MN
Matthew M Nour
SchizophreniaPsychotic DisordersPsychosisBrainDopamineneuroscienceq-bio.NCcs.HCHallucinogensPET
On Valency
published · living versionsW_fdd84fab·v1 · currentpublished
Path-dependent triage: Early judgments lead conversational AI chatbots to miss mental-health emergencies
with Veith Weilnhammer, Raymond Dolan, Lennart Luettgau, Virginia Corno +4
1 version
Preprints & journals
85 papers in the corpus · 2015–2026Dexamphetamine-induced striatal hyperdopaminergia attenuates reward-related neural activation: A11C-PHNO PET-fMRI study.42710822 · Zauchenberger, Chambrez-Zita, Vano, Luke James, Veronese, Mattia et al.2026 · 0 citationsBiological psychiatry. 2026
Defining 'psychedelic'.42605589 · Ostrand, A E, Nour, M M, Timmermann, C et al.2026 · 4 citationsJournal of psychopharmacology (Oxford, England). 2026;40(11):1760-1770
A clinically validated framework for auditing AI chatbot behavior in mental health interactions.42567928 · Weilnhammer, Veith, Hou, Kevin Yc, Luettgau, Lennart et al.2026 · 5 citationsNature medicine. 2026;32(10):3730-3740
Evaluating large language models for assessment of psychosis risk.42493532 · Zhu, Taiyu, Tashevski, Alexander, Taquet, Maxime et al.2026 · 4 citationsNPJ digital medicine. 2026;9(1)
The Promise of Artificial Intelligence-Powered Speech Biomarkers in Psychiatry.42348214 · Morrin, Hamilton, Nour, Matthew M2026 · 1 citationJAMA network open. 2026;9(6):e2620251
Single-turn emergency psychiatric triage across 15 frontier AI chatbots2604.25415v3 · Veith Weilnhammer, Lennart Luettgau, Christopher Summerfield et al.2026 · 0 citationsarXiv
Convergent Multimodal Evidence of Cortical Excitation-Inhibition Imbalance in Psychosis10.64898/2026.03.31.715583v1 · Varvari, I., Doody, M., Li, Z. et al.2026 · 0 citationsbioRxiv
Evaluation of the impact of low activity imaging in [11C]-(+)-PHNO and [11C]UCB-J PET-MR scans.41806046 · Ribeiro, Daniela, Hallett, William, Howes, Oliver et al.2026 · 0 citationsEJNMMI physics. 2026;13(1)
Technological folie à deux: feedback loops between AI chatbots and mental health.41939177 · Dohnány, Sebastian, Kurth-Nelson, Zeb, Spens, Eleanor et al.2026 · 49 citationsNature. Mental health. 2026;4(3):336-345
How people use Copilot for Health2604.15331v1 · Beatriz Costa-Gomes, Pavel Tolmachev, Eloise Taysom et al.2026 · 1 citationarXiv
A multimodal Bayesian network for symptom-level depression and anxiety prediction from voice and speech data.41651894 · Norbury, Agnes, Fairs, George, Georgescu, Alexandra L et al.2026 · 1 citationScientific reports. 2026;16(1):5397
Dopamine drives a positive reward bias on human reinforcement learning10.64898/2025.12.24.696333v1 · zalta, a., Skvortsova, V., Hewitt, S. R. et al.2025 · 0 citationsbioRxiv
Building hierarchically nested structure by rapid neural sequences.41379999 · Lyu, Bingjiang, Qin, Lang, Wang, Xiongfei et al.2025 · 1 citationProceedings of the National Academy of Sciences of the United States of America. 2025;122(50):e2507417122
AI chatbots and the loneliness crisis.41381117 · Shelmerdine, Susan C, Nour, Matthew M2025 · 5 citationsBMJ (Clinical research ed.). 2025;391:r2509
Defining ‘psychedelic’5ybhk_v1 · Avery Ostrand, Matthew Nour, Christopher Timmermann et al.2025 · 0 citationsPsyArXiv
Charting trajectories of human thought using large language models2509.14455v1 · Matthew M Nour, Daniel C McNamee, Isaac Fradkin et al.2025 · 0 citationsarXiv
Trait anxiety is associated with reduced reward-related replay at rest.40858562 · Yu, Qianqian, Luo, Yue-Jia, Dolan, Ray et al.2025 · 0 citationsNature communications. 2025;16(1):7975
Dopamine and Mood in Psychotic Disorders: An 18F-DOPA PET Study.40802251 · Jauhar, Sameer, McCutcheon, Robert A, Nour, Matthew M et al.2026 · 10 citationsJAMA psychiatry. 2025
Technological folie à deux: Feedback Loops Between AI Chatbots and Mental Illness2507.19218v3 · Sebastian Dohn'any, Zeb Kurth-Nelson, Eleanor Spens et al.2025 · 26 citationsNature Mental Health (2026)
Glutamatergic Modulation of Brain Function in Psychosis: A Systematic Review of Neuroimaging Studies.40701342 · Varvari, Ioana, Bolte, Lara, Colli, Chiara et al.2025 · 4 citationsBiological psychiatry. Cognitive neuroscience and neuroimaging. 2025;10(12):1221-1238
Mitochondria and Cognition: An [18F]BCPP-EF Positron Emission Tomography Study of Mitochondrial Complex I Levels and Brain Activation During Task Switching.40010687 · Shatalina, Ekaterina, Whitehurst, Thomas, Onwordi, Ellis Chika et al.2025 · 2 citationsBiological psychiatry. Cognitive neuroscience and neuroimaging. 2025;10(8):823-832
If Mismatch Negativity Is the Answer, What Is the Question? On the Nature of Predictive Coding Abnormalities in Psychosis.40018661 · Mancini, Valentina, Nour, Matthew M2025 · 1 citationBiological psychiatry global open science. 2025;5(1):100412
Working memory processes and the histamine-3 receptor in schizophrenia: a [11C]MK-8278 PET-fMRI study.39710764 · Arumuham, Atheeshaan, Shatalina, Ekaterina, Nour, Matthew M et al.2025 · 4 citationsPsychopharmacology. 2025;242(6):1321-1334
Psychotropic Taxonomies: Constructing a Therapeutic Framework for Psychiatry.39709070 · McCutcheon, Robert A, Cowen, Philip, Nour, Matthew M et al.2025 · 6 citationsBiological psychiatry. 2025;98(6):446-454
Cognitive maps and schizophrenia.39567329 · Nour, Matthew M, Liu, Yunzhe, El-Gaby, Mohamady et al.2025 · 15 citationsTrends in cognitive sciences. 2025;29(2):184-200
Cognitive maps and schizophrenia2410.03510v1 · Matthew M Nour, Yunzhe Liu, Mohamady El-Gaby et al.2024 · 0 citationsarXiv
The relationship between brain activation and mitochondrial complex I protein levels during cognitive function in healthy humans: an BCPP-EF PET and functional MRI study of task switching10.1101/2024.09.25.614887v1 · Shatalina, E., Whitehurst, T., Chika Onwordi, E. et al.2024 · 0 citationsbioRxiv
Internal world models in humans, animals, and AI.39127038 · Diester, Ilka, Bartos, Marlene, Bödecker, Joschka et al.2026 · 2 citationsNeuron. 2024;112(16):2823
Internal world models in humans, animals, and AI.39024919 · Diester, Ilka, Bartos, Marlene, Bödecker, Joschka et al.2024 · 8 citationsNeuron. 2024;112(14):2265-2268
The relationship between SV2A levels, neural activity, and cognitive function in healthy humans: A [11C]UCB-J PET and fMRI study.39989611 · Shatalina, Ekaterina, Onwordi, Ellis Chika, Whitehurst, Thomas et al.2025 · 5 citationsImaging neuroscience (Cambridge, Mass.). 2024;2:1-16
Psychosis as a disorder of muscarinic signalling: psychopathology and pharmacology.38795721 · McCutcheon, Robert A, Weber, Lilian A E, Nour, Matthew M et al.2024 · 27 citationsThe lancet. Psychiatry. 2024;11(7):554-565
Adequate methodological reporting and sensitivity analyses are essential to allow reproducibility and interpretability in NLP studies.38615847 · Nour, Matthew M2024 · 2 citationsJournal of affective disorders. 2024;356:436-437
Histamine-3 Receptor Availability and Glutamate Levels in the Brain: A PET-1H-MRS Study of Patients With Schizophrenia and Healthy Controls.38373256 · Arumuham, Atheeshaan, Nour, Matthew M, Veronese, Mattia et al.2024 · 3 citationsThe international journal of neuropsychopharmacology. 2024;27(3)
Corrigendum: The effect of antipsychotics on glutamate levels in the anterior cingulate cortex and clinical response: a 1H-MRS study in first-episode psychosis patients.38495905 · Zahid, Uzma, McCutcheon, Robert A, Borgan, Faith et al.2024 · 0 citationsFrontiers in psychiatry. 2024;15:1292075
Development of the Japanese version of the Ego-Dissolution Inventory (EDI).38318991 · Kusudo, Keisuke, Tani, Hideaki, Yonezawa, Kengo et al.2024 · 2 citationsNeuropsychopharmacology reports. 2024;44(1):292-297
From Molecular to Algorithmic Mechanisms of Drug Action.38143099 · Nour, Matthew M, Jauhar, Sameer2023 · 0 citationsBiological psychiatry. 2024;95(3):204-206
Trajectories through semantic spaces in schizophrenia and the relationship to ripple bursts.37816054 · Nour, Matthew M, McNamee, Daniel C, Liu, Yunzhe et al.2023 · 35 citationsProceedings of the National Academy of Sciences of the United States of America. 2023;120(42):e2305290120
Natural Language Processing in Psychiatry: A Field at an Inflection Point.37805191 · Nour, Matthew M, Huys, Quentin J M2023 · 4 citationsBiological psychiatry. Cognitive neuroscience and neuroimaging. 2023;8(10):979-981
Linking offline learning mechanisms to anxiety traits10.1101/2023.06.21.546031v2 · Yu, Q., Luo, Y., Dolan, R. J. et al.2023 · 7 citationsbioRxiv
The histamine system and cognitive function: An in vivo H3 receptor PET imaging study in healthy volunteers and patients with schizophrenia.37329185 · Arumuham, Atheeshaan, Nour, Matthew M, Veronese, Mattia et al.2023 · 14 citationsJournal of psychopharmacology (Oxford, England). 2023;37(10):1011-1022
The relationship between striatal dopamine and anterior cingulate glutamate in first episode psychosis changes with antipsychotic treatment.37253720 · Jauhar, Sameer, McCutcheon, Robert A, Veronese, Mattia et al.2023 · 11 citationsTranslational psychiatry. 2023;13(1):184
Theory-Driven Analysis of Natural Language Processing Measures of Thought Disorder Using Generative Language Modeling.37257754 · Fradkin, Isaac, Nour, Matthew M, Dolan, Raymond J2023 · 10 citationsBiological psychiatry. Cognitive neuroscience and neuroimaging. 2023;8(10):1013-1023
Reduced coupling between offline neural replay events and default mode network activation in schizophrenia.36950194 · Nour, Matthew M, Liu, Yunzhe, Higgins, Cameron et al.2026 · 10 citationsBrain communications. 2023;5(2):fcad056
Effect of polygenic risk for schizophrenia on cardiac structure and function: a UK Biobank observational study.36632818 · Pillinger, Toby, Osimo, Emanuele F, de Marvao, Antonio et al.2023 · 54 citationsThe lancet. Psychiatry. 2023;10(2):98-107
Reward processing in schizophrenia and its relation to Mu opioid receptor availability and negative symptoms: A [11C]-carfentanil PET and fMRI study.37517175 · Shatalina, Ekaterina, Ashok, Abhishekh H, Wall, Matthew B et al.2023 · 8 citationsNeuroImage. Clinical. 2023;39:103481
The effects of AUT00206, a novel Kv3.1/3.2 potassium channel modulator, on task-based reward system activation: a test of mechanism in schizophrenia.36094619 · Kaar, Stephen J, Angelescu, Ilinca, Nour, Matthew M et al.2022 · 14 citationsPsychopharmacology. 2022;239(10):3313-3323
Functional neuroimaging in psychiatry and the case for failing better.35981525 · Nour, Matthew M, Liu, Yunzhe, Dolan, Raymond J2022 · 89 citationsNeuron. 2022;110(16):2524-2544
The effect of antipsychotics on glutamate levels in the anterior cingulate cortex and clinical response: A 1H-MRS study in first-episode psychosis patients.36032237 · Zahid, Uzma, McCutcheon, Robert A, Borgan, Faith et al.2025 · 14 citationsFrontiers in psychiatry. 2022;13:967941
The Watts Connectedness Scale: a new scale for measuring a sense of connectedness to self, others, and world.35939083 · Watts, Rosalind, Kettner, Hannes, Geerts, Dana et al.2022 · 166 citationsPsychopharmacology. 2022;239(11):3461-3483
Relationship Between Replay-Associated Ripples and Hippocampal N-Methyl-D-Aspartate Receptors: Preliminary Evidence From a PET-MEG Study in Schizophrenia.35911846 · Nour, Matthew M, Beck, Katherine, Liu, Yunzhe et al.2025 · 7 citationsSchizophrenia bulletin open. 2022;3(1):sgac044
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