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Behavior-dependent interactions between frontal and somatosensory cortices

Behavior-dependent interactions between frontal and somatosensory cortices

Objective

The mammalian brain integrates behaviorally relevant sensory information by recruiting large parts of the neocortex to enable precise perception, apt decisions and adequate actions. The large-scale interactions and the distinct roles of the various neocortical regions, namely frontal motor-related areas and posterior sensory-related regions, remain poorly understood. Here, we aim to characterize how behavior-related activity in higher-order regions (e.g. frontal area) of the mouse is spatiotemporally organized, and how does it relate to lower-order regions (e.g. somatosensory cortex). Mice will be trained on an S1-dependent texture discrimination task under head-fixed conditions, enabling simultaneous imaging of neuronal populations. First, we will use a novel wide-field preparation to map lower and higher-order functions throughout the cortex. Next, we will zoom-in on specific areas of interest using two-photon microscopy to achieve single cell resolution. Finally, we will use an array of labeling techniques to track behavior-dependent activity of neuronal populations that project to a specific area. A special emphasis will be to identify how the activity in subsets of neurons that project ‘top-down’, from frontal areas to the primary sensory area, relates to different behavioral aspects. We expect that our results will provide fundamental insights into the contribution of frontal cortical regions to perception-related and decision-related activity before sensation (anticipation), during sensation (texture touch) and after sensation (holding in memory and 'licking for reward' action). We believe that this multidisciplinary project in behaving animals is a challenging and promising approach bound to generate novel and exciting results which will be of great interest to the scientific community.
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Coordinator

THE HEBREW UNIVERSITY OF JERUSALEM

Address

Edmond J Safra Campus Givat Ram
91904 Jerusalem

Israel

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 278 674,20

Partners (1)

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UNIVERSITAT ZURICH

Project information

Grant agreement ID: 659719

Status

Ongoing project

  • Start date

    1 August 2016

  • End date

    31 July 2019

Funded under:

H2020-EU.1.3.2.

  • Overall budget:

    € 278 674,20

  • EU contribution

    € 278 674,20

Coordinated by:

THE HEBREW UNIVERSITY OF JERUSALEM

Israel