Dresden 2017 – wissenschaftliches Programm
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BP: Fachverband Biologische Physik
BP 42: Neurosciences
BP 42.5: Vortrag
Mittwoch, 22. März 2017, 16:30–16:45, ZEU 250
The temporal dimension of information coding in the brain, studied via neuroimaging in an insect model. — Marco Paoli1, Angela Albi1, Renzo Antolini1,2, and •Albrecht Haase1,2 — 1Center for Mind/Brain Sciences, University of Trento, Italy — 2Department of Physics, University of Trento, Italy
We apply fast two-photon calcium imaging to study information coding in the brain of honeybees. Recording the responses of the first local neuronal network along the olfactory pathway, the antennal lobe, we investigate whether information about the odour stimulus is encoded in temporal features of the neuronal activation. Besides the spatial distribution of activation, we identified odour-specific oscillatory features modulating the slow activation curves. Furthermore, we found that the activation onset varies for different stimuli and different network nodes. By predicting test odours only from the order of network node activation, we proof that these response latencies form an odour-specific code across individuals.