H2020 ERC - Proof of Concept Grant 2021-2023

INtroDucing axial rEsolution in oPToelectronic implantable devices for tHe brain

Abstract: IN DEPTH aims at developing the first brain implantable device able to gather simultaneously electrophysiology and optical signals with depth resolution and reduced invasiveness. Neuroscientists and neurosurgeons are indeed still limited in accessing and addressing deep brain structures, while the field would instead greatly benefit of low-invasiveness probes monitoring bio-electronic and optical signals with spatial resolution, for both neuroscience and neurosurgery applications. IN DEPTH will answer to the stakeholders needs with a close-to-market fully-integrated device based on minimally invasive tapered optical fibers (TFs) for multipoint light collection and electrophysiology. The system aims at novel applications in both neuroscience research and neurosurgery, with particular reference to cerebral disfunctions including Parkinson’s disease, schizophrenia, or epilepsy, and to fluorescence-guided resection of brain tumors, giving neurosurgeons the possibility to check also the tumor depth and monitor electrical activity during surgery. These aims will be achieved by implementing innovative and high-throughput fabrication process developed for non-planar surfaces, aiming at full compatibility with bench-top equipment for electrophysiology, optophysiology and neurosurgery.

Total budget: 150.000,00€

Total contribution: 150.000,00€

H2020 ERC - Advanced Grant 2016-2022

All-optical brain-to-brain behaviour and information transfer

Abstract: Exchange of information between different brains usually takes place through the interaction between bodies and the external environment. The ultimate goal of this project is to establish a novel paradigm of brain-to-brain communication based on direct full-optical recording and controlled stimulation of neuronal activity in different subjects. To pursue this challenging objective, we propose to develop optical technologies well beyond the state of the art for simultaneous neuronal “reading” and “writing” across large volumes and with high spatial and temporal resolution, targeted to the transfer of advantageous behaviour in physiological and pathological conditions. We will perform whole-brain high-resolution imaging in zebrafish larvae to disentangle the activity patterns related to different tasks. We will then use these patterns as stimulation templates in other larvae to investigate spatio-temporal subject-invariant signatures of specific behavioural states. This ‘pump and probe’ strategy will allow gaining deep insights into the complex relationship between neuronal activity and subject behaviour. To move towards clinics-oriented studies on brain stimulation therapies, we will complement whole-brain experiments in zebrafish with large area functional imaging and optostimulation in mammals. We will investigate all-optical brainto- brain information transfer to boost an advantageous behaviour, i.e. motor recovery, in a mouse model of stroke. Mice showing more effective responses to rehabilitation will provide neuronal activity templates to be elicited in other animals, in order to increase rehabilitation efficiency. We strongly believe that the implementation of new technologies for all-optical transfer of behaviour between different subjects will offer unprecedented views of neuronal activity in healthy and injured brain, paving the way to more effective brain stimulation therapies.

Total budget: 233.000,00€

Total contribution: 233.000,00€