Cited by 57Sleep and Wakefulness ResearchPhilosophy and Theoretical ScienceSleep and related disorders

Microdream neurophenomenology

Open access
Nielsen, Tore·2017·Neuroscience of Consciousness

Abstract

Nightly transitions into sleep are usually uneventful and transpire in the blink of an eye. But in the laboratory these transitions afford a unique view of how experience is transformed from the perceptually grounded consciousness of wakefulness to the hallucinatory simulations of dreaming. The present review considers imagery in the sleep-onset transition-"microdreams" in particular-as an alternative object of study to dreaming as traditionally studied in the sleep lab. A focus on microdream phenomenology has thus far proven fruitful in preliminary efforts to (i) develop a classification for dreaming's core phenomenology (the "oneiragogic spectrum"), (ii) establish a structure for assessing dreaming's multiple memory inputs ("multi-temporal memory sources"), (iii) further Silberer's project for classifying sleep-onset images in relation to waking cognition by revealing two new imagery types ("autosensory imagery," "exosensory imagery"), and (iv) embed a potential understanding of microdreaming processes in a larger explanatory framework ("multisensory integration approach"). Such efforts may help resolve outstanding questions about dream neurophysiology and dreaming's role in memory consolidation during sleep but may also advance discovery in the neuroscience of consciousness more broadly.

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  • Our observations could be skewed to reflect peculiarities of short-latency sleep onset mentation, rather than being representative of dreams from all sleep stages at all times of night.

    “Because of this, our observations could be skewed to reflect peculiarities of this particular type of mentation [76], rather than being representative of dreams from all sleep stages at all times of night.”

    From Constructive episodic simulation in dreams (2022) · cites this paper as [76]

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Research works printed but not linked: 6

  1. Arkin AM, Antrobus JS. The effects of external stimuli applied prior to and during sleep on sleep experience In: Ellman SJ, Antrobus JS (eds), The Mind in Sleep, 2 edn. New York: John Wiley & Sons, Inc, 1991, 265– 307.
  2. Foulkes D, Scott E. An above-zero baseline for the incidence of momentary hallucinatory mentation. Sleep Res 1973; 2: 108.
  3. Germain A, Nielsen TA. EEG power associated with early sleep onset images differing in sensory content. Sleep Res Online 2001; 4: 83– 90.
  4. Lehmann D, Dumermuth G, Lange B Dream recall related to EEG spectral power during REM periods. Sleep Res 1981; 10: 151.
  5. Tanaka H, Hayashi M, Hori T, Coherence analysis of topographical characteristics of the hypnagogic EEG In: Koga Y, Nagata K, Kirata K (eds), Brain Topography Today. Amsterdam: Elsevier, 1998a, 309– 12.
  6. Windt JM, Dreaming: A Conceptual Framework for Philosophy of Mind and Empirical Research. Cambridge, MA: MIT Press, 2015.

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Authors
Nielsen, T.
Affiliations
Dream & Nightmare Laboratory, Center for Advanced Research in Sleep Medicine, Hopital du Sacre-Coeur de Montreal and Department of Psychiatry, University of Montreal, Canada
Venue
Neuroscience of Consciousness
Published
2017-01-01
Volume
2017
Issue
1
Pages
nix001-nix001
ISSN
2057-2107 (ISSN-L)
OpenAlex
W4243480554
Cited by
56
References
100
Citations by year
2026: 3 · 2025: 5 · 2024: 6 · 2023: 6 · 2022: 7 · 2021: 7 · 2020: 13 · 2019: 3 · 2018: 4 · 2017: 2
FWCI
0.67
Type
journal article
Language
en
Open access
Locations
  • Neuroscience of Consciousness (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Philosophy and Theoretical Science
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
Keywords
phenomenology of dreams, multisensory integration, memory consolidation, dream classification

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