Heidi Jacobs @heidijacobslab.bsky.social · 02/10/2026*** Postdoc Position*** We have a unique opportunity for a postdoc with expertise in MRS/fMRS to investigate neurochemical changes in aging and Alzheimer's disease at MGH in Boston!! (Deadline extended) 044
Reposted by Heidi JacobsImaging Brainstem Health | COST Action 24118 @ca24118.bsky.social · 14/09/2026Many of our members extended their stay in Innsbruck after our General Meeting to attend the Locus Coeruleus Meeting @lcmeeting.bsky.social Great showcase of our community’s work across talks & posters 📊, plus an intro to our COST Action! Many thanks to the organizers! 0123
Reposted by Heidi JacobsOmer Sharon @omersharon.bsky.social · 12/09/2026Another postdoc piece out today in @natneuro.nature.com! 🧠💤 In unimpaired older adults, frontal tau pathology tracked with lonely NREM slow waves that fail to travel — and these waves predicted worse overnight memory. full-text: rdcu.be/jDcgH2sK8VZa @ucberkeleyofficial.bsky.social 🧵👇nature.comHuman tau pathology is associated with lonely, nontraveling slow waves linked to memory impairment - Nature NeuroscienceFrontal cortical tau pathology in aging humans is associated with reduced slow-wave travel during sleep. This reduced propagation is associated with poorer overnight memory retention, supporting a lin... 13814
Reposted by Heidi JacobsBernie Mulvey @berniejmulvey.bsky.social · 11/09/2026Excited to share work with cryostat wizard @heenadivecha.bsky.social looking at gene expression in my favorite brain region (LC) in adult postmortem brain! (Long URL to spare the trouble of identifying cars, buses, beds in 5x5 pixel imgs). (1/x) link.springer.com/epdf/10.1007...link.springer.comMolecular programs in human locus coeruleus link APOE and neuromelanin to Alzheimer’s vulnerability 22516
Reposted by Heidi JacobsSimon Schultz @simonschultz.bsky.social · 10/09/2026Our latest paper is now online at Advanced Science. Li et al, Early spatial and contextual coding deficits in hippocampal CA1 precede performance decline in an Alzheimer’s disease model. advanced.onlinelibrary.wiley.com/doi/10.1002/...advanced.onlinelibrary.wiley.comEarly Spatial and Contextual Coding Deficits in Hippocampal CA1 Precede Performance Decline in an Alzheimer's Disease ModelTwo-photon calcium imaging in behaving 5xFAD mice reveals early CA1 coding deficits before behavioral decline. Task-related place cell activity and splitter cell trajectory coding are impaired, with .... 1253
Reposted by Heidi JacobsBryan Roth @zenbrainest.bsky.social · 09/09/2026Astrocytes mediate the dopaminergic modulation of tonic GABAergic signaling in substantia nigra | Science Advances www.science.org/doi/10.1126/...science.orgAstrocytes mediate the dopaminergic modulation of tonic GABAergic signaling in substantia nigraRecent studies have implicated dopaminergic signaling within the substantia nigra pars reticulata (SNr) in the emergence of Parkinsonian motor deficits. To better understand the mechanisms underlying ... 0113
Reposted by Heidi JacobsImaging Brainstem Health | COST Action 24118 @ca24118.bsky.social · 09/09/2026That's a wrap on our COST Action General Meeting in Innsbruck! ⛰️ Two days of high-impact discussions advancing brainstem research, clinical applications, and international collaboration. Key highlights from the meeting below 👇 152
Reposted by Heidi JacobsThe Lancet Medical Imaging & Theranostics @lancetimaging.bsky.social · 27/08/2026📢 We’ve published our first issue! Read and download our inaugural issue here ➡️ www.thelancet.com/issue/S3117-... Thank you to our authors and reviewers for their valuable contributions ✨ As a gold open access journal, our content is free to read by everyone, always. #OA #MedSky #RadSky 178
Reposted by Heidi JacobsCharley Wu @thecharleywu.bsky.social · 05/08/2026🚨Now out in Science Advances @science.org: #Parkinson's patients off dopamine medication (PD-) explore too much and exploit too little. Modeling shows they overvalue uncertainty, not that they choose randomly. On levodopa (PD+) they become comparable to controls www.science.org/doi/10.1126/... 🧵👇science.orgDopamine depletion in Parkinson’s increases directed but not random explorationLevodopa restores the balance between exploration and exploitation in Parkinson’s disease. 18018
Heidi Jacobs @heidijacobslab.bsky.social · 05/08/2026Excited to share our latest work: Inspired by animal work, we demonstrate that astrocyte reactivity amplifies the effect of lower #locuscoeruleus function on higher ptau, and these processes together are associated with steeper cognitive decline. alz-journals.onlinelibrary.wiley.com/doi/10.1002/...alz-journals.onlinelibrary.wiley.comAstrocyte reactivity modifies the effects of locus coeruleus norepinephrine‐related dysfunction on tau and its impact on cognitionINTRODUCTION Animal models demonstrated that pharmacologically-induced lesioning of the locus coeruleus (LC), the brain's primary source of norepinephrine, triggered astrocyte reactivity, exacerbati... 2182
Reposted by Heidi JacobsEarl K. Miller @earlkmiller.bsky.social · 20/07/2026The primate claustrum as a hub for precision weighting of prediction errors across the cortical hierarchy. journals.plos.org/plosbiology/... #neurosciencejournals.plos.orgThe primate claustrum as a hub for precision weighting of prediction errors across the cortical hierarchyUnderstanding how signals are exchanged across the cerebral cortex is a central challenge for theories of perception and cognition. This Essay puts forward a roadmap for investigating cortical network... 0205
Reposted by Heidi JacobsEmre Yaksi @emreyaksi.bsky.social · 17/07/2026🧠 A new paper from our lab is out! In this study, we explore how dorsal raphe nucleus (DRN) circuits modulate forebrain activity and behavior. www.nature.com/articles/s41...nature.comTopographically organized dorsal raphe activity modulates forebrain sensory-motor representations and contributes to defensive behaviors - Nature CommunicationsFunctional heterogeneity of dorsal raphe nucleus is not fully understood. Here authors show topographically organized sensory and locomotor responses from the zebrafish dorsal raphe and its forebrain ... 26621
Heidi Jacobs @heidijacobslab.bsky.social · 16/07/2026www.nature.com/articles/s41...nature.comAcetylcholine: a candidate substrate for hippocampal predictive learning? - Nature Reviews NeurosciencePredictive models have emerged as a normative lens for understanding neural function. In this Perspective, de Cothi, Shipley and Barry plausibly unify the diverse roles of hippocampal acetylcholine in... 011
Reposted by Heidi JacobsKeri Martinowich @martinowk.bsky.social · 26/06/2026I am so excited to get to share this paper that extends our work on understanding how circuitry between locus coeruleus and prefrontal cortex control attention. Just huge congrats to @rehg-j.bsky.social and @jorge-miranda.bsky.social - I am so proud of both of you 💙💙!!! 1349
Reposted by Heidi JacobsMara Mather @maramather.bsky.social · 16/07/2026LC influences OFC probablistic learning www.pnas.org/doi/10.1073/...pnas.orgOrbitofrontal noradrenaline supports adaptive learning-rate adjustment in probabilistic reversal learning | PNASAdaptive decision-making in dynamic environments requires flexible adjustment of learning speed to balance stability and flexibility. When outcomes... 0286
Reposted by Heidi JacobsAlzheimer's Association @alzassociation.bsky.social · 12/07/2026"When I look around this room, I see the people who are committed to celebrating our similarities and discussing our differences of opinion. Committed to seeing our field progress. Committed to global healthy aging. And committed to training the next generation of leaders.” 1193
Reposted by Heidi JacobsScience X / Phys.org @sciencex.bsky.social · 08/06/2026Fluoxetine did not affect serotonin neurons as one uniform group. In the dorsal raphe nucleus, two populations shifted in opposite directions, with one response appearing early and another later. doi.org/hb6z8dmedicalxpress.comNew map reveals how antidepressants reshape the brain's serotonin systemA new study has uncovered how antidepressants affect different groups of serotonin-producing brain cells in opposite ways, offering new insights into why selective serotonin reuptake inhibitors (SSRIs) can cause unpleasant side effects at the start of treatment but lead to symptom relief over time. 021
Reposted by Heidi JacobsPeter Kok @peterkok.bsky.social · 09/07/2026And for our own contribution to the theme issue: Oliver Warrington and I show that the dentate gyrus encodes prediction errors during learning of perceptual predictions. This finding complements our previous work showing a transition from errors to predictions during learning (Aitken & Kok 2022). 🧠🟦royalsocietypublishing.orgDentate gyrus encodes prediction errors during learning of perceptual predictionsAbstract. The hippocampus is involved in learning predictive associations, responding to prediction errors as well as representing predictions of future in 14416
Reposted by Heidi JacobsMariam Aly @mariamaly.bsky.social · 09/07/2026How do we update our predictions when our environment changes? The hippocampus rapidly integrates previously distinct sequences to support updated predictions. New work w/ @hannahtarder-stoll.bsky.social & @chrisbaldassano.bsky.social – part of the theme issue on hippocampal predictions!royalsocietypublishing.orgThe hippocampus rapidly integrates sequence representations during novel multistep predictionsAbstract. Memories for temporally extended sequences can be used adaptively to predict future events on multiple timescales, a function that relies on the 06121
Reposted by Heidi JacobsNeuropsychopharmacology @npp-journal.bsky.social · 23/06/2026Norepinephrine signaling in the locus coeruleus causally regulates decision thresholds, a key determinant of the speed-accuracy tradeoffnature.comRegulation of the decision threshold by the locus coeruleusNeuropsychopharmacology - Regulation of the decision threshold by the locus coeruleus 0104
Reposted by Heidi JacobsDarya Frank @darya-frank.bsky.social · 29/06/2026📣 Thrilled to share our recent work in @natneuro.nature.com. Using direct recordings from the human hippocampus and visual cortex, we asked how the brain prepares to encode information when upcoming events are unpredictable, and what ripples do in that process. www.nature.com/articles/s41...nature.comHuman hippocampal ripples tune cortical responses based on predicted uncertainty - Nature NeuroscienceUsing direct recordings from the human brain, Frank et al. show that hippocampal ripples increase ahead of unpredictable events and tune the visual cortex to respond faster and more strongly to surpri... 13314
Reposted by Heidi JacobsVidita Vaidya @viditavaidya.bsky.social · 26/06/2026Excited to see this study from @darshanakapri out in @npp_journal showing norepinephrine regulates mitochondria within hippocampal neurons via a β2-AR–Gs-cAMP–PKA-PGC-1α cascade, suggesting links between NE effects on mitochondria and cognition. www.nature.com/articles/s41...nature.comNorepinephrine regulates hippocampal mitochondrial biogenesis via β2-adrenergic receptor signaling and PGC-1α - NeuropsychopharmacologyNeuropsychopharmacology - Norepinephrine regulates hippocampal mitochondrial biogenesis via β2-adrenergic receptor signaling and PGC-1α 2164
Reposted by Heidi JacobsbioRxiv Neuroscience @biorxiv-neursci.bsky.social · 26/06/2026Cholinergic and noradrenergic modulation of perceptual decision making and learning www.biorxiv.org/content/10.64898/20… 0133
Reposted by Heidi JacobsPeter Kok @peterkok.bsky.social · 24/06/2026I am recruiting a postdoctoral researcher and a PhD student, funded by a new ERC grant. The grant focuses on the role of the hippocampus in visual perception, using 7T fMRI (hippocampal subfields, cortical layers) and MEG+iEEG. The intended start dates for both positions are in early 2027. 🧠🟦 1/3 210391
Reposted by Heidi Jacobsdavidweinshenker.bsky.social @davidweinshenker.bsky.social · 22/06/2026Interested in how dysregulation of locus coeruleus-norepinephrine circuits contribute to neuropsychiatric symptoms in early Alzheimer's disease? Check out our new review article from freshly minted Dr. Anu Korukonda! www.nature.com/articles/s41...nature.comA new hope: locus coeruleus-norepinephrine system at the nexus of neuropsychiatric symptoms - Molecular PsychiatryMolecular Psychiatry - A new hope: locus coeruleus-norepinephrine system at the nexus of neuropsychiatric symptoms 23412
Reposted by Heidi Jacobsdavidweinshenker.bsky.social @davidweinshenker.bsky.social · 22/06/2026The UK National Institute for Health and Care Research developed a systematic drug prioritization pipeline to identify repurposed drug candidates for inclusion in a planned platform trial for clinical AD. The norepinephrine reuptake inhibitor atomoxetine came in #1. pubmed.ncbi.nlm.nih.gov/42186115/pubmed.ncbi.nlm.nih.govChecking your browser - reCAPTCHA 022
Reposted by Heidi JacobsCaswell Barry @caswell.bsky.social · 23/06/2026Really excited about this work with the awesome Will de Cothi & Sarah Shipley, just out in Nature Reviews Neuroscience. We propose acetylcholine is an analogue of dopamine — tracking not reward prediction errors but state-transition prediction errors. doi.org/10.1038/s41583-026-01058-w 32711
Reposted by Heidi JacobsQuirin Gehmacher @quiringehmacher.bsky.social · 16/06/2026New preprint w/ @akalt.bsky.social, Juliane Schubert, Nathan Weisz, & @clarepress.bsky.social 🎉 Predictive-brain accounts treat "prediction error" as one signal. We find it's two jobs, in two dissociable systems. And one of them you can watch in the pupil, as people listen to a story. 🧵 (1/9) 23813
Reposted by Heidi JacobsImaging Neuroscience @imagingneurosci.bsky.social · 18/06/2026New paper in Imaging Neuroscience by Niek Stevenson, Steven Miletić, and Birte U. Forstmann: Building bridges between brain and behavior: An open-source toolbox for joint modeling with fMRI doi.org/10.1162/IMAG... 0143
Reposted by Heidi JacobsThomas Yeo @bttyeo.bsky.social · 14/06/2026For those attending @ohbmofficial.bsky.social @ohbmtrainees.bsky.social come check out our poster on E/I imbalance in pre-dementia individuals and the relationships with blood/CSF biomarkers. Poster 1059 Stand-by time: Monday, June 15 | 13:45-14:45 & Tuesday, June 16 | 12:30-13:30 0167
Reposted by Heidi JacobsTim Lawn @timlawn.bsky.social · 13/06/2026I'll be presenting two posters at OHBM this week - come say hi! [0510] Spatial collinearity constrains multivariate molecular enriched network estimation ↳ Monday & Tuesday [1985] Locus Coeruleus Connectivity Confers Cognitive Resilience in Preclinical Alzheimer’s Disease ↳ Wednesday & Thursday 1123
Reposted by Heidi JacobsJan R. Wessel @janw.bsky.social · 12/06/2026Here's a bit of unusual work on error processing and error awareness from our lab, which we've been working on off and on for around eight years: www.biologicalpsychiatrycnni.org/article/S245... Details in threadbiologicalpsychiatrycnni.orgPupil dilation indexes – but does not causally influence – conscious error detection: a double-blind, placebo-controlled investigation of performance-monitoring using atomoxetine.Conscious error detection is accompanied by error-related changes in phasic autonomic activity. This autonomic response is diminished in older age – accompanied by impairments in the conscious detecti... 1195
Reposted by Heidi JacobsChristoffer G. Alexandersen @cgalexandersen.bsky.social · 10/06/2026🧠 New paper out in 𝘉𝘳𝘢𝘪𝘯 Why does tau pathology often begin in the entorhinal cortex in Alzheimer’s disease? We show that brain-wide gradients of neuronal activity and amyloid-β may make this region particularly vulnerable to tau pathology. academic.oup.com/brain/articl... 0216
Reposted by Heidi JacobsNatale R. Sciolino, PhD @sciolinolab.bsky.social · 06/06/20261/ New preprint from our lab: “Locus coeruleus activation transforms cortical taste representations” We asked how a major neuromodulatory system reshapes cortical taste coding toward behaviorally meaningful features. www.biorxiv.org/content/10.6...biorxiv.org 3105
Heidi Jacobs @heidijacobslab.bsky.social · 06/06/2026Exciting progress, lots of new things coming!! Today we tested our new sequential predictive processing task in the new Cima.X scanner with new sequences and our eye-tracker system (now redesigned from 7T to 3T setup)! #locuscoeruleus @mghmartinos.bsky.social 060
Heidi Jacobs @heidijacobslab.bsky.social · 05/06/2026Postdoc opportunity to investigate the role of noradrenaline in Alzheimer's disease. Require: strong fMRI (fMRS) skills and interest in predictive coding. The Martinos Center in Boston is a superb place to work. Reach out for info; I will be in London (AAIC) and NL in July shorturl.at/1HSeyshorturl.atPostdoc at MGH | Heidi JacobsPostdoctoral opportunity to work on understanding the role of the noradrenergic system in Alzheimer's disease pathophysiology and symptoms. The focus is on integrating 3T and 7T MRI (sMRI, fMRI, MRS)... 051
Reposted by Heidi JacobsMike Yassa @mikeyassa.bsky.social · 02/06/2026I am recruiting an exceptional postdoc to join my lab at UC Irvine. Must be a productive researcher with experience in functional neuroimaging, network neuroscience, AI/ML, who is interested in aging, neuropsychiatric or neurodegenerative illness. www.linkedin.com/jobs/view/44...linkedin.comUC Irvine hiring Postdoctoral Researcher in Irvine, CA | LinkedInPosted 12:31:04 AM. Postdoctoral Fellow – Neuroimaging, Network Neuroscience & AI/ML in Cognitive DisordersYassa Lab |…See this and similar jobs on LinkedIn. 12822
Reposted by Heidi JacobsScience Magazine @science.org · 28/05/2026Recent studies have revealed the synchronization of neuromodulators including norepinephrine, serotonin, acetylcholine, dopamine, and histamine during sleep. A new #ScienceReview explores what potential role the synchronization of these oscillations may play in health. scim.ag/3PEGdsW scim.agThe oscillatory biology of sleep: Linkage to dementiaDuring wakefulness, neuromodulators operate largely independently to support behavior and cognition. By contrast, sleep reorganizes their activity into a coordinated brain rhythm. During sleep, the ma... 1397
Reposted by Heidi JacobsMolecular Neurodegeneration @molneurodegen.bsky.social · 26/05/2026Dual orexin receptor antagonism with lemborexant enhances #microglial clearance of β-#amyloid in mice Ashish Sharma, Emiko Segawa, Xiaoying Chen...Erik S. Musiek @washumedicine.bsky.social #Sleep #AlzheimersDisease link.springer.com/article/10.1... 012
Reposted by Heidi JacobsThe Transmitter @thetransmitter.bsky.social · 26/05/2026The locus coeruleus, which provides norepinephrine to the rest of the brain, is even more spatially and functionally diverse than previously thought, new findings suggest. By Holly Barker www.thetransmitter.org/locus-coerul...thetransmitter.orgBrain’s blue spot possesses unexpected structure-function tiesThe arrangement of locus coeruleus neurons in mice points to how the structure mediates specific effects across the brain, a new study shows. 02711
Reposted by Heidi JacobsMike Greicius @mikegreicius.bsky.social · 18/05/2026🧪 #alzheimer #amyloid Amazing new paper from @sfackley.bsky.social that exposes the statistical alchemy Lilly applied to their donanemab data: jamanetwork.com/journals/jam... There is little to no correlation between amyoid removal and clinical outcomes with donanemab (or lecanemab).jamanetwork.comMethodological Considerations for Quantile Aggregation in Alzheimer Disease TrialsThis study evaluates the quantile-aggregation method using both simulated data and publicly available Alzheimer disease randomized trial data. 1227
Reposted by Heidi JacobsThomas Yeo @bttyeo.bsky.social · 21/05/2026In a meta-analysis of 210 biomedical AI studies that statistically compared models under cross-validation, 97% used invalid statistical tests. Here's our new preprint doi.org/10.64898/202... led by @tianchu.bsky.social @hetuli.bsky.social @shaoshiz.bsky.social @nichols.bsky.social 1/N 412159
Reposted by Heidi JacobsJess Cardin @jess-cardin.bsky.social · 13/05/2026Do brain circuits really sit in a 'soup' of neuromodulators? Are neurons like soggy bits of bread soaked in signaling factors? Is the whole brain just squelching around in one big pool of warm modulators? 48636
Reposted by Heidi JacobsJamie Cockcroft @jamiecockcroft.bsky.social · 20/04/2026New paper out: Short review of Rait et al. (2025) on hippocampal drift and memory organisation. doi.org/10.1523/JNEU... #SoloAuthor #JoN #JournalClubdoi.orgShifts in Context Affect Hippocampal Activity and the Sequence of RecallPeople often find that memories linked to the same place or period come to mind together. Visiting a former workplace can prompt recall of events that had not been thought about for years, such as con... 1146
Heidi Jacobs @heidijacobslab.bsky.social · 11/05/2026Impressive PhD defense on depression, tau and serotonin by Teodora Markova from @anneberry.bsky.social ‘s lab @brandeisuniversity.bsky.social today!! Congrats Dr.Markova! 031
Heidi Jacobs @heidijacobslab.bsky.social · 08/05/2026Thrilled to share that, supported by @brightfocus.bsky.social we are going to use new MRI-PET methods to examine what happens in the serotonergic system during aging/Alzheimer disease, and what that means for cognition/behavior. #raphenucleus With:@leatgrinberg.bsky.social, @joyitadutta.bsky.social 1100
Reposted by Heidi JacobsKarin Roelofs @epanlab.bsky.social · 08/05/2026PhD Position: Computational Affective Neuroscience and Ultrasonic Neuromodulation at @dondersinst.bsky.social >Passionate about ultrasonic modulation? Come and join us! funded by @erc.europa.eu HEART2ADAPT @epanlab.bsky.social in coll. with @lennartverhagen.bsky.social www.ru.nl/en/working-a...ru.nlPhD Position: Computational Affective Neuroscience and Ultrasound Neuromodulation | Radboud UniversityDo you want to work as a PhD 'Computational Affective Neuroscience and Neuromodulation' at the Faculty of Social Sciences? Check our vacancy! 03329
Reposted by Heidi JacobsSara Mehrhof @saramehrhof.bsky.social · 08/05/2026Excited to share our new paper asking a simple question: Why do mental and metabolic health so often go hand in hand? We (@camillanord.bsky.social @hugofleming.bsky.social) tested whether shared neurocognitive signatures play a role in this relationship www.nature.com/articles/s41...nature.comComputational phenotyping of effort-based decision-making in type-2 diabetes on and off semaglutide - NeuropsychopharmacologyNeuropsychopharmacology - Computational phenotyping of effort-based decision-making in type-2 diabetes on and off semaglutide 12510
Reposted by Heidi JacobsDavid Clewett @davidclewett.bsky.social · 08/05/2026Can you make your life feel “longer” in retrospect? Add a dose of change and novelty in the present to later expand memories of your past. Excited to share our work on how dopamine-related processing bends memory to reflect the passage of distinct events. newsroom.ucla.edu/releases/can...newsroom.ucla.eduCan dopamine bend time to shape memory?The brain may use dopamine to expand time between distinct events, enabling us to remember unique episodes. 24922