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Université de Bordeaux

Scientific events

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Agenda

Kick-off du RRI IMPACT - 4 mai 2022, CGFB

For a review of the IMPACT Kick-off click here.

IMPACT  Thematic conferences

Conference - Up-to-date approaches to analyze and quantify inhomogeneous magnetization transfer (ihMT)

Speaker: Fanny Munsch

Date:  27/04/2023

Venue:  IBIO

 

Synopsis:

Methods for analysis and quantification of ihMT data with a focus on brain studies will be described.

Cette présentation sera présentée au congrès de l'ISMRM (juin 2023) lors de la session Member Initiated Symposium intitulée:"Physical mechanisms, Methods, and Applications of Inhomogeneous Magnetization Transfer (ihMT)".

 

Contacts:

 

 

Conference - Imagerie thermique par IRM : applications en radiologie interventionnelle et perspectives en physiopathologie

Speaker: Valery Ozenne (CRMS, IHU Liryc, Bordeaux)

Date:  29/06/2023

 

Venue:  IBIO

 

Contacts:

 

STS Department Annual Science Days 

3e STS Department Science Day – 24 November 2022, IECB

The STS department's annual scientific day was an opportunity for the IMPACT directors and coordinators to present its research and its future imaging teaching programs. It was also an opportunity to meet the recruited PhD students for IMPACT. 
For a full review of the STS department's day, click HERE!

Conferences organized by program members and linked to IMPACT

Conference - Lesion Network Symptoms Mapping and patient reeducation

Speaker: Aaron Boes, MD, PhD, University of Iowa
Invited by Michel Thiebaut de Schotten
Date: February 6th 2023 / 10:00-11:00
Venue: IBIO, conference room
 
Introduction: 
Dr. Boes is a native Iowan and did his early training at the University of Iowa (B.S. 2003, MD, 2009, PhD 2009). He did residency in pediatrics at UC San Diego and pediatric neurology at Massachusetts General Hospital, Harvard Medical School. He completed a fellowship in neuropsychiatry and noninvasive brain stimulation with Alvaro Pascual-Leone at Beth Israel Deaconess Medical Center. In 2016 he joined the faculty at the University of Iowa. https://medicine.uiowa.edu/neurology/profile/aaron-boes 

Conference - Functional UltraSound (FUS) Imaging

Speaker: Pierre Pouget, CNRS researcher, ICM, Hôpital Pitié-Salpêtrière
Invited by Michel Thiebaut de Schotten
Date: February 13th 2023 / 14:00-15:00
Venue: IBIO, conference room
 
Introduction:
Pierre Pouget is a CNRS researcher in neuroscience. At La Pitié-Salpétrière, he studies brain wiring in primates, focusing on eye movements, and looking at specific brain structures (the frontal eye field, the supplementary eye field and the anterior cingulate regions of the brain). 

Conference - Quantitative MRI and its application to visual neuroscience

Speaker : Hiromasa Takemura, National Institute for Physiological Sciences
Okazaki (Japan)
Invited by Michel Thiebaut de Schotten
Date: March 16th 2023 / 15:00-16:00
Venue: IBIO, conference room
 
Introduction:
Hiromasa Takemura is currently working at the National Institute of Physiological Sciences in Japan. His current research focuses on using neuroimaging to clarify the relationship between the structure and function of the human brain. https://www.nips.ac.jp/scbm/en/member/2021/08/HiromasaTakemura.html

Conference - Visual field maps and white matter tracts in the human visual system

Speaker : Hiromasa Takemura, National Institute for Physiological Sciences
Okazaki (Japan)
Invited by Michel Thiebaut de Schotten
Date: March 17th 2023 / 09:30-11:00
Venue: BROCA Auditorium
 
Abstract:
Over the last several decades, system neuroscience has made substantial progress in understanding brain functions by measuring response properties of individual brain regions and their relation to behavior. However, it is not yet fully understood how such brain functions are related to the structural properties of the nervous system. To address unresolved question on structure-function relationship in the brain, one needs to understand how functional organization of the brain is related to the neuroanatomy. The visual system is an ideal system to address such question since functional organization principle of visual areas, such as visual field maps, and anatomical connections between areas are relatively understood. In this talk, I will describe recent studies investigating the relationship between functional organization of the visual areas and neuroanatomy of the visual system. First, I will describe a recent study (Miyata et al., 2022) investigating a relationship between the size of the human primary visual cortex (V1) and the optic tract by analyzing fMRI and diffusion-weighted MRI (dMRI) in the Human Connective Project 7T Retinotopy dataset (Benson et al., 2018), based on hypothesis from a previous post-mortem study (Andrews et al., 1997). Second, I will describe studies investigating the relationship between human extrastriate visual field maps (V3A/B and hV4) and the Vertical Occipital Fasciculus (VOF), which is a white matter tract connecting dorsal and ventral visual streams (Takemura et al., 2016). The analysis combining fMRI and dMRI suggests that the VOF is an important pathway for integration of upper and lower visual field information in the human visual system. In addition, I will discuss that such finding can be extended into non-human primate visual system (Takemura et al., 2017; 2020). Finally, I will briefly describe other recent projects in the lab, such as a parcellation of the visual thalamus using quantitative MRI (Oishi et al., 2023) and co
mparative diffusion MRI on visual white matter pathways.

Seminar – Structural and functional neuroanatomy of Autism Spectrum in women

Speaker : Hélène Vulser, Maître de Conférence – Praticien Hospitalier (MCU-PH)
Responsable du Centre du Neurodéveloppement Adulte Service de Psychiatrie Adulte, Hôpital Pitié-Salpêtrière, Paris

Invited by Hervé Lemaître (GIN – IMN)

Date : vendredi 9 juin / 14:00

Venue: Centre Broca

Abstract:
The gender unbalance in Autism Spectrum Disorder (ASD) – 4:1, males to females – has led studies to focus mainly on males leaving one part of the population mostly unstudied. Explanations for such an imbalance have suggested a potential male bias resulting in females being historically under-recognized, or alternatively, that females harbor a protective effect making them less likely to develop autism. For example, female could engage in “compensation” showing fewer or less severe symptoms. In this case, studying autistic traits at a subclinical level could unreveal part of the behavioral aspect of ASD, particularly in women. Autistic traits have been defined as restricted activities/stereotypical behaviors and deficits in interaction and social communication as in ASD but at a subclinical level. The degree of these autistic traits is also referred to as the broader autism phenotype that can also be distributed along a continuum in the general population.
The neuroimaging field has also been affected by this gender unbalance and only few studies has tackled the question of brain correlates of ASD in women and even less in the framework of broad autism phenotype. However, structural and functional neuroanatomy studies in women with ASD are needed to uncover part of the heterogeneity due to gender within the neurobiology of ASD. Moreover, exploring autistic traits in women could help to understand how subclinical level of ASD interact with these brain correlates and if they might be used to predict clinical outcome or to adapt intervention in another framework than a clear cut between ASD and neurotypical individuals.