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Expectancy SIGNED

Unveiling expectancy neuronal coding in the cerebral cortex induced by naturalistic tactile stimuli

Total Cost €


EC-Contrib. €






 Expectancy project word cloud

Explore the words cloud of the Expectancy project. It provides you a very rough idea of what is the project "Expectancy" about.

depending    array    coupled    neural    underlying    cortex    local    tactile    independent    modeling    sophisticated    whisker    shaped    generating    vibrissal    oscillators    electrophysiology    animals    sensitive    organism    patterned    context    neuronal    vibrissae    first    precisely    sensory    prepares    introducing    varying    si    awake    repetitive    deflection    expectancies    specialized    function    window    sequences    generate    contains    judgment    react    input    lightly    time    innovation    24    prospective    hypothesize    expectancy    extracellular    vivo    stage    somatosensory    forced    stimuli    statistics    gain    intracellular    mechanisms    coding    rat    signals    record    tool    stimulation    natural    techniques    un    clarify    encoded    inputs    patterns    recordings    shows    objects    anesthetized    nervous    primary    principles    contacts    timed    preparedness    matrix    predictable    dynamical    presentations    preparation    extremely    preadapted    vibrissa    combine    nonlinear    elucidate   

Project "Expectancy" data sheet

The following table provides information about the project.


Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country France [FR]
 Project website
 Total cost 173˙076 €
 EC max contribution 173˙076 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2015
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-03-01   to  2019-02-28


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Expectancy is a major function of the nervous system that prepares the organism to react in a meaningful way to sensory stimulation. Depending on local statistics of patterned sensory stimuli, the nervous system shows preparedness for expected inputs. This allows to respond or not in a short time window by taking into account recent presentations of a similar sensory context. In order to gain insight into the underlying neural coding, I propose to use the vibrissal system of the rat applying controlled sensory inputs. The vibrissal system contains an array of specialized vibrissae as the input stage of an extremely sensitive tactile system. Significant innovation will be the use of a stimulation matrix allowing independent deflection of 24 vibrissae. This novel tool will help to generate short-term expectancies by introducing complex and precisely timed specific sensory inputs. I propose to combine in vivo intracellular and multi-unit extracellular recordings in the primary somatosensory cortex (SI) with multi-whisker stimulation. I hypothesize that neural information coding is shaped by the statistics of the time-varying vibrissa contacts. The ability to generate expectancy signals will be compared for repetitive contacts as with natural objects and un-natural sequences to which the system is not preadapted. In addition to the common lightly anesthetized rat preparation, I propose to develop a novel design to record from awake animals. Furthermore, I will assess expectancy using dynamical systems techniques by modeling this process as forced coupled nonlinear oscillators. The proposed project will elucidate how natural tactile patterns are encoded in SI through a comprehensive approach including electrophysiology, sophisticated tactile stimulation and dynamical modeling. It will be the first to clarify the coding principles of predictable sensory inputs generating neuronal expectancies and can provide insight into the general mechanisms of prospective judgment.


year authors and title journal last update
List of publications.
2018 Matías A. Goldin, Evan R. Harrell, Luc Estebanez, Daniel E. Shulz
Rich spatio-temporal stimulus dynamics unveil sensory specialization in cortical area S2
published pages: 1-11, ISSN: 2041-1723, DOI: 10.1038/s41467-018-06585-4
Nature Communications 9/1 2019-04-16

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The information about "EXPECTANCY" are provided by the European Opendata Portal: CORDIS opendata.

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