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Université de Fribourg

Investigating post-stroke fatigue: An individual participant data meta-analysis

B.Cumming, Toby ; Yeo, Ai Beng ; Marquez, Jodie ; Churilov, Leonid ; Annoni, Jean-Marie ; Badaru, Umaru ; Ghotbi, Nastaran ; Harbison, Joe ; Kwakkel, Gert ; Lerdal, Anners ; Mills, Roger ; Naess, Halvor ; Nyland, Harald ; Schmid, Arlene ; Tang, Wai Kwong ; Tseng, Benjamin ; Port, Ingridvan de ; Mead, Gillian ; English, Coralie

In: Journal of Psychosomatic Research, 2018, vol. 113, p. 107–112

The prevalence of post-stroke fatigue differs widely across studies, and reasons for such divergence are unclear. We aimed to collate individual data on post-stroke fatigue from multiple studies to facilitate high-powered meta-analysis, thus increasing our understanding of this complex phenomenon.Methods: We conducted an Individual Participant Data (IPD) meta-analysis on post-stroke fatigue...

Université de Fribourg

Multimodal communication in aphasia: perception and production of co-speech gestures during face-to-face conversation

Preisig, Basil C. ; Eggenberger, Noëmi ; Cazzoli, Dario ; Nyffeler, Thomas ; Gutbrod, Klemens ; Annoni, Jean-Marie ; Meichtry, Jurka R. ; Nef, Tobias ; Müri, René M.

In: Frontiers in Human Neuroscience, 2018, vol. 12, p. -

The role of nonverbal communication in patients with post-stroke language impairment (aphasia) is not yet fully understood. This study investigated how aphasic patients perceive and produce co-speech gestures during face-to-face interaction, and whether distinct brain lesions would predict the frequency of spontaneous co-speech gesturing. For this purpose, we recorded samples of conversations...

Université de Fribourg

Dorsolateral prefrontal transcranial direct current stimulation modulates language processing but does not facilitate overt second language word production

Radman, Narges ; Britz, Juliane ; Buetler, Karin ; Weekes, Brendan S. ; Spierer, Lucas ; Annoni, Jean-Marie

In: Frontiers in Neuroscience, 2018, vol. 12, p. -

Word retrieval in bilingual speakers partly depends on executive-control systems in the left prefrontal cortex - including dorsolateral prefrontal cortex (DLPFC). We tested the hypothesis that DLPFC modulates word production of words specifically in a second language (L2) by measuring the effects of anodal transcranial direct current stimulation (anodal-tDCS) over the DLPFC on picture naming...

Université de Fribourg

Characterization of social cognition impairment in multiple sclerosis

Neuhaus, Matthias ; Bagutti, S. ; Yaldizli, O. ; Zwahlen, D. ; Schaub, S. ; Frey, B. ; Fischer-Barnicol, B. ; Martory, J.-M. Burgunderd , M.-D. ; Pöttgen, J. ; Annoni, Jean-Marie ; Penner, I.-K.

In: European Journal of Neurology, 2017, p. -

Multiple sclerosis (MS) has been associated with deficits in social cognition. However, little is known about which domains of social cognition are predominantly affected and what other factors are associated with it. The aim was (i) to characterize social cognition deficit in a group of MS outpatients and (ii) to relate impairment in social cognition to overall cognitive status, depression...

Université de Fribourg

Screening for language disorders in stroke: german validation of the language screening test (last)

Koenig-Bruhin, M. ; Vanbellingen, Tim ; Schumacher, Rahel ; Pflugshaupt, T. ; Annoni, Jean-Marie ; Müri, René M. ; Bohlhalter, Stephan ; Nyffeler, Thomas

In: Cerebrovascular Diseases Extra, 2016, vol. 6, no. 1, p. 27–31

Background: Screening of aphasia in acute stroke is crucial for directing patients to early language therapy. The Language Screening Test (LAST), originally developed in French, is a validated language screening test that allows detection of a language deficit within a few minutes. The aim of the present study was to develop and validate two parallel German versions of the LAST. Methods: The...

Université de Fribourg

The modulation of reading strategies by language opacity in early bilinguals: an eye movement study

De León Rodríguez, Diego ; Buetler, C,, Karin A. ; Eggenberger, Noëmi ; Preisig, Basil C. ; Schumacher, Rahel ; Laganaro, Marina ; Nyffeler, Thomas ; Annoni, Jean-Marie ; Müri, René M.

In: Bilingualism: Language and Cognition, 2016, vol. 19, no. 3, p. 567–577

Converging evidences from eye movement experiments indicate that linguistic contexts influence reading strategies. However, the question of whether different linguistic contexts modulate eye movements during reading in the same bilingual individuals remains unresolved. We examined reading strategies in a transparent (German) and an opaque (French) language of early, highly proficient...

Université de Fribourg

Comprehension of co-speech gestures in aphasic patients: an eye movement study

Eggenberger, Noëmi ; Preisig, Basil C. ; Schumacher, Rahel ; Hopfner, Simone ; Vanbellingen, Tim ; Nyffeler, Thomas ; Gutbrod, Klemens ; Annoni, Jean-Marie ; Bohlhalter, Stephan ; Cazzoli, Dario ; Müri, René M.

In: PLOS ONE, 2016, vol. 11, no. 1, p. e0146583

Co-speech gestures are omnipresent and a crucial element of human interaction by facilitating language comprehension. However, it is unclear whether gestures also support language comprehension in aphasic patients. Using visual exploration behavior analysis, the present study aimed to investigate the influence of congruence between speech and co-speech gestures on comprehension in terms of...

Université de Fribourg

Balanced bilinguals favor lexical processing in their opaque language and conversion system in their shallow language

Buetler, Karin A. ; Rodríguez, Diego de León ; Laganaro, Marina ; Müri, René ; Nyffeler, Thomas ; Spierer, Lucas ; Annoni, Jean-Marie

In: Brain and Language, 2015, vol. 150, p. 166–176

Referred to as orthographic depth, the degree of consistency of grapheme/phoneme correspondences varies across languages from high in shallow orthographies to low in deep orthographies. The present study investigates the impact of orthographic depth on reading route by analyzing evoked potentials to words in a deep (French) and shallow (German) language presented to highly proficient bilinguals....

Université de Fribourg

Cue recognition and integration – eye tracking evidence of processing differences in sentence comprehension in aphasia

Schumacher, Rahel ; Cazzoli, Dario ; Eggenberger, Noëmi ; Preisig, Basil ; Nef, Tobias ; Nyffeler, Thomas ; Gutbrod, Klemens ; Annoni, Jean-Marie ; Müri, René M.

In: PLoS ONE, 2015, vol. 10, no. 11, p. e0142853

We aimed at further elucidating whether aphasic patients’ difficulties in understanding non-canonical sentence structures, such as Passive or Object-Verb-Subject sentences, can be attributed to impaired morphosyntactic cue recognition, and to problems in integrating competing interpretations.Methods: A sentence-picture matching task with canonical and non-canonical spoken sentences was...