NEUROSPIN is looking for a post-doctoral researcher to study infants’ and adults’ brain with Optically Pumped Magnetometers

Join the Cognitive Neuro-Imaging Unit (www.unicog.org) at NeuroSpin brain imaging center.

This collaborative project is headed by Ghislaine Dehaene-Lambertz and gathers NeuroSpin and CEA Leti in Grenoble. The primary objective of this project is to determine the advantages of He4 Optically Pumped Magnetometers (OPMs) with respect to SQUID based standard MEG.

Optically pumped magnetometers are ultra-sensitive magnetic field detectors. Contrary to SQUIDs, which have to be cooled down with liquid helium, they can operate at room temperature. As a result, they can be placed at the surface of the scalp on an adaptable cap. CEA LETI has been developing OPMs based on He4 metastable atoms. A prototype of this OPM-based MEG with 5 sensors is currently being tested.

Eligible qualifications for this position include:

  • Ph.D. in Physics, Engineering, Cognitive neuroscience, or related discipline
  • Thorough knowledge of the technical, theoretical and practical principles of M/EEG, and expertise in signal processing.
  • Fluent knowledge in computer programming (languages: Python, Matlab)
  • Knowledge of cognitive neuroscience

Knowledge of the French language is not required, but would be a bonus.

The position is funded for one year and would start around November 1, 2021. The post-doctoral student will work in the laboratory of Prof. Stanislas Dehaene at NeuroSpin, in coordination with the MEG team. The main tasks associated with this job proposal are MEG/MEG-OPM data acquisition and processing with MNE-Python.

To apply, please submit a CV and a cover letter explaining how your previous research experiences are relevant to this project. These documents should be complemented with reference letters and sent to giovanna.santoro@cea.fr with “OPMs at NeuroSpin in the head of the e-mail.

NeuroSpin is France’s most advanced brain-imaging center. The whole building is dedicated to the understanding of the human brain and to the development of brain imaging technologies. Five laboratories currently share their expertise on site and provide a stimulating research environment. NeuroSpin hosts 8 state-of-the-art neuroimaging systems including 3 human MRIs (3T, 7T, and soon a world-record 11.7 Tesla), 3 animal MRIs (7T, 11.7T and 17.T), an MEG system, and a 3-photon imaging system. The MEG machine is a 306-channel system (Neuromag/Elekta) typically paired with EEG (native + EGI) and eye-tracking (Eyelink 1000 SR Research).

Thanks to powerful computational resources, NeuroSpin teams develop advanced post-processing tools for structural image processing (BrainVisa), fMRI data analysis (Nipy, Nilearn), diffusion imaging (Connectomist), and M/EEG analysis (MNE Python).

Al Roumi, F., Marti, S., Wang, L., Amalric, M., and Dehaene, S. (2021). Mental compression of spatial sequences in human working memory using numerical and geometrical primitives. Neuron 109, 2627-2639.e4.

Fourcault, W., Romain, R., Gal, G.L., Bertrand, F., Josselin, V., Prado, M.L., Labyt, E., and Palacios-Laloy, A. (2021). Helium-4 magnetometers for room-temperature biomedical imaging: toward collective operation and photon-noise limited sensitivity. Opt. Express, OE 29, 14467–14475.

Labyt, E., Corsi, M.-C., Fourcault, W., Palacios Laloy, A., Bertrand, F., Lenouvel, F., Cauffet, G., Le Prado, M., Berger, F., and Morales, S. (2019). Magnetoencephalography With Optically Pumped 4He Magnetometers at Ambient Temperature. IEEE Transactions on Medical Imaging 38, 90–98.

Trübutschek, D., Marti, S., Ueberschär, H., and Dehaene, S. (2019). Probing the limits of activity-silent non-conscious working memory. PNAS 116, 14358–14367.

 

 


Postdoctoral Opportunities – EXPERIENCE

CEA NeuroSpin – INSERM Cognitive Neuroimaging Unit

Cognition & Brain Dynamics Lab

Keywords: M/EEG, virtual reality, temporal cognition, multisensory perception, AI, machine learning

 

Applications are invited for a full-time post-doctoral cognitive neuroscientist in the European consortium “Extended-personal reality: augmented recording and transmission of virtual senses through artificial-intelligence” (see abstract p.2). EXPERIENCE involves eight academic and industrial partners with complementary expertise in artificial intelligence, neuroscience, psychiatry, neuroimaging, MEG/EEG/physiological recording techniques, and virtual-reality. The postdoctoral position will be fully dedicated to the Scientific foundation for the Extended-Personal Reality, a work package lead by the CEA (Virginie van Wassenhove) in collaboration with Univ. of Pisa (Gaetano Valenza, Mateo Bianchi), Padova (Claudio Gentilli), Roma Tor Vergata (Nicola Toschi) and others…

The candidates will have significant experience using time-resolved neuroimaging techniques (EEG, MEG), a solid research record in cognitive neurosciences, psychology and/or related fields, and some knowledgeable interest in exploring (spatio)temporal cognition in virtual reality. The selected postdoctoral fellow will be located at Neurospin and work collaboratively with the experts of the consortium. The postdoctoral fellow will be responsible for the development and transfer of knowledge, will contribute to the validation of novel experimental protocols, their implementation with combined virtual reality and neuroimaging, and state-of-the art analyses approaches. He/she will benefit from the interdisciplinary collaboration, and will be scientifically central to the advancement of the project. He/she will be involved in the organizational and managerial aspects of the project, including the supervision of students, the organization of meetings and project reports.

 

Requirements for the candidates:

–          hold a PhD in cognitive neurosciences, neurosciences, psychology, and/or related fields;

–          solid record of internationally peer-reviewed scientific work;

–          expertise or strong interest in time perception, multisensory perception, temporal and/or spatial cognition;

–          solid understanding of statistics or machine learning skills;

–          prior experience with EEG or MEG methods ;

–          signal processing and programming skills (matlab; python a plus);

–          autonomy and capacity to lead one’s project independently as well as collaborate with others

–          be an overall good lab citizen;

–          fluid mastery of both oral and written English

 

Expected Starting date: late 2021 or 2022]

 

Salary: commensurate with experience; positions will be funded for up to 3 years.

 

Application package

·       CV (incl. a list of publications)

·       A reprint of what you consider to be your best work

·       A letter of intent with a statement of research interests

·       Two letters of recommendation (or contacts from which those could be obtained)

 

Please specify “Experience Project 2” in the email subject line and send your application package to Virginie.van.Wassenhove@gmail.com

European Commission Horizon 2020 – Research and Innovation Framework Programme

 

 

[EXPERIENCE]

Extended-Personal Reality: augmented recording and transmission of virtual senses through artificial-intelligence

 

Social media has transformed the way we communicate through text, images, and videos. Despite recent technological avenues, virtual reality (VR) has not been incorporated in social platforms, hence limiting the comprehensive sharing of an experience. This project makes real the complex interplay between multisensory perception, emotional responses, past experiences, and perspective of the future also by disentangling the mental representation of self in space and time. The new Extended-Personal Reality technological and scientific paradigms will move Europe to the future generation of extended social interactions by allowing the public at large to i) create their own VR environments as they do photos and videos without the need for technical skills, ii) create virtual simulations eliciting unique psychological, cognitive, neurophysiological, and behavioural responses, iii) automatically generate VR environments from neurophysiological data, iv) easily manipulate VR environments to communicate and elicit specific emotions, v) manipulate perceived reality to effectively treat psychiatric disorders. EXPERIENCE embeds advanced artificial intelligence routines merging information from a person’s Extended-Personal Reality to inform manipulation tools including neuromodulation, multisensory biofeedback (audio, video, haptics), and subjective perception of time-space. EXPERIENCE will produce extremely realistic reproductions of the user’s past and may re-administer it by modulating the associated emotional states on demand. Within a large number of research and innovation avenues, EXPERIENCE will prioritise novel diagnosis and treatment of affective disorders commonly associated with altered multisensory perception like depression, anxiety, and eating disorders. A plethora of innovative technological paradigms including gaming, e-learning, and neuroeconomics will be in the commercial exploitations, including the opening of a new market for actually selling EXPERIENCEs.

 

Partners:

– Università di Pisa (UNIPI) (COORDINATOR)

– Centre Suisse d´Electronique et de microtechnique (CSEM)

– Università di Roma “Tor Vergata” (UNITOV)

– Comissariat à l´Energie Atomique et Aux Energies Alternatives (CEA) – France

– University of Padua (UNIPD)

– Karolinkska Institutet (KI)

– Quatechnion (QU)

 

 

Within the EXPERIENCE consortium, the goal of the scientific foundation for extended-personal reality work package is to investigate the functional correlates of known and novel temporal illusions in perception and cognition. The interferences between time and space, both at low-levels (e.g. kappa effect, temporal dilation; Project 1) and higher levels (e.g. mental distances; Project 2) are of particular interest in this project.

Both projects will use human psychophysics, VR, physiological recordings (EKG, GSR) and time-resolved neuroimaging techniques (MEG, EEG). State-of-the-art statistical techniques will be used to assess oscillatory coupling in brain activity as well as decoding and machine learning techniques.

 

•  Post-Doctoral Project  •

Spatiotemporal Interferences in Prospective and Retrospective Experiences of Time

The human spatial navigation system (the so-called ‘GPS’ of the brain) encompasses hippocampal brain structures and provides a flexible internal mapping of a subject’s spatial position with respect to its environmental landmarks. These structures are involved in spatial navigation and episodic memory. However, very little is known regarding how time is perceived during navigation and episodic encoding: are temporal experiences (e.g. order, duration, speed) compressed in memory like any other informational content? Is time lost and reconstructed a posteriori? Does this reconstruction also support our experience of time in real-time? We will bring temporal distortions to VR, explore spatio-temporal interferences and see how they affect mental mapping.

________________

POSTDOC POSITION AT NEUROSPIN ON VISUAL PLASTICITY OF BLIND INDIVIDUALS

We are looking for a motivated post-doctoral candidate to join the Cognitive Neuroimaging unit (UNICOG) at NeuroSpin, Paris-Saclay, France, to study the visual plasticity of blind individuals with multiple advanced visual restoration techniques, including gene therapies and retinal implants.

The successful candidate will closely interact with the patients undergoing visual restoration treatments, design and perform behavioral (psychophysics) experiments to probe the visual percepts of the patients, and will be involved in neuroimaging (fMRI, EEG, MEG) experiments of both the patients and normally sighted participants. In the project, the candidate will also have the opportunity to gain hands-on experience with advanced 7T fMRI techniques.

The project is lead by Minye Zhan, in tight collaboration with Stanislas Dehaene, Ghislaine Dehaene-Lambertz, and other researchers at NeuroSpin, Jose Sahel, Serge Picaud and other scientists at the Vision Institute, and Laurent Cohen at ICM in Paris.

NeuroSpin is France’s advanced brain-imaging center. NeuroSpin hosts 8 state-of-the-art neuroimaging systems including three human MRIs (3T, 7T, and a world-record 11.7 Tesla), three animal MRIs (7T, 11.7T and 17.T), MEG and 3-photon imaging. UNICOG (lead by Prof. Stanislas Dehaene) studies higher-level cognition, and excels in experimental design. The successful candidate will benefit from the rich technological and experimental expertise in NeuroSpin.

Requirements for the candidate

– PhD in cognitive neuroscience, psychology, and related fields.
– Solid expertise in designing and conducting behavioral (psychophysics) experiments, including programming experiments in MATLAB or python.
– Fluent in both French and English.
– Excellent communication skills, ability to probe and deduce subjective percepts of the participants by asking questions.
– Desire to help patients with vision loss.
– Expertise in fMRI, EEG, or MEG would be a plus.
The full-time postdoc position is funded for 3 years, expected to start in early 2022.

How to apply
Please send an email with “IHU-NeuroSpin-Vision” in the header, to giovanna.santoro@cea.fr, while including the following information:
– A CV.
– A short description of your previous research experience relevant to the current project, and your research interests.
– Two letters of recommendation (or contacts from which those could be obtained)
Applications will be considered on a rolling basis, starting immediately.

For informal inquiries, please contact zhanminye@gmail.com .