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Claudia Massaccesi

@clamassaccesi.bsky.social
237 followers 387 following 15 posts

Postdoc @LonsdorfLab | previously @ScanUnit @CSNunit & @UZH | (pro)social motivation, reward, opioids & dopamine

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Reposted by Claudia Massaccesi
Rebecca Boehme @rebeccaboehme.bsky.social · 22/01/2026
Very happy to share this pre-print from our translational mouse-human study on the role of oxytocin in modulating spinal cord processing 🧠🥰🐁 www.biorxiv.org/content/10.6... #neuroskyence #PsychSciSky
biorxiv.org
Oxytocin Modulation of Spinal Circuits Drives Therapeutic Benefits of Massage
Across social species, social touch enhances well-being and reduces pain — two seemingly distinct benefits that enhance survival. Yet where and how the nervous system integrates these functions, and whether a single mechanism could serve both, remains unknown. Here we show that massage triggers oxytocin release, which shapes both pain and touch reward at the earliest stage of central processing — the spinal cord — through a single, state-dependent circuit mechanism. We report that in humans, massage enhances well-being, effects that correlate with endogenous oxytocin release. In mice, gentle touch activates hypothalamic oxytocin neurons that project directly to the spinal dorsal horn. Genetic manipulation of spinal oxytocin circuits alters behavioral responses to both gentle touch and noxious stimuli. Spinal calcium imaging and slice electrophysiology reveal that oxytocin acts on both excitatory and inhibitory spinal neurons to sculpt the relative activity of spinal ascending systems that convey both social touch and pain to the brain. Extending these findings to humans, we show that oxytocin receptors are also expressed on spinal excitatory and inhibitory neurons, and that endogenous oxytocin during massage correlates with altered spinal touch processing. Thus, spinal oxytocin signaling provides an evolutionarily conserved mechanism for the therapeutic benefits of massage. ### Competing Interest Statement The authors have declared no competing interest. Simons Foundation, https://ror.org/01cmst727 NIH, R01NS119268, R01NS124799, U24AT011970, K99NS133476 Pew Charitable Trusts, https://ror.org/02xhk2825 Whitehall Foundation, https://ror.org/00her7k05 Craig H Neilsen Foundation Rita Allen Foundation, https://ror.org/0515k5w36 Alfred P. Sloan Foundation, https://ror.org/052csg198 New Jersey Commission on Spinal Cord Research Agence Nationale de la Recherche, ANR-18-CE16-1190 0002-01, ANR-19-CE14-0033-01 Labex ICST ANR Fondation pour la Recherche Médicale Neurodon Knut and Alice Wallenberg Foundation, https://ror.org/004hzzk67 NIA, AG055378 JSPS KAKENHI, 20K06467, 23K05612
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Reposted by Claudia Massaccesi
Isabella Wagner 🧠🦠 @isabellacwagner.bsky.social · 08/01/2026
Apply now: 1 Postdoc + 1 PhD position, Anderson-Wagner group @univie.ac.at Focus: gut microbial effects on hippocampus & memory 🧠🦠 #PostdocJobs #Microbiome #AcademicJobs #PhDposition Postdoc Ad: careers.univie.ac.at/en/postdoc/e... > Psychology PhD Ad: careers.univie.ac.at/en/praedoc/p... > CoBeNe
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Reposted by Claudia Massaccesi
Lauren Atlas @laurenatlas.bsky.social · 15/12/2025
I am so excited to share our newest preprint, inspired by @tinalonsdorf.bsky.social, “A multiverse approach to heat-evoked skin conductance analysis: Evaluating the influence of analytic pipeline on associations between skin conductance and pain osf.io/preprints/ps...
osf.io
OSF
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Reposted by Claudia Massaccesi
ESCAN @escaneu.bsky.social · 27/11/2025
The ESCAN 2026 website is now live! → escan2026.eu Join us in Rome, 3–6 June 2026, for the next European meeting in cognitive and affective neuroscience. Find the registration info, venue details, and updates all in one place. More news soon. #ESCAN2026 #Neuroscience #Rome2026
escan2026.eu
Home - ESCAN 2026
ESCAN 2026 is the 9th ESCAN Conference, the biennial meeting of the European Society for Cognitive and Affective Neuroscience.
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Reposted by Claudia Massaccesi
Nils Kroemer @nbkroemer.bsky.social · 24/10/2025
Bee positive: A demonstrator’s positive attitude toward the potential for a reward is picked up by an observer in 🐝 #neuroskyence www.science.org/doi/10.1126/...
science.org
Positive affective contagion in bumble bees
Affective contagion, a core component of empathy, has been widely characterized in social vertebrates but its existence in any invertebrate is unknown. Using a cognitive bias paradigm we demonstrate p...
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Claudia Massaccesi @clamassaccesi.bsky.social · 14/10/2025
Thanks ACNP! Excited to (virtually) attend my first ACNP meeting 🤩
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Reposted by Claudia Massaccesi
Ondrej Zika @ondrejzika.bsky.social · 01/10/2025
🚨 PhD/Postdoc alert 👇 If you are interested in doing a PhD/Postdoc in computational psychiatry (starting Sept 2026), do get in touch by October 4th at ondrej.zika@pm.me :) Any inquiries are welcome. To apply, please attach your CV, half page motivation and half page research statements.
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Claudia Massaccesi @clamassaccesi.bsky.social · 02/10/2025
New paper out in NYAS! nyaspubs.onlinelibrary.wiley.com/doi/10.1111/... We show that protecting others' from pain promotes effortful prosocial behavior 💪🧑‍🤝‍🧑🤝 w/ @clauslamm.bsky.social @silanilab.bsky.social @lei-zhang.bsky.social (thread below)
nyaspubs.onlinelibrary.wiley.com
NYAS Publications
Protecting others from harm is critical for societal well-being but is often effortful. We examined how individuals choose to exert physical effort to reduce their and another person's pain. Results ....
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Reposted by Claudia Massaccesi
Siri Leknes @sirileknes.bsky.social · 24/09/2025
Please RT 2 new positions in the lab as postdoc & PhD! Interested in stress, pain, or reward? This project has it all! We are a friendly but ambitious group. Oslo is a capital city on the fjord & bordered by forest, great urban & outdoors opportunities: 💃 ⛷️ 🚣 🎭 🎶 www.jobbnorge.no/en/available...
jobbnorge.no
Postdoctoral Research Fellowship (286516) | University of Oslo
Job title: Postdoctoral Research Fellowship (286516), Employer: University of Oslo, Deadline: Wednesday, October 15, 2025
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Reposted by Claudia Massaccesi
Society for Social Neuroscience (S4SN) @s4sn.bsky.social · 23/08/2025
✨ Exciting news for our upcoming S4SN Lisbon meeting! ✨ Join us from September 23-26 for a dynamic program filled with inspiring talks, poster presentations, and networking opportunities. Get ready to connect, learn, and share ideas in the beautiful city of Lisbon! The program is out 😍
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Reposted by Claudia Massaccesi
Siri Leknes @sirileknes.bsky.social · 11/08/2025
Major news! Exhaustive metaanalysis (N=2706) finding that endogenous opioids play a MINOR role in human pain regulation: Consistent with 0.3 on 11-point VAS By @isabellmeier.bsky.social @martintrostheim.bsky.social @marieeikemo.bsky.social @loseth.bsky.social et al Thread 👇 osf.io/preprints/os...
osf.io
OSF
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Claudia Massaccesi @clamassaccesi.bsky.social · 03/07/2025
I am still 100% in
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Reposted by Claudia Massaccesi
Stefano Palminteri @stepalminteri.bsky.social · 26/05/2025
New in Nature MentalHealth! with Vrizzi, Najar, Lemogne, and @mael-lebreton.bsky.social We tested whether behavioural and RL-based model parameters are test-retest reliable and predict mental health traits. The result? Not really. A cautionary tale for comp. psychiatry doi.org/10.1038/s442...
doi.org
Behavioral, computational and self-reported measures of reward and punishment sensitivity as predictors of mental health characteristics - Nature Mental Health
Reinforcement learning task-based behavioral and computational measures displayed low test–retest reliability at the individual level. Also in contrast to self-assessed personality measures, behaviora...
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Reposted by Claudia Massaccesi
Leah Mayo @mayoonthebrain.bsky.social · 17/05/2025
Its a long weekend here in Canada, which seems appropriate to mourn our recent @npp-journal.bsky.social paper, in which we find that FAAH inhibition does NOT improve symptoms in PTSD🙁 A heroic effort w/ @cannabrain.bsky.social @connorhaggarty.bsky.social @ryanntansey.bsky.social & many more 🧵⬇️
nature.com
The efficacy of elevating anandamide via inhibition of fatty acid amide hydrolase (FAAH) combined with internet-delivered cognitive behavioral therapy in the treatment of post-traumatic stress disorde...
Neuropsychopharmacology - The efficacy of elevating anandamide via inhibition of fatty acid amide hydrolase (FAAH) combined with internet-delivered cognitive behavioral therapy in the treatment of...
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Reposted by Claudia Massaccesi
SCAN Unit @scanunit.bsky.social · 12/05/2025
Only 1 week left to apply for our open PhD position! 🧠 ‼️ Deadline: May 18th
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Tina Lonsdorf @tinalonsdorf.bsky.social · 09/05/2025
still a couple of days left to apply!
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Tina Lonsdorf @tinalonsdorf.bsky.social · 24/04/2025
⚠️Permanent position (E13) as lab manager (psychophysiology, experimental behavioral neuroscience) at University of Bielefeld. Earliest starting date is in July but later is absolutely possible. Please share widely uni-bielefeld.hr4you.org/job/view/427...
uni-bielefeld.hr4you.org
Laborleiter*in (m/w/d) Psychophysiologie und Verha...
In der Fakultät für Psychologie und Sportwissenschaft ist zum nächstmöglichen Zeitpunkt die Stelle der*des Laborleiter*in (TV-L E12 bzw. E13) im B...
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Claudia Massaccesi @clamassaccesi.bsky.social · 16/04/2025
Amazing opportunity to join the fantastic @scanunit.bsky.social and do cool research on prosocial behavior 🤝🧠 Apply or share widely!
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Reposted by Claudia Massaccesi
Tobias Kalenscher @kalenscher.bsky.social · 03/04/2025
3-year postdoc position (100% fte, TVL-E13) in human fMRI and psychopharmacology at the Institute of Experimental Psychology, Comparative Psychology, Heinrich Heine University Düsseldorf, Germany. Applications are invited for a 3-year postdoc position in the Comparative Psychology research group
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CSN Unit @silanilab.bsky.social · 01/04/2025
Out in Biological Psychiatry "Affective and Social Predictors of Food Consumption During the COVID-19 Lockdown" www.biologicalpsychiatryjournal.com/article/S000...
biologicalpsychiatryjournal.com
Affective and Social Predictors of Food Consumption During the COVID-19 Lockdown
COVID-19 lockdowns were linked to a surge in unhealthy food–related behaviors, potentially as an attempt to cope with disrupted social homeostasis. Here, we tested bidirectional associations between m...
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Reposted by Claudia Massaccesi
CSN Unit @silanilab.bsky.social · 28/03/2025
🎉New paper out in Royal Society Open Science!🎉 Our lab member Raimund Buehler has just published his second ever, first-author paper! 📄 Read it here: royalsocietypublishing.org/doi/10.1098/... #AutismResearch #Neuroscience
royalsocietypublishing.org
Autistic traits relate to reduced reward sensitivity in learning from point-light displays (PLDs) | Royal Society Open Science
A number of studies have linked autistic traits to difficulties in learning from social (versus non-social) stimuli. However, these stimuli are often difficult to match on low-level visual properties,...
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Kim Doell @kimdoell.bsky.social · 27/03/2025
🌍 We are launching a new #ManyLabs!!! Join the Heat & Cognition project! We're studying how extreme heat affects human thinking, social behavior & well-being — globally. Contribute & co-author: 🔗 Info: heatandmind.wordpress.com 📋 Sign up: www.soscisurvey.de/HeatandCogni... #EnvironmentalPsychology
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Reposted by Claudia Massaccesi
Samuel Hewitt, PhD @samuelhewitt.bsky.social · 18/03/2025
A little bby from my PhD is published! we did a complex study to answer a simple Q: do day-to-day feelings impact choices? A: Yes. When feeling motivated (independent of other stable or unstable feelings) choices changed because rewards seemed greater. open access link: doi.org/10.1073/pnas...
doi.org
Day-to-day fluctuations in motivation drive effort-based decision-making | PNAS
Internal states like motivation fluctuate substantially over time. However, studies of the neurocomputational mechanims of motivated behavior have ...
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Reposted by Claudia Massaccesi
Siri Leknes @sirileknes.bsky.social · 18/02/2025
As the world grows scarier, let's talk about social connection! We review its role in addiction & how it's influenced by opioids, now out in Biological Psychiatry (special issue on social homeostasis) It's @loseth.bsky.social's brainchild & covers A LOT🧠 doi.org/10.1016/j.bi... #neuroscience
doi.org
Redirecting
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Claudia Massaccesi @clamassaccesi.bsky.social · 17/02/2025
Overall, our results challenge the notion that individuals exhibit prosocial apathy when effort is required to help others and suggest that the type of incentive (avoiding harm vs. increasing wealth) is a key factor in shaping effortful prosocial behavior.
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Claudia Massaccesi @clamassaccesi.bsky.social · 17/02/2025
Last, using computational modelling, we show little credible evidence that discounting of pain reduction by effort differs between self and other
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Claudia Massaccesi @clamassaccesi.bsky.social · 17/02/2025
Participants also exerted a similar amount effort to reduce their and the other's pain, indicating that this prosocial motivation to protect others’ form harm extends beyond decision-making to action invigoration
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Claudia Massaccesi @clamassaccesi.bsky.social · 17/02/2025
We showed that when pain reduction is the outcome of the prosocial act individuals are similarly willing to mobilize effort to help themselves and a stranger
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Claudia Massaccesi @clamassaccesi.bsky.social · 17/02/2025
Prior research suggested that when effort is required to help, individuals become prosocially apathetic. Here we adapted a well-validated prosocial effort task (pubmed.ncbi.nlm.nih.gov/28819649/) and we examined if this is the case also for non-monetary rewards, i.e. reducing other’s pain
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Claudia Massaccesi @clamassaccesi.bsky.social · 17/02/2025
New preprint from my postdoc work @scanunit.bsky.social osf.io/preprints/ps... “Avoiding pain to others motivates effortful prosocial behavior reducing prosocial apathy” w/ @clauslamm.bsky.social @lei-zhang.bsky.social @silanilab.bsky.social
osf.io
OSF
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Claudia Massaccesi @clamassaccesi.bsky.social · 17/02/2025
Participants also exerted a similar amount effort to reduce their and the other's pain, indicating that this prosocial motivation to protect others’ form harm extends beyond decision-making to action invigoration.
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Claudia Massaccesi @clamassaccesi.bsky.social · 17/02/2025
We showed that when pain reduction is the outcome of the prosocial act individuals are similarly willing to mobilize effort to help themselves and a stranger.
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Claudia Massaccesi @clamassaccesi.bsky.social · 17/02/2025
Prior research suggested that when effort is required to help, individuals become prosocially apathetic. We adapted a well-validated prosocial effort task (pubmed.ncbi.nlm.nih.gov/28819649/) and examined if this is the case also for non-monetary rewards, that is reducing other’s pain.
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Reposted by Claudia Massaccesi
Leah Mayo @mayoonthebrain.bsky.social · 22/01/2025
The first @pact-lab.bsky.social paper of 2025 is out now in @npp-journal.bsky.social 🤩 Led by @madeleinejones.bsky.social & @connorhaggarty.bsky.social ft. @abby-lunge.bsky.social @cannabrain.bsky.social & others www.nature.com/articles/s41...
nature.com
Endocannabinoid contributions to the perception of socially relevant, affective touch in humans - Neuropsychopharmacology
Neuropsychopharmacology - Endocannabinoid contributions to the perception of socially relevant, affective touch in humans
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Nature Reviews Psychology @natrevpsychol.nature.com · 17/01/2025
Negative affectivity drivers of impulsivity in opioid use disorder Review by Jasmin Vassileva, Elena Psederska & James M. Bjork Web: go.nature.com/40hYoG5 PDF: rdcu.be/d6CGB #psychology #psychscisky #addictionsci
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Leah Mayo @mayoonthebrain.bsky.social · 17/01/2025
The @pact-lab.bsky.social is hiring 🤩 We're looking for a nurse to support our psilocybin-assisted psychotherapy clinical trials for alcohol use disorder (ongoing) and concussion (upcoming) at UCalgary 🍄 More info here: careers.ucalgary.ca/jobs/1547185...
careers.ucalgary.ca
Casual (Hourly) Clinical Research Nurse, Psychiatry in Calgary, AB, ...
Casual (Hourly) Clinical Research Nurse, Psychiatry in Calgary, AB, ...
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SCAN Unit @scanunit.bsky.social · 15/01/2025
We are a bit late for this, but happy new year from the SCAN unit! 🎈 We are thankful for the productive and joyful times together and looking forward to another year of exciting research! 🤩 Here is our 2024 in review 👇
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Claudia Massaccesi @clamassaccesi.bsky.social · 16/12/2024
Closing the year with a new paper from my research visit at Quednow's lab @UZH ✨ We examined associations between cumulative hair #testosterone & #cortisol and social decision-making in a large cohort of young adults w/ @lydiafjf.bsky.social and many others
academic.oup.com
No evidence for an association of testosterone and cortisol hair concentrations with social decision-making in a large cohort of young adults
Abstract. Prior research has established that testosterone is an important modulator of social decision-making. However, evidence on the relationship betwe
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Claudia Massaccesi @clamassaccesi.bsky.social · 04/12/2024
Super congrats Siri!! Cannot wait to know more about it 🤩
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SCAN Unit @scanunit.bsky.social · 27/11/2024
We created a starter pack for all current and former members of the SCAN unit @univie.ac.at Topics: social, cognitive, affective, and environmental neuroscience and psychology 🧠🤗 Follow us for updates on our research! bsky.app/start/did:pl...
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SCAN Unit @scanunit.bsky.social · 20/11/2024
Congratulations to @magdalenaboch.bsky.social for receiveing the L’oreal award! 👏👏👏 So well-deserved!
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