23) or propofol (n=24) in stepwise...