Alexander Lebedev

About me
Publications
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About me

With background in psychiatry and data science, Dr. Lebedev is currently working as a senior research specialist at the Department of Clinical Neuroscience. He is involved in several projects utilising advanced methods of quantitative modelling to study mechanisms of belief formation, as well as effects of global socioeconomic trends on population health and wellbeing.

Apart from this, Alexander coordinates the brain imaging arm in the PSIPET clinical trial investigating psilocybin's potential to treat major depression (EudraCT: 2020-002790-94).

Research

Belief formation, socionomics, resilience

Articles

Journal article: JOURNAL OF AFFECTIVE DISORDERS. 2024;351:194-201

Longitudinal associations between psychedelic use and psychotic symptoms in the United States and the United Kingdom.

Honk L; Stenfors CUD; Goldberg SB; Hendricks PS; Osika W; Dourron HM; Lebedev A; Petrovic P; Simonsson O
Journal article: BMC PSYCHIATRY. 2023;23(1):771

Study protocol for a randomized controlled trial with rituximab for psychotic disorder in adults (RCT-Rits).

Bejerot S; Eklund D; Hesser H; Hietala MA; Kariis T; Lange N; Lebedev A; Montgomery S; Nordenskjöld A; Petrovic P; Söderbergh A; Thunberg P; Wikström S; Humble MB; RCT-Rits study collaboration group
Journal article: SCIENTIFIC REPORTS. 2023;13(1):16432

Alternative beliefs in psychedelic drug users.

Lebedev AV; Acar K; Horntvedt O; Cabrera AE; Simonsson O; Osika W; Ingvar M; Petrovic P
Article: SCIENTIFIC REPORTS. 2022;12(1):4646

Large-scale societal dynamics are reflected in human mood and brain.

Lebedev AV; Abé C; Acar K; Deco G; Kringelbach ML; Ingvar M; Petrovic P
Article: BIOLOGICAL PSYCHIATRY. 2022;91(6):582-592

Longitudinal Structural Brain Changes in Bipolar Disorder: A Multicenter Neuroimaging Study of 1232 Individuals by the ENIGMA Bipolar Disorder Working Group.

Abé C; Ching CRK; Liberg B; Lebedev AV; Agartz I; Akudjedu TN; Alda M; Alnæs D; Alonso-Lana S; Benedetti F; Berk M; Bøen E; Bonnin CDM; Breuer F; Brosch K; Brouwer RM; Canales-Rodríguez EJ; Cannon DM; Chye Y; Dahl A; Dandash O; Dannlowski U; Dohm K; Elvsåshagen T; Fisch L; Fullerton JM; Goikolea JM; Grotegerd D; Haatveit B; Hahn T; Hajek T; Heindel W; Ingvar M; Sim K; Kircher TTJ; Lenroot RK; Malt UF; McDonald C; McWhinney SR; Melle I; Meller T; Melloni EMT; Mitchell PB; Nabulsi L; Nenadić I; Opel N; Overs BJ; Panicalli F; Pfarr J-K; Poletti S; Pomarol-Clotet E; Radua J; Repple J; Ringwald KG; Roberts G; Rodriguez-Cano E; Salvador R; Sarink K; Sarró S; Schmitt S; Stein F; Suo C; Thomopoulos SI; Tronchin G; Vieta E; Westlye LT; White AG; Yatham LN; Zak N; Thompson PM; Andreassen OA; Landén M; ENIGMA Bipolar Disorder Working Group
Article: FRONTIERS IN PSYCHOLOGY. 2022;13:786778

Enhanced Instructed Fear Learning in Delusion-Proneness.

Louzolo A; Almeida R; Guitart-Masip M; Björnsdotter M; Lebedev A; Ingvar M; Olsson A; Petrovic P
Journal article: SCHIZOPHRENIA BULLETIN OPEN. 2022;3(1):sgac033

Resistance to Extinction of Evaluative Fear Conditioning in Delusion Proneness

Louzolo A; Lebedev AV; Björnsdotter M; Acar K; Ahrends C; Kringelbach ML; Ingvar M; Olsson A; Petrovic P
Article: SCIENTIFIC REPORTS. 2021;11(1):16724

Higher VO2max is associated with thicker cortex and lower grey matter blood flow in older adults.

Olivo G; Nilsson J; Garzón B; Lebedev A; Wåhlin A; Tarassova O; Ekblom MM; Lövdén M
Article: SCIENTIFIC REPORTS. 2021;11(1):15058

Psychedelic drug use and schizotypy in young adults.

Lebedev AV; Acar K; Garzón B; Almeida R; Råback J; Åberg A; Martinsson S; Olsson A; Louzolo A; Pärnamets P; Lövden M; Atlas L; Ingvar M; Petrovic P
Article: HUMAN BRAIN MAPPING. 2021;42(7):2292-2304

Cross-sex shifts in two brain imaging phenotypes and their relation to polygenic scores for same-sex sexual behavior: A study of 18,645 individuals from the UK Biobank.

Abé C; Lebedev A; Zhang R; Jonsson L; Bergen SE; Ingvar M; Landén M; Rahman Q
Article: SCIENTIFIC REPORTS. 2020;10(1):5227

Effects of daily L-dopa administration on learning and brain structure in older adults undergoing cognitive training: a randomised clinical trial.

Lebedev AV; Nilsson J; Lindström J; Fredborg W; Akenine U; Hillilä C; Andersen P; Spulber G; de Lange ECM; van den Berg D-J; Kivipelto M; Lövdén M
Article: SCIENTIFIC REPORTS. 2020;10(1):4395

Acute increases in brain-derived neurotrophic factor in plasma following physical exercise relates to subsequent learning in older adults.

Nilsson J; Ekblom Ö; Ekblom M; Lebedev A; Tarassova O; Moberg M; Lövdén M
Article: NEUROPSYCHOLOGIA. 2020;137:107325

No evidence for any effect of multiple sessions of frontal transcranial direct stimulation on mood in healthy older adults.

Freidle M; Nilsson J; Lebedev AV; Lövdén M
Article: BMC NEUROLOGY. 2019;19(1):280

The EXPANd trial: effects of exercise and exploring neuroplastic changes in people with Parkinson's disease: a study protocol for a double-blinded randomized controlled trial.

Franzén E; Johansson H; Freidle M; Ekman U; Wallén MB; Schalling E; Lebedev A; Lövdén M; Holmin S; Svenningsson P; Hagströmer M
Article: JOURNAL OF COGNITIVE NEUROSCIENCE. 2018;30(7):1033-1046

Working Memory and Reasoning Benefit from Different Modes of Large-scale Brain Dynamics in Healthy Older Adults.

Lebedev AV; Nilsson J; Lövdén M
Article: PLOS ONE. 2018;13(5):e0196289

Structural and functional alterations in the brain during working memory in medication-naïve patients at clinical high-risk for psychosis.

Gisselgård J; Lebedev AV; Dæhli Kurz K; Joa I; Johannessen JO; Brønnick K
Article: PSYCHOLOGICAL SCIENCE. 2017;28(7):907-920

Direct-Current Stimulation Does Little to Improve the Outcome of Working Memory Training in Older Adults.

Nilsson J; Lebedev AV; Rydström A; Lövdén M
Article: HUMAN BRAIN MAPPING. 2016;37(9):3203-3213

LSD-induced entropic brain activity predicts subsequent personality change.

Lebedev AV; Kaelen M; Lövdén M; Nilsson J; Feilding A; Nutt DJ; Carhart-Harris RL
Article: HUMAN BRAIN MAPPING. 2015;36(8):3137-3153

Finding the self by losing the self: Neural correlates of ego-dissolution under psilocybin.

Lebedev AV; Lövdén M; Rosenthal G; Feilding A; Nutt DJ; Carhart-Harris RL
Article: HUMAN BRAIN MAPPING. 2015;36(8):2980-2995

Aberrant cerebral network topology and mild cognitive impairment in early Parkinson's disease.

Pereira JB; Aarsland D; Ginestet CE; Lebedev AV; Wahlund L-O; Simmons A; Volpe G; Westman E
Article: FRONTIERS IN AGING NEUROSCIENCE. 2015;7:230

No Significant Effect of Prefrontal tDCS on Working Memory Performance in Older Adults.

Nilsson J; Lebedev AV; Lövdén M
Article: MOVEMENT DISORDERS. 2014;29(14):1802-1808

Cognitive executive impairment and dopaminergic deficits in de novo Parkinson's disease.

Siepel FJ; Brønnick KS; Booij J; Ravina BM; Lebedev AV; Pereira JB; Grüner R; Aarsland D
Article: JOURNAL OF NEUROLOGY NEUROSURGERY AND PSYCHIATRY. 2014;85(8):930-935

Structural brain changes associated with depressive symptoms in the elderly with Alzheimer's disease.

Lebedeva A; Westman E; Lebedev AV; Li X; Winblad B; Simmons A; Wahlund L-O; Aarsland D; Alzheimer's Disease Neuroimaging Initiative
Article: NEUROLOGY. 2014;82(22):2017-2025

Initial cognitive decline is associated with cortical thinning in early Parkinson disease.

Pereira JB; Svenningsson P; Weintraub D; Brønnick K; Lebedev A; Westman E; Aarsland D
Article: FRONTIERS IN SYSTEMS NEUROSCIENCE. 2014;8:45

Large-scale resting state network correlates of cognitive impairment in Parkinson's disease and related dopaminergic deficits.

Lebedev AV; Westman E; Simmons A; Lebedeva A; Siepel FJ; Pereira JB; Aarsland D
Article: NEUROIMAGE-CLINICAL. 2014;6:115-125

Random Forest ensembles for detection and prediction of Alzheimer's disease with a good between-cohort robustness.

Lebedev AV; Westman E; Van Westen GJP; Kramberger MG; Lundervold A; Aarsland D; Soininen H; Kłoszewska I; Mecocci P; Tsolaki M; Vellas B; Lovestone S; Simmons A; Alzheimer's Disease Neuroimaging Initiative and th
Article: AMERICAN JOURNAL OF GERIATRIC PSYCHIATRY. 2014;22(1):4-13.e1

Cortical changes associated with depression and antidepressant use in Alzheimer and Lewy body dementia: an MRI surface-based morphometric study.

Lebedev AV; Beyer MK; Fritze F; Westman E; Ballard C; Aarsland D
Article: JOURNAL OF NEUROLOGY. 2013;260(4):1104-1115

Multivariate classification of patients with Alzheimer's and dementia with Lewy bodies using high-dimensional cortical thickness measurements: an MRI surface-based morphometric study.

Lebedev AV; Westman E; Beyer MK; Kramberger MG; Aguilar C; Pirtosek Z; Aarsland D
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All other publications

Preprint: OSF PREPRINTS. 2019

Acute exercise-induced increases in brain-derived neurotrophic factor in plasma relates to subsequent learning in older adults: A randomized controlled intervention trial

Nilsson J; Ekblom Ö; Ekblom M; Garzon B; Lebedev AV; Tarassova O; Moberg M; Lövdén M
Preprint: SSRN ELECTRONIC JOURNAL. 2018

Effects of Daily L-Dopa Administration on Learning and Brain Structure in Older Adults Undergoing Four Weeks of Cognitive Training: A Randomised, Parallel-Group, Double-Blind, Placebo-Controlled Trial

Lebedev AV; Nilsson J; Lindström J; Fredborg W; Akenine U; Hillilä C; Andersen P; Spulber G; de Lange EC; van den Berg D-J; Kivipelto M; Lövdén M
Conference publication: 2014;:1-4

The 10th Annual MLSP Competition: Second Place

Lebedev AV

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