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  1.  7
    Covert Rem sleep effects on Rem mentation: Further methodological considerations and supporting evidence.Tore A. Nielsen - 2000 - Behavioral and Brain Sciences 23 (6):1040-1057.
    Whereas many researchers see a heuristic potential in the covert REM sleep model for explaining NREM sleep mentation and associated phenomena, many others are unconvinced of its value. At present, there is much circumstantial support for the model, but validation is lacking on many points. Supportive findings from several additional studies are summarized with results from two new studies showing (1) NREM mentation is correlated with duration of prior REM sleep, and (2) REM sleep signs (eye movements, phasic EMG) occur (...)
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  2.  19
    Post-traumatic nightmares as a dysfunctional state.Tore A. Nielsen & Anne Germain - 2000 - Behavioral and Brain Sciences 23 (6):978-979.
    That PTSD nightmares are highly realistic threat simulations triggered by trauma is difficult to reconcile with the disturbed, sometimes debilitating sleep and waking functioning of PTSD sufferers. A theory that accounts for fundamental forms of imagery other than threat scenarios could explain the selection of many more adaptive human functions – some still pertinent to survival today. For example, interactive characters, a virtually ubiquitous form of dream imagery, could be simulations of attachment relationships that aid species survival in many different (...)
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  3.  12
    A review of mentation in Rem and NRem sleep: “Covert” Rem sleep as a possible reconciliation of two opposing models. [REVIEW]Tore A. Nielsen - 2000 - Behavioral and Brain Sciences 23 (6):851-866.
    Numerous studies have replicated the finding of mentation in both rapid eye movement (REM) and nonrapid eye movement (NREM) sleep. However, two different theoretical models have been proposed to account for this finding: (1) a one-generator model, in which mentation is generated by a single set of processes regardless of physiological differences between REM and NREM sleep; and (2) a two-generator model, in which qualitatively different generators produce cognitive activity in the two states. First, research is reviewed demonstrating conclusively that (...)
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  4.  25
    The prevalence of typical dream themes challenges the specificity of the threat simulation theory.Anne Germain, Tore A. Nielsen, Antonio Zadra & Jacques Montplaisir - 2000 - Behavioral and Brain Sciences 23 (6):940-941.
    The evolutionary theory of threat simulation during dreaming indicates that themes appropriate to ancestral survival concerns (threats) should be disproportionately represented in dreams. Our studies of typical dream themes in students and sleep-disordered patients indicate that threatening dreams involving chase and pursuit are indeed among the three most prevalent themes, thus supporting Revonsuo's theory. However, many of the most prevalent themes are of positive, not negative, events (e.g., sex, flying) and of current, not ancestral, threat scenarios (e.g., schoolwork). Moreover, many (...)
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    Response/Nielsen: REM and NREM mentation I would like to thank my colleagues most sincerely for the careful attention they have given to evaluating my findings and hypotheses concerning the neuropsychology of dream-ing. It appears that we truly are in the midst of a paradigm.Tore A. Nielsen - 2003 - In Edward F. Pace-Schott, Mark Solms, Mark Blagrove & Stevan Harnad (eds.), Sleep and Dreaming: Scientific Advances and Reconsiderations. Cambridge University Press. pp. 252.