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Health Sciences; Social Sciences and Humanities

Tore André Nielsen

Neurophysiologie et neurocognition des rêves et des cauchemars

Professeur titulaire

Faculté de médecine - Département de psychiatrie et d’addictologie

tore.nielsen@umontreal.ca

Secondary numbers: 514 338-2531 (Télécopieur) 514 338-2222 #3350 (Travail 2)

Profile

Research expertise

  • Phénoménologie de l’endormissement et des images hypnagogiques
  • Implication de sommeil et rêves dans l'apprentissage et la mémoire
  • Psychophysiologie et neuroimagerie de patients atteints de cauchemars
  • Rêves, cauchemars et Covid-19 
  • Effet de la privation de sommeil paradoxal sur les expériences mentales en sommeil

Affiliations and responsabilities

Research affiliations

Research units

Membre

Affiliated institutions

  • CIUSSS du Nord-de-l'Île-de-Montréal – Hôpital du Sacré-Cœur de Montréal (HSCM)

Teaching and supervision

Student supervision

Theses and dissertation supervision (Papyrus Institutional Repository)

2019

Impact de la stimulation transcrânienne par courant alternatif sur la prise de conscience dans les rêves

Graduate : Blanchette-Carrière, Cloé
Cycle : Master's
Grade : M. Sc.
2016

Rêves et émotions chez des sujets souffrant du trouble comportemental en sommeil paradoxal

Graduate : Godin, Isabelle
Cycle : Doctoral
Grade : Ph. D.
2016

Influence of frequent nightmares on REM sleep-dependent emotional memory processing

Graduate : Carr, Michelle
Cycle : Doctoral
Grade : Ph. D.
2015

Dysfonction exécutive liée aux cauchemars idiopathiques fréquents : une étude de reproduction

Graduate : Saint-Onge, Kadia
Cycle : Master's
Grade : M. Sc.
2011

The role of sleep and dreaming in the processing of episodic memory

Graduate : Stenstrom, Philippe
Cycle : Doctoral
Grade : Ph. D.

2009

Les rêves dysphoriques chez les enfants : épidémiologie, facteurs de risque et traitement

Graduate : Simard, Valérie
Cycle : Doctoral
Grade : Ph. D.

2007

Le sentiment de présence comme précurseur d'incorporation de stimuli dans les rêves

Graduate : Saucier, Sébastien
Cycle : Master's
Grade : M. Sc.

Theses and dissertation supervision

  • Jennifer Windt, A conceptual framework for philosophy of mind and empirical research. Johannes Gutenberg-Universität (Mainz, Germany) - Université de Montréal. 2011-2013.

Projects

Research projects

2018 - 2024

An assemblyline model of sleep, dreaming and memory enhancement: investigating the coordinated roles of REM and nonREM sleep in human memory consolidation

Lead researcher : Tore André Nielsen
Funding sources: CRSNG/Conseil de recherches en sciences naturelles et génie du Canada (CRSNG)
Grant programs: PVX20965-(RGP) Programme de subvention à la découverte individuelle ou de groupe
2020 - 2021

Supplément COVID-19 CRSNG_An assemblyline model of sleep, dreaming and memory enhancement: investigating the coordinated roles of REM and nonREM sleep in human memory consolidation

Funding sources: CRSNG/Conseil de recherches en sciences naturelles et génie du Canada (CRSNG)
Grant programs: PVXXXXXX-Supplément à l’appui des étudiants, des stagiaires postdoctoraux et du personnel de soutien à la recherche COVID-19
2012 - 2019

THE ROLE OF DREAMING IN REM AND NREM SLEEP-DEPENDENT MEMORY FUNCTIONS

Lead researcher : Tore André Nielsen
Funding sources: CRSNG/Conseil de recherches en sciences naturelles et génie du Canada (CRSNG)
Grant programs: PVX20965-(RGP) Programme de subvention à la découverte individuelle ou de groupe
2016 - 2018

Transcranial alternating current (tAC) stimulation: a method for inducing lucid dreams and gaining control over dreams

Lead researcher : Tore André Nielsen
Co-researchers : Julie Carrier
Funding sources: International Association for the study of Dreams
Grant programs:
2011 - 2016

THE NEURO-CIRCUITRY OF TERROR: HIGH RESOLUTION SPECT IMAGING OF REM SLEEP IN PTSD AND NIGHTMARE DISORDER

Lead researcher : Tore André Nielsen
2011 - 2016

THE NEURO-CIRCUITRY OF TERROR : HIGH RESOLUTION SPECT IMAGING OF REM SLEEP IN PTSD AND NIGHTMARE DISORDER

Lead researcher : Tore André Nielsen
Funding sources: IRSC/Instituts de recherche en santé du Canada
Grant programs: PVXX5647-(MOP) Subvention de fonctionnement incluant les subventions de fonctionnement programmatiques (général)
2013 - 2015

THE ROLE OF DREAMING IN REM AND NREM SLEEP-DEPENDENT MEMORY FUNCTIONS

Lead researcher : Tore André Nielsen
Funding sources: CRSNG/Conseil de recherches en sciences naturelles et génie du Canada (CRSNG)
Grant programs: PVXXXXXX-(OIR) Outils et d'instruments de recherche (OIR) -1 -(de 7 001 $ à 150 000 $)

Outreach

Publications and presentations

Publications

Book Chapters In Press:

1.         Carr M & Nielsen T. (2021) Nightmares and nightmare function. In: Kryger M, Roth N, & Dement WC. (Eds.) Principles and practice of sleep medicine, 7th Edition. Philadelphia: W.B. Saunders Co. In press.

2.         Nielsen T & Lara-Carrasco J. (2021) Pregnancy and post-partum dreams. In: Kryger M, Roth N, & Dement WC (Eds.) Principles and practice of sleep medicine, 7th Edition. Philadelphia: W.B. Saunders Co. In press.

Book Chapters:

1.         Nielsen T. (2018) Microdream neurophenomenology: A paradigm for dream neuroscience. In: Fox K., Christoff K. (Eds), The Oxford handbook of spontaneous thought: Mind-Wandering, Creativity, and Dreaming, Oxford University Press.

2.         Montplaisir J, Zadra A, Nielsen T, Petit D. (2017) Parasomnias. In: Chokroverty S. (Ed.), Sleep Disorders Medicine: Basic Science, Technical Considerations, and Clinical Aspects (4 ed.), Springer.

3.         Nielsen T & Carr M. (2017) Nightmares and nightmare function. In: Kryger M, Roth N, & Dement WC. (Eds.) Principles and practice of sleep medicine, 6th Edition. Philadelphia: W.B. Saunders Co.

Papers Published:

Marquis LP, Julien S-H, Daneault V, Blanchette-Carrière C, Paquette T, Carr M, Soucy JP, Montplaisir J, Nielsen T. Local neuronal synchronization in frequent nightmare recallers and healthy controls: A resting-state functional magnetic resonance imaging study. Frontiers in Neuroscience – Sleep and Circadian Rhythms. 2021

Picard-Deland C, Pastor M, Solomonova E, Paquette T, Nielsen T. Flying dreams stimulated by an immersive virtual reality task. Consciousness & Cognition: Special issue on Dream-Engineering. 2020; 83:102958. doi: 10.1016/j.concog.2020.102958.

Blanchette-Carrière C, Julien S-H, Picard-Deland C, Bouchard M, Carrier J, Paquette T, Nielsen T. Attempted induction of signaled lucid dreaming by transcranial alternating current stimulation. Consciousness & Cognition: Special issue on Dream-Engineering. 2020; 83:102957. doi: 10.1016/j.concog.2020.102957.

Solomonova E, Dubé S, Blanchette-Carrière C, Sandra DA, Samson-Richer A, Carr M, Paquette T, Nielsen T. Different patterns of sleep-dependent procedural memory consolidation in Vipassana meditation practitioners and non-meditating controls. Frontiers in Psychology, section Cognitive Science. 2020; 10:3014. https://doi.org/10.3389/fpsyg.2019.03014

Christensen JAE, Aubin S, Nielsen T, Ptito M, Kupers R, Jennum P. Rapid eye movements are reduced in blind individuals. J Sleep Res. 2019 Apr 26:e12866. doi: 10.1111/jsr.12866

Gieselmann A, Ait Aoudia M, Carr M, Germain A, Gorzka R, Holzinger B, Kleim B, Krakow B, Kunze AE, Lancee J, Nadorff MR, Nielsen T, Riemann D, Sandahl H, Schlarb AA, Schmid C, Schredl M, Spoormaker VI, Steil R, van Schagen AM, Wittmann L, Zschoche M, Pietrowsky R. Aetiology and treatment of nightmare disorder: State of the art and future perspectives. J Sleep Res. 2019 Aug;28(4):e12820. doi: 10.1111/jsr.12820.

Nielsen T, Carr M, Picard-Deland C, Marquis L-P, Saint-Onge K, Blanchette-Carrière C, Paquette T. (2019) Early childhood adversity associations with nightmare severity and sleep spindles. Sleep Medicine. 56:57-65. https://doi.org/10.1016/j.sleep.2019.03.004

Marquis LP, Julien SH, Baril AA, Blanchette-Carrière C, Paquette T, Carr M, Soucy JP, Montplaisir J, Nielsen T. (2019) Nightmare Severity Is Inversely Related to Frontal Brain Activity During Waking State Picture Viewing. J Clin Sleep Med, 15(2):253-264. doi: 10.5664/jcsm.7628.

Picard-Deland C, Carr M, Paquette T, Nielsen T. (2018). Sleep spindles are altered in early- but not late onset nightmare recallers. Sleep Medicine, 52:34-42. https://doi.org/10.1016/j.sleep.2018.07.015

Picard-Deland C, Carr M, Paquette T, Saint-Onge K, Nielsen T. (2018) Sleep spindle and psychopathology characteristics of frequent nightmare recallers. Sleep Medicine. 50:113-131. doi: 10.1016/j.sleep.2017.10.003.

Solomonova E, Dubé S, Samson-Richer A, Blanchette-Carrière C, Paquette T, & Nielsen T. (2018) Dream content and procedural learning in Vipassana meditators and controls. Dreaming, 28(2), 99-121. http://dx.doi.org/10.1037/drm0000081.

Aubin S, Christensen JAE, Jennum P, Nielsen T, Kupers R, Ptito M. (2018) Preserved sleep microstructure in blind individuals. Sleep Medicine, 42:21-30. doi: 10.1016/j.sleep.2017.11.1135.

Carr M, Nielsen T. (2017) A novel differential susceptibility framework for the study of nightmares: Evidence for trait sensory processing sensitivity. Clinical Psychology Review, 8:86-96. doi: 10.1016/j.cpr.2017.10.002.

Carr M, Saint-Onge K, Blanchette-Carrière C, Paquette T, Nielsen T. (2017) Elevated perseveration errors on a verbal fluency task in frequent nightmare recallers: A replication. Journal of Sleep Research, 27(3):e12644. doi: 10.1111/jsr.12644.

Marquis LP, Paquette T, Blanchette-Carrière C, Dumel G, Nielsen T. (2017) REM sleep theta changes in frequent nightmare recallers. Sleep. 40(9):zsx110. DOI: 10.1093/sleep/zsx110.

Aubin S, Jennum P, Nielsen T, Kupers R, Ptito M. (2017) Sleep structure in blindness is influenced by circadian desynchrony. Journal of Sleep Research. DOI: 10.1111/jsr.12548.

Nielsen T. (2017) The stress acceleration hypothesis of nightmares. Frontiers in Neurology. 8:201. DOI: 10.3389/fneur.2017.00201

Nielsen T. (2017) When was your earliest dream? Association of very early dream recall with frequent current nightmares supports a stress-acceleration explanation of nightmares. Dreaming. 27(2):122-136. DOI: http://dx.doi.org/10.1037/drm0000051

Nielsen T. (2017) Microdream neurophenomenology. Neuroscience of Consciousness. 3(1):nix001. DOI: https://doi.org/10.1093/nc/nix001

Solomonova E, Stenstrom P, Schon E, Duquette A, Dubé S, O'Reilly C, Nielsen T. (2017) Sleep-dependent consolidation of face recognition and its relationship to REM sleep duration, REM density and Stage 2 sleep spindles. Journal of Sleep Research. doi: 10.1111/jsr.12520.

O'Reilly C, Warby SC, Nielsen T. (2017) Editorial: Sleep Spindles: Breaking the Methodological Wall. Frontiers in Human Neuroscience. 10:672. doi: 10.3389/fnhum.2016.00672.

Christensen, JAE, Aubin S, Nielsen T, Ptito M, Kupers R, Jennum P. (2017). Nocturnal eye movements in congenital and late-onset blindness. Sleep Medicine, 40, e149. http://dx.doi.org/10.1016/j.sleep.2017.11.435

NielsenT, Carr M, Blanchette-Carrière C, Marquis LP, Dumel G, Solomonova E, Julien SH, Picard-Deland C, Paquette T. (2016). NREM sleep spindles are associated with dream recall. Sleep Spindles and Cortical Up States, 1(1), pp.27-41. doi: 10.1556/2053.1.2016.003

Windt JM, Nielsen T, Thompson E. (2016) Does consciousness disappear in dreamless sleep? Trends in Cognitive Sciences, 2016 Dec: 20(12)871-882. doi:10.1016/j.tics.2016.09.006.

Carr M, Blanchette-Carrière C, Solomonova E, Paquette T, & Nielsen T. (2016). Intensified daydreams and nap dreams in frequent nightmare sufferers. Dreaming, 26(2): 119-131.

Carr M, Blanchette-Carrière C, Marquis LP, Tieng Ting C, Nielsen T. (2015) Nightmare sufferers show atypical emotional semantic associations and prolonged REM sleep-dependent emotional priming. Sleep Medicine. 20:80-87.

Godin I, Montplaisir J & Nielsen T. (2015) Dreaming and nightmares in REM sleep behavior disorder.  Dreaming. 25:257-273.

O’Reilly C, Godin I, Montplaisir J, Nielsen T. (2015) REM sleep behaviour disorder is associated with lower fast and higher slow sleep spindle densities. Journal of Sleep Research. 24:593-601. http://dx.doi.org/10.1111/jsr.12309. Epub 2015 Jun 4.

Carr M & Nielsen T. (2015) Daydreams and nap dreams: content comparisons. Consciousness and Cognition. 36:196-205. http://www.sciencedirect.com/science/article/pii/S105381001500149X

Dumel G, Carr M, Marquis LP, Blanchette-Carrière C, Paquette T & Nielsen T. (2015) Infrequent dream recall is associated with low performance but high overnight improvement on the Mirror-Tracing Task. Journal of Sleep Research. 24:372-382. (http://onlinelibrary.wiley.com/doi/10.1111/jsr.12286/full)

Nielsen T, O'Reilly C, Carr M, Dumel G, Godin I, Solomonova E, Lara-Carrasco J, Blanchette-Carrière C & Paquette T. (2015) Overnight improvements in two REM sleep-sensitive tasks are associated with both REM and NREM sleep changes, sleep spindle features, and awakenings for dream recall. Neurobiology of Learning and Memory: Special Issue on REM sleep and memory. 122: 88-97. http://www.sciencedirect.com/science/article/pii/S1074742714001695

O’Reilly C, Nielsen T. (2015) Automatic sleep spindle detection: benchmarking with fine temporal resolution using open science tools. Frontiers in Human Neurosciences. 9:353. http://journal.frontiersin.org/Article/10.3389/fnhum.2015.00353/abstract

Solomonova E, Stenstrom P, Paquette T & Nielsen T. (2015) Different temporal patterns of memory incorporations into dreams for laboratory and virtual reality experiences: relation to dreamed locus of control. International Journal of Dream Research. 8:10-26. http://dx.doi.org/10.11588/ijodr.2015.1.16611

Carr M & Nielsen T. Morning REM sleep naps facilitate broad access to emotional semantic networks. (2015) Sleep. 38:433-443. http://dx.doi.org/10.5665/sleep.4504

Nielsen T & Powell RA. (2015) Dreams of the rarebit fiend: Food and diet as instigators of bizarre and disturbing dreams. Frontiers in Psychology – Consciousness Research. 6:47. http://journal.frontiersin.org/Article/10.3389/fpsyg.2015.00047/abstract

Disciplines

  • Psychology
  • Psychiatry
  • Neurosciences

Areas of expertise

  • Sleep and Sleep Disorders
  • Sleep, Arousal and Chronobiological Modulation
  • Learning and Memory (Neurosciences, Mental Health and Addiction)
  • Learning and Memory (Psychology - Biological Aspects)
  • Mental Representation
  • Cognition
  • Memory
  • Anxiety
  • Chronobiology
  • Consciousness, Subjectivity and Personal Identity
  • Imagery (Characterization Tools)
  • Imagery (Language and Cognitive Processes)
  • Somatosensory System
  • Biomedical Technologies
  • Motivations and Emotions
  • Virtual Reality
  • Sensation and Perception
  • Somatization and Functional Somatic Syndromes
  • Stress
  • Trauma / Injuries