Karoline Johannessen | Affective Brain lab

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Karoline Johannessen

Posted on January 26, 2026 by Siri Leknes Leave a comment

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NEWS

And 2025 is a wrap with the most funding ever – HSØ postdoc grants to Siri Leknes/Cecilia Vezzani and Gernot Ernst
Hooray! Grants for 2026 from Vestre Viken awarded to Affective Brain’ers Isabell Meier, Siri Gurandsrud Karlsen & Cecilia Vezzani (with Gernot Ernst, Marie Eikemo, Siri Leknes)
Congratulations to Guro Løseth & opponents Jennifer Bartz & Rafael Kalisch for a wonderful PhD defence Nov 19
Article & podcast interview on pain with Siri Leknes
Grant alert! Siri Leknes et al received a UiO:Life Science Convergence Environment grant for Decoding Addiction.
LABlab soon hiring postdoc , PhD position (calls now closed) for SpectrO launch in January 2026
New preprint on pain in naltrexone- and agonist-treated opioid use disorder groups from Martin Trøstheim & Eikemo lab
Siri Leknes on sabbatical in Madrid with Ana Tajadura’s I_mBody lab
Two senior lab members finally found the time in between projects to submit their (brilliant) PhD theses: congratulations Guro Løseth and Martin Trøstheim!
Major new preprint by Isabell Meier et al shows that endogenous opioids play a minor role in human pain relief
Siri Leknes speaks science & careers in ECNP podcast
Placebo Imaging Consortium preprint on conditioning vs verbal suggestion now available
New paper by Martin Trøstheim et al accepted in Biological Psychiatry: CNNI
New preprint from the group describing our first presurgical opioid RCT by Siri Gurandsud Karlsen et al
Marie Eikemo chairs EFIC symposium: Short- and longterm effects of opioid drugs on reward & motivation
Siri Leknes chairs EFIC Clinical Masterclass: Preoperative and postoperative opioids
Podcast interview with Siri Leknes from UiO (in Norwegian)
New grant awarded to test pentazocine efficacy in people with reduced OPRM1 function
Siri Leknes interviewed about pain’s benefits on BBC’s CrowdScience
ERC Consolidator Grant to Siri Leknes on the full spectrum of opioid effects
Review on Opioid regulation of social homeostasis: Connecting Loneliness to Addiction by Løseth, Eikemo, Leknes accepted for Special Issue in Biological Psychiatry
LAB lab welcomes new postdoc Anne Willems, from Bramlab, Leuven University
Eikemo lab hires consultant anaestetist Marlin Comelon in a postdoc
Siri Leknes presenting plenary lecture on opioid myths at European College of Neuropsychopharmacology in Milan
Do endogenous opioids encode social connectedness? Our meta-analysis in Translational Psychiatry by Løseth et al finds significant but small effect
LABlab thanks Raimund Buehler from Silani lab for an excellent collaboration & research visit (funded by Marietta-Blau)
New paper on how childhood adversity shapes the experience of stimulant drugs by Molly Carlyle et al
Siri Leknes contributes to preprint on groundbreaking chronic pain task development: disability justification as stress induction
Jama Psychiatry publishes meta-analysis on pain sensitivity in long-term opioid users by Trøstheim & Eikemo

PAST NEWS

New opinion piece out in Addiction Biology: Leknes et al argue for a consortium of opioid effects
Grants galore for Marie Eikemo: three major grants in six months will fund the brand-new Eikemo lab
Molly Carlyle lands tenured research position at NKVTS!
It’s preprint time at LABlab! The biggest and bestest stress+opioid self-administration paper EVER is now out on OSF (thanks Marie Eikemo et al!)
Also, we branch out into stimulants: learn how early life adversity shapes stimulant effects in this preprint by Molly Carlyle
Marie Eikemo wins prestigious Young Rearch Talents grant from Norwegian Research Council to study endocannabinoids and stress resilience
New preprint: meta-analysis of opioid modulation of social feelings by Guro Løseth et al
LABlab at EFIC 2025: Siri Leknes chairs symposium on endogenous opioids
LABlab at EBPS: Congrats to Isabell Meier and Molly Carlyle who both chaired symposia 23 August ’23
Who takes opioid rescue medication after day surgery? New paper by Meier et al accepted in Regional Anesthesia and Pain Medicine
Open-label opioids don’t improve well-being on the operating table: new paper by Eikemo et al in Anaesthesia
Recorded talk by Leknes on How opioids affect well-being
Løseth et al’s Stress recovery with social support out in PNEC
New preprint on acute opioid effects on the operating table by Eikemo et al
New preprint on rescue opioid medication use after surgery by Meier et al
New primer on pharmacological opioid blockade by Trøstheim et al out in Neuropsychopharmacology
LABlab welcomes PhD student Siri Gurandsrud Karlsen & postdoc Harald Lenz
Participate in research – healthy volunteers needed
New corrigendum to Leknes&Atlas BJA letter
We are hiring a physician postdoc: apply here before May 1
Primer on optimal dosing+timing of opioid antagonists: New preprint by Martin Trøstheim et al
Happy end-of-2021 news: LABlab’s surgery study gets funding for a PhD at Kongsberg + postdoc at OUS
LAB lab is excited to welcome our new nurse Renate Fevang & new postdoc Molly Carlyle!
Two new positions open at LABlab! postdoc in affective neuroscience & nurse/ physician
Siri Leknes is the new president-elect of Society for Social Neuroscience (S4SN)
Guro Løseth wins Best Talk Award at Society for Affective Science 2021!
Leknes releases annotated CV for SAS2021 Salon on Rejection & Resilience
New review on lessons from opioid psychopharmacology by Meier et al
New paper by Laeng et al shows brain opioids are not necessary for music appreciation
New paper on how pupil dilation can alter brightness perception, with Bruno Laeng
Recorded talks from ABC Seminar Series now hosted here!
Intranasal oxytocin stabilises face percept – new paper out
LAB lab starts ABC seminar series: Affective Brains during Covid!
New paper out: meta-analysis of anhedonia by Trøstheim et al.
Axel Vittersø awarded MRC postdoc transition grant to visit LAB lab
Two new postdocs joined LABlab: Welcome Silvana de Pirro & Isabell Meier!
LABlab’s new project kick-off day Feb 2020 (scroll for photos)
Two new grants to Siri Leknes and Gernot Ernst from HSØ: 2020-2022
Siri Leknes on pain & pleasure, BBC4 Dec 19: listen here
New paper out: anhedonia in chronic pain/opioid misuse
New PhD student at LAB lab: Martin Trøstheim
New paper by Eikemo et al on anhedonia in substance use
New papers out: opioids and touch by Guro Løseth et al; opioids, cognition & decision-making by van Steenbergen et al
New video methods paper from Anbjørn Ree et al
New preprint on anhedonia in chronic pain by Eric Garland in collaboration with LAB lab
New preprint on opioids and touch by Guro Løseth et al
LAB lab hires two new PhD students: David Medved & Guro Løseth!
New paper by Anbjørn Ree et al on pleasant touch
New preregistration of meta-analysis of anhedonia with Martin Trøstheim
New paper by Chantal Berna, Siri Leknes et al. on the opioid dependence of pain relief modes
LAB lab receives an ERC Starting Grant
New paper by Placebo Imaging Consortium
New paper by Uta Sailer, Anbjørn Ree et al.
LAB lab’s first preprint is out: on opioids, cognition & reward, with Marie Eikemo & Henk van Steenbergen
LAB lab’s first preregistration is out: on oxytocin & gaze to the eyes, with Runa Jacobsen
Siri Leknes presenting on opioids, oxytocin, reward & pain @ ESCAN, Leiden in July
Siri Leknes @ ERC Starting Grant 2018 interview in Brussels, May ’18
Remy Meir awarded Fulbright Scholarship to join LAB lab from 08/18
New paper accepted in PNEC! Løseth et al. on morphine effects on emotion perception
Siri Leknes presenting at CERE symposium “Neurochemistry of affect: The role of the opioid system“, Glasgow, April 2018
Visit and talk by Louk Vanderschuren, March 16, 12-1 pm
Siri Leknes joins Neuroqualia project

Regional Health Authority grant to Marie Eikemo and Siri Leknes
Uta Sailer wins FRIMEDBIO grant
Visit and talk by Siri Leknes at Yale University’s John B. Pierce Laboratory Seminar Series, 22 Jan 2018. Hosted by Dr Paul Geha
Visit from Georgia Silani and Claus Lamm, University of Vienna now scheduled for June 2018
LAB lab alumnus Jostein Holmgren wins prestigious Aker stipend
Public lecture by Siri Leknes on Love, pain and pleasure at Copenhagen’s Science & Cocktails, 7. November at 8 pm
Visit from Alexa Veenema, Michigan State University. Talk and workshop on rodent-human parallels, 26 October
Radio interview about women and alcohol, NRK p2 EKKO 27 Sept
EBPS meeting, Crete 31 Aug-3 September. Talk by Guro Løseth: Does mu-opioid modulation of social reward in humans mirror findings from animal models?
IASAT meeting, Liverpool 1-3 September. Talk by Siri Leknes on Lack of Opioid and Oxytocin Mediation of Touch Pleasantness
LAB lab alumnus Peder Isager starts PhD with Daniel Lakens at Eindhoven University of Technology
LAB lab alumnus Jostein Holmgren starts D.Phil with Katie Warnaby at University of Oxford

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