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Université de Fribourg

Principal components of functional connectivity: a new approach to study dynamic brain connectivity during rest

Leonardi, Nora ; Richiardi, Jonas ; Gschwind, Markus ; Simioni, Samanta ; Annoni, Jean-Marie ; Schluep, Myriam ; Vuilleumier, Patrik ; Ville, Dimitri Van De

In: NeuroImage, 2013, p. -

Functional connectivity (FC) as measured by correlation between fMRI BOLD time courses of distinct brain regions has revealed meaningful organization of spontaneous fluctuations in the resting brain. However, an increasing amount of evidence points to non-stationarity of FC; i.e., FC dynamically changes over time reflecting additional and rich information about brain organization, but...

Université de Fribourg

The right thalamic ventral posterolateral nucleus seems to be determinant for macrosomatognosia: a case report

ElTarhouni, Amir H. ; Beer, Laura ; Mouthon, Michael ; Erni, Britt ; Aellen, Jerome ; Annoni, Jean-Marie ; Accolla, Ettore ; Dieguez, Sebastian ; Chabwine, Joelle N.

In: BMC Neurology, 2020, vol. 20, no. 1, p. 393

Background: Macrosomatognosiais the illusory sensation of a substantially enlarged body part. This disorder of the body schema, also called “Alice in wonderland syndrome” is still poorly understood and requires careful documentation and analysis of cases. The patient presented here is unique owing to his unusual macrosomatognosia phenomenology, but also given the unreported localization...

Université de Fribourg

The role of the cognitive control system in recovery from bilingual aphasia: a multiple single-case fMRI study

Radman, Narges ; Mouthon, Michael ; Pietro, Marie Di ; Gaytanidis, Chrisovalandou ; Leemann, Beatrice ; Abutalebi, Jubin ; Annoni, Jean-Marie

In: Neural Plasticity, 2016, vol. 2016, p. e8797086

Aphasia in bilingual patients is a therapeutic challenge since both languages can be impacted by the same lesion. Language control has been suggested to play an important role in the recovery of first (L1) and second (L2) language in bilingual aphasia following stroke. To test this hypothesis, we collected behavioral measures of language production (general aphasia evaluation and picture...

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

Second language performances in elderly bilinguals and individuals with dementia: The role of L2 immersion

Nanchen, Giliane ; Abutalebi, Jubin ; Assal, Frédéric ; Manchon, Mélanie ; Démonet, Jean-François ; Annoni, Jean-Marie

In: Journal of Neurolinguistics, 2017, vol. 43, p. 49–58

With the population aging and an increase in the number of senior immigrant citizens in modern societies, public health systems will be increasingly burdened with the need to deal with the care and treatment of bi- or multilingual individuals with cognitive decline and dementia. This raises complex questions such as which language is better preserved in these elderly individuals, particularly...

Université de Fribourg

Weed or wheel! FMRI, behavioural, and toxicological investigations of how cannabis smoking affects skills necessary for driving

Battistella, Giovanni ; Fornari, Eleonora ; Thomas, Aurélien ; Mall, Jean-Frédéric ; Chtioui, Haithem ; Appenzeller, Monique ; Annoni, Jean-Marie ; Favrat, Bernard ; Maeder, Philippe ; Giroud, Christian

In: PLoS ONE, 2013, vol. 8, no. 1, p. e52545

Marijuana is the most widely used illicit drug, however its effects on cognitive functions underling safe driving remain mostly unexplored. Our goal was to evaluate the impact of cannabis on the driving ability of occasional smokers, by investigating changes in the brain network involved in a tracking task. The subject characteristics, the percentage of Δ9-Tetrahydrocannabinol in the joint, and...

Université de Fribourg

White matter in aphasia: A historical review of the Dejerines’ studies

Krestel, Heinz ; Annoni, Jean-Marie ; Jagella, Caroline

In: Brain and Language, 2013, vol. 127, no. 3, p. 526–532

The Objective was to describe the contributions of Joseph Jules Dejerine and his wife Augusta Dejerine-Klumpke to our understanding of cerebral association fiber tracts and language processing. The Dejerines (and not Constantin von Monakow) were the first to describe the superior longitudinal fasciculus/arcuate fasciculus (SLF/AF) as an association fiber tract uniting Broca’s area, Wernicke’s...