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Marie Loescher

@marieloescher.bsky.social

PhD student in cognitive neuroscience at the LNC2, ENS, Paris Interested in brain-(rest of)body interactions and the biological basis of subjectivity

5 Posts152 Follower162 Folgt
Alex Galvez-Pol@alexgalvezpol.bsky.social · 2mo ago

We are launching Interoception Circle! A new seminar series on embodiment, psychophysiology & body-brain coupling 1st online talk tomorrow: “What Role for Interoception in Perception? Evidence from Heartbeat-Evoked Potentials” (Marie Loescher) 3 June, 12pm CEST. All welcome! 🔗 ace2lab.com/2581-2/

Suvi Karjalainen@suvikarjalainen.bsky.social · 3mo ago

Our new article is out! 🧠🫀 We investigated heartbeat-locked brain activity using #MEG and found that beta-band suppression was enhanced during interoceptive attention and in individuals with higher interoceptive accuracy. #neuroskyence #interoception @uniofjyvaskyla.bsky.social

<em>Psychophysiology</em> | SPR Journal | Wiley Online Library

This study shows that beta-band suppression time-locked to the heartbeat is a reliable neural marker of interoceptive processing, with a distinct fronto-cingulo-somatosensory signature that different...

doi.org

Joao Barbosa@jbarbosa.org · 4mo ago

Wanna do neuroscience in Paris but can't find interesting lab? Want to come do a sabbatical but don't know who to collaborate? Check this webpage aggregating ~all the neuroscience labs (+200) in Paris. ⚠️only the information of 'verified' profiles is reliable⚠️ Please retweet 🙏 parisneuro.fr

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Leah Banellis@leahbanellis.bsky.social · 5mo ago

Excited to share that our work on organ-specific interoception is now published in Communications Psychology! www.nature.com/articles/s44... @micahgallen.com @the-ecg.org

Interoceptive ability is uncorrelated across respiratory and cardiac axes in a large scale psychophysical study - Communications Psychology

Bayesian psychophysical modelling of cardiac and respiratory interoception (N=241) showed no cross-domain associations in sensitivity, precision, or metacognition, indicating that interoceptive perfor...

nature.com

Marie Loescher@marieloescher.bsky.social · 5mo ago

Happy to share our new Opinion now out in @cp-trendsneuro.bsky.social, with Catherine Tallon-Baudry and Anthony Clément! A dual-function framework of interoception: the information and coordination modes of interoceptive signaling Full access: authors.elsevier.com/a/1miOLbotqB... #neuroskyence

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Les Soulèvements de la terre@lessoulevements.bsky.social · 7mo ago

SOLIDARITÉ AVEC LE ROJAVA ‼️ La révolution du Rojava est attaquée depuis plus d'une semaine par les forces de HTS du pouvoir de Al-Charra en Syrie, soutenues militairement par la Turquie, et avec l'aval des USA et des pays de l'UE. Rassemblons-nous en soutien ! 🧵⬇️

solidarité avec le rojava
Deniz Yilmaz@deniz-yilmaz.bsky.social · 7mo ago

How the brain listens to the body matters. Our new preprint investigates interoceptive processing in schizophrenia spectrum disorders across phenomenology, behavior, and heartbeat-evoked brain responses. 🧠🫀DOI: doi.org/10.64898/202...

From Body to Brain and Back: Multimodal Evidence for Interoceptive Alterations in Schizophrenia Spectrum Disorders

When the brain and body misalign, emotional experience and sense of reality can be disrupted. Although such atypical experiences are central to schizophrenia spectrum disorders (SSD), interoception, p...

doi.org

Lea Moncoucy@leamoncoucy.bsky.social · 9mo ago

1/Paper out today in Phil Trans B @royalsocietypublishing.org alsocietypublishing.org in a Special Issue «Evolutionary functions of consciousness», by @axc.bsky.social, Catherine Tallon-Baudry, @krysdolega.bsky.social and myself. 👉Open-access at this link: doi.org/10.1098/rstb... ⬇️ Summary below:

The value of consciousness: experiences worth having | Philosophical Transactions of the Royal Society B: Biological Sciences

DC. Dennett (2020,personal communication) asked: ‘How do we go from doing things for reasons to having reasons for doing things?’. This question targets a fundamental shift in nature: while all organi...

doi.org

Marie Loescher@marieloescher.bsky.social · 8mo ago

My very first paper is finally out in @pnas.org, with Catherine Tallon-Baudry and Patrick Haggard! Interoception, exteroception, the self and more, it's got it all. Also it should go open access at some point www.pnas.org/doi/10.1073/...

Interoception vs. Exteroception: Cardiac interoception competes with tactile perception, yet also facilitates self-relevance encoding | PNAS

Internal bodily signals, notably the heartbeat, influence our perception of the external world&mdash;but the nature of this influence remains unclear. Di...

pnas.org

Diego Candia-Rivera 🏳️‍🌈@diegocandiar.bsky.social · 9mo ago

More on the link brain-heart axis and sensorimotor function, relevant for BCI research 🤖: Different bodily rhythms are coupled with cortical regions at rest. Here we show that motor imagery triggers a decoupling of cardiac dynamics with motor cortex functional connectivity 🧠🫀 doi.org/10.1101/2025...

Imagined movement increases the segregation of brain-heart networks

Understanding the mechanisms of motor imagery, the mental simulation of movement without execution, is key for the development of neurotechnologies. For instance, for detecting covert motor intent in ...

doi.org

Tahnée Engelen@tahnee-engelen.bsky.social · 9mo ago

So happy this paper is now out in @plosbiology.org! We investigated whether fluctuations in MEPs can be explained by phasic influences from internal bodily rhythms, and whether this might happen independently per organ system. #interoception #neuroskyence

PLOS Biology@plosbiology.org · 9mo ago

How do internal bodily rhythms influence #brain activity & motor function? @tahnee-engelen.bsky.social &co show that #cardiac, #respiratory & #gastric rhythms independently modulate motor excitability, revealing distinct #interoceptive profiles across individuals @plosbiology.org 🧪 plos.io/4nMtpLT

Top: Experimental set up. Single pulses of TMS were applied to the hand area of the right primary motor cortex with an inter-pulse interval randomized between 6 and 10 s. Simultaneously, the neuronavigated coil position (yellow), electrocardiogram (red), respiratory signal (blue), electrogastrogram (green), and electromyography from the left hand (gray) were recorded. The figure shows traces of a 20-s time segment from one participant of the cardiac (raw), respiratory (filtered), gastric (filtered), and EMG (raw) signals. The experimental measure was the Motor Evoked Potential amplitude measured on a hand muscle (first dorsal interosseous), analyzed against the phase of the cardiac, respiratory, and gastric rhythms. Note that the three rhythms have very different periods (~1 s for the heart, ~ 5 s for respiration, and ~20 s for the gastric rhythm). Bottom: Artwork illustrating how rhythms of the internal organs interact with the moment-to-moment fluctuations observed in corticospinal motor excitability. Image depicts an outline of a brain with representations of the three rhythmic organs influencing the motor system: the heart, lungs, and stomach. Image credit: Tahnée Engelen.
Tahnée Engelen@tahnee-engelen.bsky.social · 9mo ago

After initially being place on the reserve list, my Academy Research Fellowship has now received a positive result from the Research Council of Finland 🥳 Next year I will be starting my own team where we will work on identifying new interoception-based treatment targets for mental health disorders!