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Université de Fribourg

Dissociable components of spatial neglect associated with frontal and parietal lesions

Saj, Arnaud ; Verdon, Vincent ; Hauert, Claude-Alain ; Vuilleumier, Patrik

In: Neuropsychologia, 2018, vol. 115, p. 60–69

Spatial neglect is a complex neuropsychological disorder, in which patients fail to detect and respond to contralesional stimuli. Recent studies suggest that these symptoms may reflect a combination of different component deficits, associated with different lesion substrates. Thus, damage to right lateral prefrontal and inferior parietal regions produce different degrees of left neglect on...

Université de Fribourg

Divergent solutions to visual problem solving across mammalian species

Mustafar, Faiz ; Harvey, Michael A. ; Khani, Abbas ; Arató, József ; Rainer, Gregor

In: eNeuro, 2018, vol. 5, no. 4, p. -

Our understanding of the neurobiological underpinnings of learning and behavior relies on the use of invasive techniques, which necessitate the use of animal models. However, when different species learn the same task, to what degree are they actually producing the same behavior and engaging homologous neural circuitry? This question has received virtually no recent attention, even as the...

Université de Fribourg

Little ice age glacier history of the central and western alps from pictorial documents

Zumbühl, Heinz J. ; Nussbaumer, Samuel U.

In: Cuadernos de Investigación Geográfica, 2018, vol. 44, no. 1, p. 115–136

The Lower Grindelwald Glacier (Bernese Oberland, Switzerland) consists of two parts, the Ischmeer in the east (disconnected) and the Bernese Fiescher Glacier in the west. During the Little Ice Age (LIA), the glacier terminated either in the area of the “Schopffelsen” (landmark rock terraces) or advanced at least six times (ten times if we include early findings) even further down into the...

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

Distinct frequency specialization for detecting dark transients in humans and tree shrews

Khani, Abbas ; Mustafar, Faiz ; Rainer, Gregor

In: Cell Reports, 2018, vol. 23, no. 8, p. 2405–2415

Despite well-known privileged perception of dark over light stimuli, it is unknown to what extent this dark dominance is maintained when visual transients occur in rapid succession, for example, during perception of moving stimuli. Here, we address this question using dark and light transients presented at different flicker frequencies. Although both human participants and tree shrews...

Université de Neuchâtel

Sharing perception when using hands-on exhibits in science centres: the case of vocal depiction

Brandenberger, Christina ; Hottiger, Christoph

In: Revue Tranel, 2018, vol. 68, p. 59-68

There are various situations in our daily lives in which we share sensory perceptions in interaction, but research on how exactly we do this is relatively scarce and has often focused primarily on the visual and auditory channels. In this paper, we suggest an approach based on the methods of multimodal conversation analysis which also considers other perceptual fields, especially touch. By means...

Consortium of Swiss Academic Libraries

Current status of anti-vascular endothelial growth factor therapy in Europe

Wolf, Sebastian

In: Japanese Journal of Ophthalmology, 2008, vol. 52, no. 6, p. 433-439