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Université de Fribourg

No effect of vocabulary reactivation in older adults

Cordi, Maren Jasmin ; Schreiner, Thomas ; Rasch, Björn

In: Neuropsychologia, 2018, vol. 119, p. 261

Quality of memory and sleep declines with age. However, the mechanistic interactions underlying the memory function of sleep in older adults are still unknown. It is widely assumed that the beneficial effect of sleep on memory relies on reactivation during Non-rapid eye movement (NREM) sleep. Targeting these reactivations by cue re-exposure reliably improves memory in younger participants. Here...

Université de Fribourg

Modulating influences of memory strength and sensitivity of the retrieval test on the detectability of the sleep consolidation effect

Schoch, Sarah F. ; Cordi, Maren J. ; Rasch, Björn

In: Neurobiology of Learning and Memory, 2017, vol. 145, p. 181-189

Emotionality can increase recall probability of memories as emotional information is highly relevant for future adaptive behavior. It has been proposed that memory processes acting during sleep selectively promote the consolidation of emotional memories, so that neutral memories no longer profit from sleep consolidation after learning. This appears as a selective effect of sleep for emotional...

Université de Fribourg

Sleep and language learning

Rasch, Björn

In: Brain and Language, 2017, vol. 167, p. 1-2

Université de Fribourg

The beneficial role of memory reactivation for language learning during sleep : a review

Schreiner, Thomas ; Rasch, Björn

In: Brain and Language, 2017, vol. 167, p. 94-105

Sleep is essential for diverse aspects of language learning. According to a prominent concept these beneficial effects of sleep rely on spontaneous reactivation processes. A series of recent studies demonstrated that inducing such reactivation processes by re-exposure to memory cues during sleep enhances foreign vocabulary learning. Building upon these findings, the present article reviews recent...

Université de Fribourg

Sleep benefits emotional and neutral associative memories equally

Lehmann, Mick ; Seifritz, Erich ; Rasch, Björn

In: Somnologie, 2016, vol. 20, no. 1, p. 47-53

Background: Emotions modulate memory. It has been suggested that sleep contributes to improved memory of emotional events by preferentially consolidating emotional memories, presumably because of a selective off-line reactivation of information relevant to future behavior. Objectives: We aimed to validate sleep-dependent memory consolidation in a new associative emotional memory paradigm suitable...

Université de Fribourg

Neural correlates of experimental trauma memory retrieval

Gvozdanovic, Geraldine A. ; Stämpfli, Philipp ; Seifritz, Erich ; Rasch, Björn

In: Human Brain Mapping, 2017, vol. 38, p. 3592-3602

Traumatic memories such as intrusions and flashbacks play a major role in the development and maintenance of post‐traumatic stress disorder (PTSD). A thorough understanding of the neural mechanisms underlying traumatic memories is indispensable for precise diagnosis, for personalized treatment and prevention. In particular, the identification of early neural predictor variables for intrusion...

Université de Fribourg

Constantine VII Porphyrogenitus

Studer-Karlen, Manuela

In: The Encyclopedia of Ancient History, 2012, p. 1-2

Université de Fribourg

The depiction of the dead person in early Christian art (3rd to 6th century)

Studer-Karlen, Manuela

In: The face of the dead and the early Christian world, 2013, p. 149-160