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  1. Dreaming and the brain: Toward a cognitive neuroscience of conscious states.J. Allan Hobson, Edward F. Pace-Schott & Robert Stickgold - 2003 - In Edward F. Pace-Schott, Mark Solms, Mark Blagrove & Stevan Harnad (eds.), Sleep and Dreaming: Scientific Advances and Reconsiderations. Cambridge University Press. pp. 793-842.
    Sleep researchers in different disciplines disagree about how fully dreaming can be explained in terms of brain physiology. Debate has focused on whether REM sleep dreaming is qualitatively different from nonREM (NREM) sleep and waking. A review of psychophysiological studies shows clear quantitative differences between REM and NREM mentation and between REM and waking mentation. Recent neuroimaging and neurophysiological studies also differentiate REM, NREM, and waking in features with phenomenological implications. Both evidence and theory suggest that there are isomorphisms between (...)
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  • Auditory Verbal Experience and Agency in Waking, Sleep Onset, REM, and Non‐REM Sleep.Jana Speth, Trevor A. Harley & Clemens Speth - 2017 - Cognitive Science 41 (3):723-743.
    We present one of the first quantitative studies on auditory verbal experiences (“hearing voices”) and auditory verbal agency (inner speech, and specifically “talking to (imaginary) voices or characters”) in healthy participants across states of consciousness. Tools of quantitative linguistic analysis were used to measure participants’ implicit knowledge of auditory verbal experiences (VE) and auditory verbal agencies (VA), displayed in mentation reports from four different states. Analysis was conducted on a total of 569 mentation reports from rapid eye movement (REM) sleep, (...)
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  • Cognitive and emotional processes during dreaming: A neuroimaging view.Martin Desseilles, Thien Thanh Dang-Vu, Virginie Sterpenich & Sophie Schwartz - 2011 - Consciousness and Cognition 20 (4):998-1008.
    Dream is a state of consciousness characterized by internally-generated sensory, cognitive and emotional experiences occurring during sleep. Dream reports tend to be particularly abundant, with complex, emotional, and perceptually vivid experiences after awakenings from rapid eye movement sleep. This is why our current knowledge of the cerebral correlates of dreaming, mainly derives from studies of REM sleep. Neuroimaging results show that REM sleep is characterized by a specific pattern of regional brain activity. We demonstrate that this heterogeneous distribution of brain (...)
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  • Auditory Verbal Experience and Agency in Waking, Sleep Onset, REM, and Non‐REM Sleep.Speth Jana, A. Harley Trevor & Speth Clemens - 2016 - Cognitive Science 40 (7):723-743.
    We present one of the first quantitative studies on auditory verbal experiences and auditory verbal agency voices or characters”) in healthy participants across states of consciousness. Tools of quantitative linguistic analysis were used to measure participants’ implicit knowledge of auditory verbal experiences and auditory verbal agencies, displayed in mentation reports from four different states. Analysis was conducted on a total of 569 mentation reports from rapid eye movement sleep, non-REM sleep, sleep onset, and waking. Physiology was controlled with the nightcap (...)
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  • Psychobiology of altered states of consciousness.Dieter Vaitl, Niels Birbaumer, John Gruzelier, Graham A. Jamieson, Boris Kotchoubey, Andrea Kübler, Dietrich Lehmann, Wolfgang H. R. Miltner, Ulrich Ott, Peter Pütz, Gebhard Sammer, Inge Strauch, Ute Strehl, Jiri Wackermann & Thomas Weiss - 2005 - Psychological Bulletin 131 (1):98-127.
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  • Dreaming and the brain: Toward a cognitive neuroscience of conscious states.J. Allan Hobson, Edward F. Pace-Schott & Robert Stickgold - 2000 - Behavioral and Brain Sciences 23 (6):793-842; 904-1018; 1083-1121.
    Sleep researchers in different disciplines disagree about how fully dreaming can be explained in terms of brain physiology. Debate has focused on whether REM sleep dreaming is qualitatively different from nonREM (NREM) sleep and waking. A review of psychophysiological studies shows clear quantitative differences between REM and NREM mentation and between REM and waking mentation. Recent neuroimaging and neurophysiological studies also differentiate REM, NREM, and waking in features with phenomenological implications. Both evidence and theory suggest that there are isomorphisms between (...)
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  • A differentiating empirical linguistic analysis of dreamer activity in reports of EEG-controlled REM-dreams and hypnagogic hallucinations.Jana Speth, Clemens Frenzel & Ursula Voss - 2013 - Consciousness and Cognition 22 (3):1013-1021.
    We present Activity Analysis as a new method for the quantification of subjective reports of altered states of consciousness with regard to the indicated level of simulated motor activity. Empirical linguistic activity analysis was conducted with dream reports conceived immediately after EEG-controlled periods of hypnagogic hallucinations and REM-sleep in the sleep laboratory. Reports of REM-dreams exhibited a significantly higher level of simulated physical dreamer activity, while hypnagogic hallucinations appear to be experienced mostly from the point of passive observer. This study (...)
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