title: Mental rotation: effects of gender, training and sleep consolidation.
abstract: A wide range of experimental studies have provided evidence that a night of sleep contributes to memory consolidation. Mental rotation (MR) skill is characterized by fundamental aspect of both cognitive and motor abilities which can be improved within practice sessions, but little is known about the effect of consolidation after MR practice. In the present study, we investigated the effect of MR training and the following corresponding day- and sleep-related time consolidations in taking into account the well-established gender difference in MR. Forty participants (20 women) practiced a computerized version of the Vandenberg and Kuse MR task. Performance was evaluated before MR training, as well as prior to, and after a night of sleep or a similar daytime interval. Data showed that while men outperformed women during the pre-training test, brief MR practice was sufficient for women to achieve equivalent performance. Only participants subjected to a night of sleep were found to enhance MR performance during the retest, independently of gender. These results provide first evidence that a night of sleep facilitates MR performance compared with spending a similar daytime interval, regardless gender of the participants. Since MR is known to involve motor processes, the present data might contribute to schedule relevant mental practice interventions for fruitful applications in rehabilitation and motor learning processes.
authors.affiliation: Centre de Psychiatrie et Neurosciences (Inserm UMR S894), Université Paris Descartes, Paris, France. Ursula.debarnot@gmail.com
authors.forename: Ursula
authors.initials: U
authors.lastname: Debarnot
authors.forename: Pascale
authors.initials: P
authors.lastname: Piolino
authors.forename: Jean-Claude
authors.initials: JC
authors.lastname: Baron
authors.forename: Aymeric
authors.initials: A
authors.lastname: Guillot
mesh_terms: D000293:Adolescent; D000328:Adult; D001519:Behavior / Q000502:physiology; D005260:Female; D006801:Humans; D008297:Male; D008568:Memory / Q000502:physiology*; D012727:Sex Characteristics; D012890:Sleep / Q000502:physiology*; D011795:Surveys and Questionnaires; D055815:Young Adult
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