Projects per year
Personal profile
Specialisation
Mental Health, Biological Psychiatry, Metabolic Psychiatry, Psychonomics, Mood disorders. Youth and neuromodulation, Gut-brain-axis.
#Art: Improvisation art. Immersive experience. Biobased art. Art based learning. Neuroaesthetics.
Research interests
Psychiatrist and psychologist with an interdisciplinary expertise in the fields of mental health, biological (metabolic) psychiatry, and psychonomics. I am fascinated by changes in mental health over time, especially the course of mood. With a focus on adolescence, as it is arguabely one of the most challenging and dynamic periods of development. The malleablity of the (nervous) system at adolescence can be harnessed and may provide a critical window of opportunity to safely mitigate f.e. depression. This goal ask for a complexity approach, in which multiple factors at distinct levels interact and psychobiological systems are a potential end-point to target. My dual training and expertise in psychiatry and psychonomics allows me to approach this topic in a genuinely interdisciplinairy manner, whereby methods and concepts of both fields are integrated.
My research spans from hormones to metabolomics to exploring the microbiome as a novel approach to the analysis and modification of mental health. The microbiome is operating at the nexus of the exposome and psychobiological functioning. The latter program of research involves discovery, mechanistic and intervention studies of microbiology in mental health in collaboration with the faculty of Science, Swammerdam Institute of Life Sciences, University of Amsterdam. Strives to translate this knowledge to the public by diverse media content and participates in a museum exhibition (Rijksmuseum Boerhaave Leiden).
Clinically, my work focusses on affective disorders in youth, which was recognized with an innovation grant by the board of the Amsterdam University Medical Center to set up a Transition center for Affective Disorders (www.tas.nl). Adolescence is a critical time for mental well-being, as alsmost 75% of adult mental disorders have origins during youth. This center attempt to serve as a springboard for accelerated action on adolescent health and to intervene on time. My research centers on 1. improving diagnostics and therapeutic accuracy and effectivity and 2. exploring neuro(modulation)-techniques in youth with mood disorders. Currently we study interventions for anhedonia f.e. based on Art Based Learning techniques and interoceptive awareness.
Since 2016 I am appointed as executive board member and theme leader Mental Health of the HEalthy Life In an Urban Setting (HELIUS)-study (www.helius.nl) for which we collaborate with different (inter)national research groups of diverse disciplines in translational psychiatry. The HELIUS Study is designed as a prospective cohort study, including six ethnic groups living in Amsterdam, The Netherlands. The general objective is to study the causes of the unequal burden of diseases across these ethnic groups. Together with a team, we work f.e. on machine learning models to predict who develop stress-related disorders over time and who are not in this multi-ethnic population in an urban context.
Parallel and complementary to my mentioned work, I am fascinated by Art and Creative processes that occur in real-time where idea generation and evaluation may occur in rapid succesion or simultaneously. One model behavior that is topic of interest and using neuroscience methods is musical improvisation within the style of jazz. Offering a complexity model to study spontaneous creativity under considerable temporal constraints. Currently I collaborate with an interdisciplinary experience-design collective-Polymorf- to create and stimulate Embodiment Intellegence. One of our granted projects is The Microbiome Restaurant, a multisensory XR dining, where users can explore their body as an intertwined ecology of lifeforms influencing the body's agency and autonomy and questioning the ownership and control of the human over its body.
Education/Academic qualification
Basiskwalificatie Onderwijs (BKO), Amsterdam UMC
Award Date: 18 Apr 2019
External positions
Associate PI, UvA, The Centre for Urban Mental Health, UvA, Amsterdam
Keywords
- QR180 Immunology
- R Medicine (General)
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Collaborations and top research areas from the last five years
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Esketamine in Youth with depression
Scheepens, D. (Staff) & Lok, A. (Principal investigator)
01/04/2025 → …
Project: Research
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Can AI systems improvise like jazz musicians? Exploring the possibilities through neurocognitive insights related to creativity and improvisation.
Lok, A. (Principal investigator), van Houten, H. (Other) & Sadakata, M. (CoPI)
04/11/2024 → …
Project: Research
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Anhedonia in Youth: comprehensive assesments and rehabilitative care with focus on Change and Identity
Lok, A. (Principal investigator), Bergfeld, I. (Principal investigator) & Overeem, J. (Staff)
03/06/2024 → …
Project: Research
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Posttraumatic Stress Disorder and the Microbiome
Lok, A. (Principal investigator), Korosi, A. (CoPI), Hemmings, S. M. (CoPI), Zantvoord, J. (CoPI) & Berendse, R. (Internal PhD candidate)
01/11/2023 → …
Project: Research
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Understanding and Targeting microbial patterns among adolescents with depression: using a complex systems approach in an urban environment.
Lok, A. (Principal investigator), Brul, S. (Principal investigator), Korosi, A. (CoPI), Korenblik, V. (Internal PhD candidate) & Bockting, C. (CoPI)
01/03/2022 → …
Project: Research
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Electrophysiological effects of deep brain stimulation in anorexia nervosa
Oudijn, M. S., Sargent, K., Lok, A., Schuurman, P. R., van den Munckhof, P., van Elburg, A. A., Mocking, R. J. T., Smit, D. J. A. & Denys, D., 1 May 2025, In: Journal of psychiatric research. 185, p. 57-66 10 p.Research output: Contribution to journal › Article › Academic › peer-review
Open Access -
On the edge of the social media landscape: associations with adolescent substance use and moderation by parental rules
Bozhar, H., de Rooij, S. R., Lok, A., Vrijkotte, T. & Larsen, H., 1 Mar 2025, In: Journal of Public Health. 47, 1, p. 90-98 9 p., 108124.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile -
A Multicenter Retrospective Chart Review on the Effectiveness and Tolerability of Electroconvulsive Therapy in Adolescents and Young Adults With Major Depressive Disorder or Bipolar Depression
Schukking, N., Scheepstra, K. W. F., Bergfeld, I. O., van Waarde, J. A., Tendolkar, I., Spaans, H.-P., Hegeman, A. J. M., Scheepens, D. S. & Lok, A., 1 Sept 2024, In: journal of ECT. 40, 3, p. 145-153 9 p.Research output: Contribution to journal › Article › Academic › peer-review
Open Access2 Citations (Scopus) -
Autonomic nervous system function before and after trauma-focused psychotherapy in youth with (partial) posttraumatic stress disorder
Zantvoord, J. B., Ensink, J. B. M., op den Kelder, R., Diehle, J., Lok, A. & Lindauer, R. J. L., 1 Apr 2024, In: Psychoneuroendocrinology. 162, 106945.Research output: Contribution to journal › Article › Academic › peer-review
Open Access1 Citation (Scopus) -
Exploring the mechanisms underlying increased risk of depressive disorder in ethnic minority populations in Europe: A causal loop diagram
van der Wal, J. M., Huth, K. B. S., Lok, A., Bockting, C. L., Stronks, K. & Nicolaou, M., 1 Jun 2024, In: Social Science and Medicine. 351, 116977.Research output: Contribution to journal › Article › Academic › peer-review
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Nederlands Veteranen Instituut (External organisation)
Lok, A. (Member)
1 Jun 2024 → 1 Jun 2028Activity: Membership › Membership of committee › Academic
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Relationship Between the Microbiome and Posttraumatic Stress Disorder: A Scope on Pre-Clinical and Human (intervention) Studies
Lok, A. (Speaker)
10 May 2024Activity: Talk or presentation › Oral presentation › Academic
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Mood Disorders in Youth: focus on anhedonia
Lok, A. (Speaker)
7 May 2024Activity: Talk or presentation › Invited talk › Academic
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Mental Health in migrants: An urban perspective
Lok, A. (Speaker)
11 Apr 2024Activity: Talk or presentation › Invited talk › Professional
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De Nederlandstalige Vereniging voor Psychotrauma (NtVP) (External organisation)
Lok, A. (Member)
2 Jan 2024 → 29 Feb 2024Activity: Membership › Membership of committee › Academic
Prizes
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First recipient of the European Certificate Psychotraumatology
Lok, A. (Recipient), 4 Jan 2009
Prize: Other distinction
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Make sense: sensitized brain circuits for rTMS-induced neuroplasticity
Lok, A. (Recipient), 5 Jul 2021
Prize › Academic
Press/Media
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Rijksmuseum Boerhaave Leiden. Tentoonstelling 2023-2024: Onvoorstelbaar
18/04/2023
1 Media contribution
Press/Media: Press / Media
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Het Parool: Groot Amsterdams onderzoek: etnische achtergrond speelt rol bij depressies, diabetes, hartkwalen
07/03/2023
1 Media contribution
Press/Media: Press / Media
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Janus: Het gedeprimeerde brein weer in balans brengen
01/03/2023
1 Media contribution
Press/Media: Press / Media
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Trouw: Bacteriën in de darmen beïnvloeden depressie, blijkt na dertig jaar onderzoek
10/12/2022
1 Media contribution
Press/Media: Press / Media