13 found
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  1.  66
    Induction of Lucid Dreams: A Systematic Review of Evidence.Tadas Stumbrys, Daniel Erlacher, Melanie Schädlich & Michael Schredl - 2012 - Consciousness and Cognition 21 (3):1456-1475.
    In lucid dreams the dreamer is aware of dreaming and often able to influence the ongoing dream content. Lucid dreaming is a learnable skill and a variety of techniques is suggested for lucid dreaming induction. This systematic review evaluated the evidence for the effectiveness of induction techniques. A comprehensive literature search was carried out in biomedical databases and specific resources. Thirty-five studies were included in the analysis , of which 26 employed cognitive techniques, 11 external stimulation and one drug application. (...)
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  2.  18
    Emotions in Diary Dreams.Michael Schredl & Evelyn Doll - 1998 - Consciousness and Cognition 7 (4):634-646.
    Even though various investigations found a preponderance of negative emotions in dreams, the conclusion that human dream life is, in general, negatively toned is limited by several methodological issues. The present study made use of three different approaches to measure dream emotions: dream intensity rated by the dreamer, intensity rated by a judge, and scoring of explicitly mentioned emotions (Hall & Van de Castle, 1966). Results indicate that only in the case of external raters' estimates do negative emotions outweigh the (...)
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  3.  42
    Testing the Involvement of the Prefrontal Cortex in Lucid Dreaming: A tDCS Study.Tadas Stumbrys, Daniel Erlacher & Michael Schredl - 2013 - Consciousness and Cognition 22 (4):1214-1222.
    Recent studies suggest that lucid dreaming might be associated with increased brain activity over frontal regions during rapid eye movement sleep. By applying transcranial direct current stimulation , we aimed to manipulate the activation of the dorsolateral prefrontal cortex during REM sleep to increase dream lucidity. Nineteen participants spent three consecutive nights in a sleep laboratory. On the second and third nights they randomly received either 1 mA tDCS for 10 min or sham stimulation during each REM period starting with (...)
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  4.  15
    Dream Research in Schizophrenia: Methodological Issues and a Dimensional Approach.Michael Schredl - 2011 - Consciousness and Cognition 20 (4):1036-1041.
    Dreaming in patients with schizophrenia was and is of particular interest to researchers and clinicians due to the phenomenological similarities between the dreaming state and schizophrenic daytime symptomatology such as bizarre thoughts or hallucinations. Extensive literature reviews have shown that dream studies in the field of psychopathology often do not fulfill common scientific criteria. The present paper focuses on the methodological issues like sampling methods, the dream collection method, and dream content analysis that are crucial with regard to the validity (...)
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  5.  50
    Dream Research: Integration of Physiological and Psychological Models.Michael Schredl - 2000 - Behavioral and Brain Sciences 23 (6):1001-1003.
    All five target articles are of high quality and very stimulating for the field. Several factors such as dream report length and NREM/REM differences, may be affected by the waking process (transition from sleep to wakefulness) and the recall process. It is helpful to distinguish between a model for REM sleep regulation and a physiological model for dreaming. A third model accounting for cognitive activity (thought-like dreaming) can also be of value. The postulated adaptive function of dreaming in avoidance learning (...)
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  6.  1
    Dreaming in Adolescents During the COVID-19 Health Crisis: Survey Among a Sample of European School Students.Ana Guerrero-Gomez, Isabel Nöthen-Garunja, Michael Schredl, Annelore Homberg, Maria Vulcan, Asja Brusić, Caterina Bonizzi & Cecilia Iannaco - 2021 - Frontiers in Psychology 12.
    According to the continuity hypothesis of dreaming and contemporary psychodynamic approaches, dreams reflect waking life. The aim of the present study was to explore the relationship between the COVID-19 pandemic and dreaming in adolescents. A cross-sectional survey was conducted in Italy, Romania and Croatia involving 2,105 secondary school students. No substantial differences between countries were found. Thirty-one percent of the participants reported heightened dream recall, 18% noticed an increase in nightmares during the lockdown, and 15% of the provided dreams included (...)
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  7. Exploring the Range of Reported Dream Lucidity.Remington Mallett, Michelle Carr, Martin Freegard, Karen Konkoly, Ceri Bradshaw & Michael Schredl - 2021 - Philosophy and the Mind Sciences 2:1-23.
    Dream lucidity, or being aware that one is dreaming while dreaming, is not an all-or-none phenomenon. Often, subjects report being some variant of “a little lucid” as opposed to completely or not at all. As recent neuroimaging work begins to elucidate the neural underpinnings of lucid experience, understanding subtle phenomenological variation within lucid dreams is essential. Here, we focus on the variability of lucid experience by asking participants to report their awareness of the dream on a 5-point Likert scale. Participants (...)
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  8.  15
    Reliability in Dream Research: A Methodological Note.Michael Schredl, Arthur T. Funkhouser, Claude M. Cornu, Hans-Peter Hirsbrunner & Marcel Bahro - 2001 - Consciousness and Cognition 10 (4):496-502.
    The coefficients of internal consistency and retest reliability had been rarely investigated within the methodology of dream content analysis. Analyzing a dream series of elderly, healthy persons obtained from weekly telephone interviews, the internal consistency of a series of 20 dreams and retests after 4 or 22 weeks, respectively, had been computed. The findings indicate that dream recall and dream length are quite stable, but dream characteristics such as bizarreness and emotional tone underlie large intraindividual fluctuations. In order to obtain (...)
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  9.  39
    Rem Sleep, Dreaming, and Procedural Memory.Michael Schredl - 2005 - Behavioral and Brain Sciences 28 (1):80-81.
    In this commentary the “incredibly robust” evidence for the relationship between sleep and procedural memory is questioned; inconsistencies in the existing data are pointed out. In addition, some suggestions about extending research are made, for example, studying REM sleep augmentation or memory consolidation in patients with sleep disorders. Last, the possibility of a relationship between dreaming and memory processes is discussed.
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  10.  18
    Sex Differences in Dream Aggression.Michael Schredl - 2009 - Behavioral and Brain Sciences 32 (3-4):287-288.
    Dream research shows sex differences in dream aggression that fit very well with the findings for waking-life aggressive behaviour. Dream studies are a valuable tool for investigating variables underlying the sex difference in aggression. One might argue that studying dream aggression might be even more promising because aggression in dreams is not socially labelled, as being aggressive in waking life is.
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  11.  10
    Studying the Relationship Between Dreaming and Sleep-Dependent Memory Processes: Methodological Challenges.Michael Schredl - 2013 - Behavioral and Brain Sciences 36 (6):628-629.
    The hypothesis that dreaming is involved in off-line memory processing is difficult to test because major methodological issues have to be addressed, such as dream recall and the effect of remembered dreams on memory. It would be fruitful to study the dreams of persons who use AAOM regularly.
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  12.  20
    Elisabeth Bacon, Jean-Marie Danion, Françoise Kauffmann-Muller, and Agnes Bruant. Conscious.Terence V. Sewards, Mark A. Sewards, Nachshon Meiran, Bernhard Hommel, Uri Bibi, Idit Lev, Michael Schredl, Arthur T. Funkhouser, Claude M. Cornu & Hans-Peter Hirsbrunner - 2001 - Consciousness and Cognition 10:436.
  13.  5
    Dream Lucidity is Associated with Positive Waking Mood.Abigail Stocks, Michelle Carr, Remington Mallett, Karen Konkoly, Alisha Hicks, Megan Crawford, Michael Schredl & Ceri Bradshaw - 2020 - Consciousness and Cognition 83:102971.