The programme aims to support innovative, interdisciplinary research that places natural daylight at the centre of the research question and research plan.
\r\nThe ambition is to:\r\n
The ATC (Assistive Technology Challenge : EPFL Assistive Techn... - Project - MAKE) welcomes you to discover this year's six prototypes designed by the students' teams ! Join us for this unique occasion to exchange with them about their work, meet challengers, and get a glimps at how they overcame the challenges !
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\r\n14h00-15h00: Flash talks – Eleven 5-minute talks will be given by a range of different QSE Center stakeholders including students, researchers, and internal and external collaborators.\r\n
Abstract:
\r\nOlfactory navigation emerges from dynamic interactions among sensory input, brain activity, and the animal’s own movements. In C. elegans, a compact nervous system enables brain-wide imaging in behaving animals exposed to controlled olfactory environments, and undulatory locomotion reduces navigation to transitions among forward runs, reversals, and turns. Here, we used brain-wide tracking microscopy to record neural activity in freely crawling worms navigating spatial odor gradients or isotropic environments, and in immobilized worms responding to temporal odor pulses. Across conditions, we identified strongly correlated brain-wide activity patterns spanning olfactory sensory neurons, interneurons, and premotor neurons. Motor-state transitions and brain-wide correlation structure differed between freely moving and immobilized animals, demonstrating that olfactory sensory representations depend jointly on sensory input, motor activity, and behavioral context. Together, these findings show that brain-wide representations of olfactory behavior are extensively reconfigured by sensory input, self-motion, and behavioral context.
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