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      In vivo mapping of pharmacologically induced functional reorganization onto the human brain’s neurotransmitter landscape

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          Abstract

          To understand how pharmacological interventions can exert their powerful effects on brain function, we need to understand how they engage the brain’s rich neurotransmitter landscape. Here, we bridge microscale molecular chemoarchitecture and pharmacologically induced macroscale functional reorganization, by relating the regional distribution of 19 neurotransmitter receptors and transporters obtained from positron emission tomography, and the regional changes in functional magnetic resonance imaging connectivity induced by 10 different mind-altering drugs: propofol, sevoflurane, ketamine, lysergic acid diethylamide (LSD), psilocybin, N,N-Dimethyltryptamine (DMT), ayahuasca, 3,4-methylenedioxymethamphetamine (MDMA), modafinil, and methylphenidate. Our results reveal a many-to-many mapping between psychoactive drugs’ effects on brain function and multiple neurotransmitter systems. The effects of both anesthetics and psychedelics on brain function are organized along hierarchical gradients of brain structure and function. Last, we show that regional co-susceptibility to pharmacological interventions recapitulates co-susceptibility to disorder-induced structural alterations. Collectively, these results highlight rich statistical patterns relating molecular chemoarchitecture and drug-induced reorganization of the brain’s functional architecture.

          Abstract

          Anaesthetics and psychedelics systematically engage diverse neurotransmitter systems to perturb consciousness.

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          Most cited references115

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          Controlling the False Discovery Rate: A Practical and Powerful Approach to Multiple Testing

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            The organization of the human cerebral cortex estimated by intrinsic functional connectivity.

            Information processing in the cerebral cortex involves interactions among distributed areas. Anatomical connectivity suggests that certain areas form local hierarchical relations such as within the visual system. Other connectivity patterns, particularly among association areas, suggest the presence of large-scale circuits without clear hierarchical relations. In this study the organization of networks in the human cerebrum was explored using resting-state functional connectivity MRI. Data from 1,000 subjects were registered using surface-based alignment. A clustering approach was employed to identify and replicate networks of functionally coupled regions across the cerebral cortex. The results revealed local networks confined to sensory and motor cortices as well as distributed networks of association regions. Within the sensory and motor cortices, functional connectivity followed topographic representations across adjacent areas. In association cortex, the connectivity patterns often showed abrupt transitions between network boundaries. Focused analyses were performed to better understand properties of network connectivity. A canonical sensory-motor pathway involving primary visual area, putative middle temporal area complex (MT+), lateral intraparietal area, and frontal eye field was analyzed to explore how interactions might arise within and between networks. Results showed that adjacent regions of the MT+ complex demonstrate differential connectivity consistent with a hierarchical pathway that spans networks. The functional connectivity of parietal and prefrontal association cortices was next explored. Distinct connectivity profiles of neighboring regions suggest they participate in distributed networks that, while showing evidence for interactions, are embedded within largely parallel, interdigitated circuits. We conclude by discussing the organization of these large-scale cerebral networks in relation to monkey anatomy and their potential evolutionary expansion in humans to support cognition.
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              Local-Global Parcellation of the Human Cerebral Cortex from Intrinsic Functional Connectivity MRI.

              A central goal in systems neuroscience is the parcellation of the cerebral cortex into discrete neurobiological "atoms". Resting-state functional magnetic resonance imaging (rs-fMRI) offers the possibility of in vivo human cortical parcellation. Almost all previous parcellations relied on 1 of 2 approaches. The local gradient approach detects abrupt transitions in functional connectivity patterns. These transitions potentially reflect cortical areal boundaries defined by histology or visuotopic fMRI. By contrast, the global similarity approach clusters similar functional connectivity patterns regardless of spatial proximity, resulting in parcels with homogeneous (similar) rs-fMRI signals. Here, we propose a gradient-weighted Markov Random Field (gwMRF) model integrating local gradient and global similarity approaches. Using task-fMRI and rs-fMRI across diverse acquisition protocols, we found gwMRF parcellations to be more homogeneous than 4 previously published parcellations. Furthermore, gwMRF parcellations agreed with the boundaries of certain cortical areas defined using histology and visuotopic fMRI. Some parcels captured subareal (somatotopic and visuotopic) features that likely reflect distinct computational units within known cortical areas. These results suggest that gwMRF parcellations reveal neurobiologically meaningful features of brain organization and are potentially useful for future applications requiring dimensionality reduction of voxel-wise fMRI data. Multiresolution parcellations generated from 1489 participants are publicly available (https://github.com/ThomasYeoLab/CBIG/tree/master/stable_projects/brain_parcellation/Schaefer2018_LocalGlobal).
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                Author and article information

                Contributors
                Role: ConceptualizationRole: Formal analysisRole: MethodologyRole: Project administrationRole: SoftwareRole: ValidationRole: VisualizationRole: Writing - original draft
                Role: ConceptualizationRole: MethodologyRole: SoftwareRole: Writing - review & editing
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: ResourcesRole: ValidationRole: Writing - review & editing
                Role: ConceptualizationRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: Project administrationRole: SupervisionRole: ValidationRole: Writing - original draftRole: Writing - review & editing
                Role: Formal analysisRole: InvestigationRole: Writing - review & editing
                Role: InvestigationRole: ResourcesRole: Writing - review & editing
                Role: InvestigationRole: ResourcesRole: Validation
                Role: InvestigationRole: Writing - review & editing
                Role: InvestigationRole: Resources
                Role: Formal analysisRole: InvestigationRole: Writing - review & editing
                Role: Data curationRole: InvestigationRole: Project administrationRole: ResourcesRole: SupervisionRole: Writing - review & editing
                Role: ConceptualizationRole: Data curationRole: InvestigationRole: ResourcesRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: InvestigationRole: Resources
                Role: InvestigationRole: Methodology
                Role: Methodology
                Role: ConceptualizationRole: Data curationRole: Writing - review & editing
                Role: Investigation
                Role: Data curationRole: Formal analysisRole: ResourcesRole: Writing - review & editing
                Role: InvestigationRole: Writing - review & editing
                Role: InvestigationRole: Writing - review & editing
                Role: ConceptualizationRole: InvestigationRole: Writing - original draftRole: Writing - review & editing
                Role: ConceptualizationRole: Project administrationRole: SupervisionRole: Writing - review & editing
                Role: InvestigationRole: MethodologyRole: Writing - review & editing
                Role: ConceptualizationRole: Funding acquisitionRole: InvestigationRole: Project administrationRole: ResourcesRole: SupervisionRole: Writing - review & editing
                Role: ConceptualizationRole: MethodologyRole: Project administrationRole: SoftwareRole: SupervisionRole: ValidationRole: Writing - review & editing
                Role: ConceptualizationRole: Data curationRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: Project administrationRole: ResourcesRole: SupervisionRole: ValidationRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Journal
                Sci Adv
                Sci Adv
                sciadv
                advances
                Science Advances
                American Association for the Advancement of Science
                2375-2548
                June 2023
                14 June 2023
                : 9
                : 24
                : eadf8332
                Affiliations
                [ 1 ]Division of Anaesthesia, University of Cambridge, Cambridge, UK.
                [ 2 ]Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK.
                [ 3 ]Leverhulme Centre for the Future of Intelligence, University of Cambridge, Cambridge, UK.
                [ 4 ]The Alan Turing Institute, London, UK.
                [ 5 ]McConnell Brain Imaging Center, Montreal Neurological Institute, McGill University, Montreal, QC, Canada.
                [ 6 ]Psychedelics Division - Neuroscape, Department of Neurology, University of California San Francisco, San Francisco, CA, USA.
                [ 7 ]Center for Psychedelic Research, Department of Brain Sciences, Imperial College London, London, UK.
                [ 8 ]Department of Neurology, Klinikum rechts der Isar, Technical University Munich, München, Germany.
                [ 9 ]School of Medicine, Department of Anesthesiology and Intensive Care, Technical University of Munich, Munich, Germany.
                [ 10 ]Department of Neurology, Asklepios Clinic, Bad Tölz, Germany.
                [ 11 ]Department of Anaesthesiology and Intensive Care Medicine, Klinikum rechts der Isar, Technical University Munich, München, Germany.
                [ 12 ]University of Applied Sciences and Arts Northwestern Switzerland, Muttenz, Switzerland.
                [ 13 ]Department of Anesthesia and Intensive Care Medicine, Liege University Hospital, Liege, Belgium.
                [ 14 ]Anesthesia and Perioperative Neuroscience Laboratory, GIGA-Consciousness Thematic Unit, GIGA-Research, Liege University, Liege, Belgium.
                [ 15 ]GIGA-Cyclotron Research Centre-In Vivo Imaging, University of Liege, Liege, Belgium.
                [ 16 ]Brain Institute, Federal University of Rio Grande do Norte, Natal, RN, Brazil.
                [ 17 ]Department of Neuroscience and Imaging and Clinical Science, Center for Advanced Studies and Technology, Institute for Advanced Biomedical Technologies, University "G. d'Annunzio" Chieti-Pescara, Chieti, Italy.
                [ 18 ]Institute for Memory Impairments and Neurological Disorders, University of California-Irvine, Irvine, CA, USA.
                [ 19 ]Department of Psychology and Department of Physiology and Pharmacology, Western Institute for Neuroscience (WIN), Western University, London, ON, Canada.
                [ 20 ]Trinity College Institute of Neuroscience, School of Psychology, Trinity College Dublin, Dublin, Ireland.
                [ 21 ]Wolfon Brain Imaging Centre, University of Cambridge, Cambridge, UK.
                Author notes
                [* ]Corresponding author. Email: al857@ 123456cam.ac.uk
                Author information
                https://orcid.org/0000-0002-3461-6431
                https://orcid.org/0000-0003-3142-7480
                https://orcid.org/0000-0002-9845-8532
                https://orcid.org/0000-0001-9990-6029
                https://orcid.org/0000-0002-2281-377X
                https://orcid.org/0000-0002-0530-0796
                https://orcid.org/0000-0001-6356-547X
                https://orcid.org/0000-0002-4288-9237
                https://orcid.org/0000-0001-8021-3759
                https://orcid.org/0000-0002-6460-7982
                https://orcid.org/0000-0002-6919-3360
                https://orcid.org/0000-0002-7880-6237
                https://orcid.org/0000-0002-8537-2123
                https://orcid.org/0000-0003-2115-7640
                https://orcid.org/0000-0002-2319-1669
                https://orcid.org/0000-0002-6934-2485
                https://orcid.org/0000-0002-0710-2574
                https://orcid.org/0000-0002-5738-3765
                https://orcid.org/0000-0001-9630-3978
                https://orcid.org/0000-0002-3228-9692
                https://orcid.org/0000-0003-0307-2862
                https://orcid.org/0000-0001-6955-9601
                Article
                adf8332
                10.1126/sciadv.adf8332
                10266734
                37315149
                783f55a1-af47-433d-bc4f-0b4b2157404c
                Copyright © 2023 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution License 4.0 (CC BY).

                This is an open-access article distributed under the terms of the Creative Commons Attribution license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 15 November 2022
                : 10 May 2023
                Funding
                Funded by: FundRef http://dx.doi.org/10.13039/100000913, James S. McDonnell Foundation;
                Funded by: FundRef http://dx.doi.org/10.13039/100007631, Canadian Institute for Advanced Research;
                Award ID: RCZB/072 RG93193
                Funded by: FundRef http://dx.doi.org/10.13039/100007631, Canadian Institute for Advanced Research;
                Funded by: FundRef http://dx.doi.org/10.13039/100008069, University of California, San Francisco;
                Funded by: FundRef http://dx.doi.org/10.13039/100014735, Royal College of Physicians and Surgeons of Canada;
                Funded by: FundRef http://dx.doi.org/10.13039/501100000038, Natural Sciences and Engineering Research Council of Canada;
                Award ID: 017-04265
                Funded by: FundRef http://dx.doi.org/10.13039/100018382, Beckley Foundation;
                Funded by: FundRef http://dx.doi.org/10.13039/100013057, Heffter Research Institute;
                Funded by: FundRef http://dx.doi.org/10.13039/100018491, Health Sciences, University of Arizona;
                Funded by: FundRef http://dx.doi.org/10.13039/100015904, Alexander Mosley Charitable Trust;
                Funded by: FundRef http://dx.doi.org/10.13039/100010269, Wellcome;
                Funded by: Helmholtz International BigBrain Analytics and Learning Laboratory the Natural Sciences and Engineering Research Council of Canada and Fonds;
                Funded by: Oreal Unesco for Women in Science Excellence Research Fellowship to LN;
                Funded by: FundRef http://dx.doi.org/10.13039/501100002661, Fonds De La Recherche Scientifique - FNRS;
                Funded by: Human Brain Project to NLNA;
                Funded by: Neuropsychoanalysis Foundation;
                Funded by: Multidisplinary Association for Psychedelic Studies;
                Funded by: Bernard Wolfe Health Neuroscience Fund;
                Funded by: Technical University Munich;
                Funded by: Pain management BeSARPP Brussels Belgium;
                Funded by: Belgian National Funds for Scientific Research Brussels Belgium;
                Funded by: FundRef http://dx.doi.org/10.13039/501100018942, Centro Singular de Investigación de Galicia;
                Funded by: FundRef http://dx.doi.org/10.13039/501100000272, National Institute for Health Research;
                Funded by: FundRef http://dx.doi.org/10.13039/501100000038, Natural Sciences and Engineering Research Council of Canada;
                Funded by: FundRef http://dx.doi.org/10.13039/501100002661, Fonds De La Recherche Scientifique - FNRS;
                Funded by: FundRef http://dx.doi.org/10.13039/501100014602, GIGA German Institute of Global and Area Studies;
                Funded by: FundRef http://dx.doi.org/10.13039/501100020643, Medical Research Centre;
                Funded by: Mind Science Foundation San Antonio Texas;
                Funded by: Travail Brussels Belgium;
                Funded by: Fondazione Europea di Ricerca Biomedica Milan Italy;
                Funded by: University Hospital of Liege Liege Belgium;
                Funded by: European Commission Brussels Belgium;
                Funded by: European Space Agency Brussels Belgium;
                Funded by: Physical Sciences Research Council;
                Award ID: EP/T022159/1
                Funded by: FundRef http://dx.doi.org/10.13039/501100000271, Science and Technology Facilities Council;
                Funded by: FundRef http://dx.doi.org/10.13039/501100020643, Medical Research Centre;
                Award ID: MR/M009041/1
                Funded by: FundRef http://dx.doi.org/10.13039/501100005370, Gates Cambridge Trust;
                Award ID: OPP 1144
                Categories
                Research Article
                Neuroscience
                SciAdv r-articles
                Neuroscience
                Neuroscience
                Custom metadata
                Mjoy Toledo

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