DFG project G:(GEPRIS)239648940
Bilateral decision networks for eye and arm movements
| Coordinator | Dr. Igor Kagan |
| Grant period | 2013 - 2017 |
| Funding body | Deutsche Forschungsgemeinschaft |
| | DFG |
| Identifier | G:(GEPRIS)239648940 |
⇧ FOR 1847: Physiologische Grundlagen verteilter Informationsverarbeitung als Grundlage höherer Hirnleistungen nicht humaner Primaten ⇧
Note: Igor Kagan and Melanie Wilke will investigate the role of intra- and inter-hemispheric interactions in the parietal areas LIP and PRR for decision-making related to eye and arm movements. By performing bi-hemispheric simultaneous recordings from these areas, in combination with unilateral reversible inactivation, this group will investigate how this bilateral neuronal network processes visual information to arrive at decisions related to the planning of saccadic eye and arm reaching movements, and how neuronal perturbations in the lesioned hemisphere affect the activity in the intact hemisphere. Spiking and local field potential (LFP) activity from these experiments will then be compared to concurrent primate fMRI experiments that will employ a similar design. These experiments will shed new light on how specific neuronal substrates from both hemispheres compete and collaborate for arriving at decisions for actions, and how the impaired inter-hemispheric balance causes inactivation-induced deficits.
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