Dream Recall Frequencies and Dream Content in Wilson’s Disease with and without REM Sleep Behaviour Disorder: A Neurooneirologic Study

Objective. Violent dream content and its acting out during rapid eye movement sleep are considered distinctive for rapid eye movement sleep behaviour disorder (RBD). This study reports first quantitative data on dreaming in a cohort of patients with treated Wilson’s disease (WD) and in patients with...

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Published in:Behavioural neurology 2016-01, Vol.2016 (2016), p.1-11
Main Authors: Ciampi de Andrade, Daniel, Bor-Seng-Shu, Edson, Machado, Alexandre A., Teixeira, Manoel Jacobsen, Barbosa, Egberto R., Alves, Rosana Cardoso, Lorenzi-Filho, Geraldo, Bittencourt, Thais, Reinhard, Iris, Pires, Joana, Schredl, Michael, Trindade, Mateus C., Tribl, Gotthard G., Fonoff, Erich Talamoni
Format: Article
Language:English
Subjects:
Adult
Brazil
Care and treatment
Case-Control Studies
Cognition Disorders
Dreams - physiology
Dreams - psychology
Emotions
Female
Hepatolenticular Degeneration - physiopathology
Humans
Male
Medical research
Medicine, Experimental
Mental illness
Middle Aged
Parkinson Disease - psychology
Polysomnography
Prospective Studies
REM Sleep Behavior Disorder
Retrospective Studies
Self Report
Sleep
Sleep, REM - physiology
Surveys and Questionnaires
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Summary:Objective. Violent dream content and its acting out during rapid eye movement sleep are considered distinctive for rapid eye movement sleep behaviour disorder (RBD). This study reports first quantitative data on dreaming in a cohort of patients with treated Wilson’s disease (WD) and in patients with WD with RBD. Methods. Retrospective questionnaires on different dimensions of dreaming and a prospective two-week home dream diary with self-rating of emotions and blinded, categorical rating of content by an external judge. Results. WD patients showed a significantly lower dream word count and very few other differences in dream characteristics compared to age- and sex-matched healthy controls. Compared to WD patients without RBD, patients with WD and RBD reported significantly higher nightmare frequencies and more dreams with violent or aggressive content retrospectively; their prospectively collected dream reports contained significantly more negative emotions and aggression. Conclusions. The reduction in dream length might reflect specific cognitive deficits in WD. The lack of differences regarding dream content might be explained by the established successful WD treatment. RBD in WD had a strong impact on dreaming. In accordance with the current definition of RBD, violent, aggressive dream content seems to be a characteristic of RBD also in WD.
ISSN:0953-4180
1875-8584
DOI:10.1155/2016/2983205