Marc Wittmann's Avatar

Marc Wittmann

@marcwittmann

Psychologist at the Institute for Frontier Areas of Psychology and Mental Health in Freiburg. Time perception in ordinary and altered states of consciousness. MIT Press book author: 'Felt Time' and 'Altered States of Consciousness'.

701
Followers
138
Following
92
Posts
01.12.2023
Joined
Posts Following

Latest posts by Marc Wittmann @marcwittmann

Preview
SensingTime2026 The Shaping a World-class University program of University of Padova and TRF collaborated in the organization of the 2nd TRF training school that took place during the 6th and 10th of July 2026 in Pad...

Last few days for registering for SENSING TIME, the @timingresforum.bsky.social 2nd Summer School for Master’s students and early-stage PhD researchers, in Padua 6th-10th of July 2026 sites.google.com/view/sensing...

12.03.2026 14:03 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
Special Issue: Investigating Extra-Sensory Experiences and Consciousness through Qualitative Research Explore Extra-Sensory Experiences and Consciousness: Submit your work to this qualitative enquiry into the extra-sensory dimensions of human experience

Our Special Issue on Investigating Extra-Sensory Experiences & Consciousness through Qualitative Research, edited by @donnamthomas.bsky.social and me. We welcome qualitative studies exploring this under-researched area for an understanding of consciousness think.taylorandfrancis.com/special_issu...

10.03.2026 11:33 πŸ‘ 3 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

Next in our series on the most boring task ever in psychology: impulsive individuals feel more boredom while waitingβ€”and it makes time feel slower: brill.com/view/journal...

08.03.2026 10:30 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Justin Feinstein, PhD: "A decade of research exploring Floatation-REST as a non-pharmacological intervention for stress and anxiety-related disorders" - IGPP Institut fΓΌr Grenzgebiete der Psychologie ...

Tuesday, 3.3.2026, at 3.15 pm CET, Dr. Justin Feinstein, President and Director of Float Research Collective gives a talk at the @igpp.bsky.social Freiburg. Stop by at the institute or join via zoom by requesting an email link here: igpp.de/en/justin-fe...

02.03.2026 14:20 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
OSF

New preprint out: @donnamthomas.bsky.social and me exploring phenomenal parallels between exceptional experiences in childhood and altered states of consciousness in adults, based on the 8-dimensions approach bei Fort et al: www.sciencedirect.com/science/arti...
The preprint:
osf.io/preprints/ps...

12.02.2026 16:34 πŸ‘ 3 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
Preview
Perspectives on Time and Personality: Philip G. Zimbardo (1934–2024) in Memoriam The present paper aims to honor the memory of one of the most notable figures in psychological science over the past five decades, Philip G. Zimbardo, who sadly passed away in late 2024. To this end,...

In the words of Maciej Stolarski, the initiator of this in memoriam article dedicated to Philip G. Zimbardo: "I am happy - and deeply moved - to share our newly published tribute paper honoring Phil, which in many ways feels like our final goodbye to him": onlinelibrary.wiley.com/doi/10.1111/...

08.02.2026 14:33 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Special Issue: Investigating Extra-Sensory Experiences and Consciousness through Qualitative Research Explore Extra-Sensory Experiences and Consciousness: Submit your work to this qualitative enquiry into the extra-sensory dimensions of human experience

Call for Papers !

Submit your article to the Journal Qualitative Research in Psychology for a Special Issue on: Investigating Extra-Sensory Experiences and Consciousness through Qualitative Research
Co-Guest Editor: @marcwittmann.bsky.social
#ConsciousnessResearch
shorturl.at/VYKFF

07.01.2026 14:16 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
Post image

An anniversary! Four years of #Floatation-REST @igpp.bsky.social research with the Floataway.com cabin at Prana Freiburg: 2 doctoral theses, 2 master's theses, 2 third-party funding acquisitions, 3 publications, and here the lastest preprint: www.researchsquare.com/article/rs-7...

22.01.2026 11:34 πŸ‘ 7 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
Wie wir die Zeit erleben: Das leibliche Selbst, verΓ€nderte BewusstseinszustΓ€nde, anomale PhΓ€nomene
Wie wir die Zeit erleben: Das leibliche Selbst, verΓ€nderte BewusstseinszustΓ€nde, anomale PhΓ€nomene YouTube video by IGPP Freiburg

Im Rahmen der Vortragsreihe zu 75 Jahre
Grenzgebietsforschung am @igpp.bsky.social am 18.11.2025 in Freiburg in der UniversitΓ€tsbibliothek mein Vortrag: "Wie wir die Zeit erleben: Das leibliche Selbst, verΓ€nderte BewusstseinszustΓ€nde, anomale PhΓ€nomene" youtu.be/A_vhCAu1RwI?...

16.01.2026 23:06 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Special Issue: Investigating Extra-Sensory Experiences and Consciousness through Qualitative Research Explore Extra-Sensory Experiences and Consciousness: Submit your work to this qualitative enquiry into the extra-sensory dimensions of human experience

think.taylorandfrancis.com/special_issu...
@marcwittmann.bsky.social

Call for papers for this special issue 'Investigating Extra-Sensory Experiences and Consciousness through Qualitative Research

07.01.2026 08:45 πŸ‘ 6 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
Post image

The @springernature.com book "The Bodily Self, Emotion, and Subjective Time: Exploring Interoception through the Contributions of A.D. (Bud) Craig" is out: 22 authors, 16 chapters. Neurobiology, Psychology, Psychiatry, Neuroimaging, Musicology, Philosophy, ... link.springer.com/book/10.1007...

06.12.2025 16:34 πŸ‘ 30 πŸ” 14 πŸ’¬ 3 πŸ“Œ 2
THE MIND THE MIND Bulletin of Mind-Body Medicine Research is published by the Mind-Body Medicine Research Council, which has been founded by George Stefano, Ph.D., and Tobias Esch, M.D., in 2022. Find all issu...

A sketch of an idea to a theory of why altered states of consciousness as induced through psychedelics, meditation, and Floatation-REST have therapeutic potential for alleviating psychiatric conditions.
www.the-mind.org/the-mind/iss...

23.11.2025 11:16 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 1
Preview
The Real Reason the Last Decade of Our Life Seems to Fly By Our new study shows why time feels like it speeds up with age. The good news: Older adults cherish and recall their meaningful experiences more vividly than the younger do.

The Real Reason the Last Decade of Our Life Seems to Fly By. My Psychology Today blog on our latest empirical discovery with Alice Teghil as to why time speeds up as we grow older. It is not related to autobiographical memory but to cognitve decline. www.psychologytoday.com/us/blog/sens...

15.11.2025 17:52 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
The micro-phenomenology of Floatation-REST This micro-phenomenological study examines altered states of consciousness (ASC) during Floatation-REST, a sensory isolation method where individuals lie in a tank filled with Epsom salt-saturated wat...

The very first micro-phenomenological study on experience during Floatation-REST from my lab at @igpp.bsky.social
revealing the dynamics of how individuals enter into altered states of consciousness. Part 2 of Helena Hruby's doctoral thesis:
www.researchsquare.com/article/rs-7...

14.11.2025 10:30 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
Preview
The Bodily Self, Emotion, and Subjective Time This book provides a comprehensive exploration of the interplay between the bodily self, emotion, and subjective time perception and consciousness.

On November 26 our @SpringerNature book in commemoration of Bud (A.D.) Craig's legacy is out. See TOC with 14 contributions on the insular cortex, bodily self, emotion, psychiatric disorders, epilepsy, pain, mindfulness, touch, music, and subjective time. link.springer.com/book/10.1007...

28.10.2025 07:42 πŸ‘ 11 πŸ” 6 πŸ’¬ 1 πŸ“Œ 0
Preview
Reinterpreting the Einstein-Bergson Debate through Contemporary Neuroscience Reinterpreting the Einstein-Bergson Debate through Contemporary Neuroscience was published in Einstein vs. Bergson on page 349.

Together with Carlos Montemayor we wrote a book chapter on the Einstein-Bergson debate:
www.degruyterbrill.com/document/doi...

14.10.2025 12:18 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Preview
How the body and brain process time Recent evidence from two independent meta-analyses reveals that subjective time is processed in the insular cortex alongside the supplementary motor a…

The two main hubs in the brain for the processing of human time perception have been identified: SMA and Insula. Here Alice Teghil from Sapienza UniversitΓ  di Roma and I provide the conceptual background in our review on 'How the body and brain process time'. www.sciencedirect.com/science/arti...

14.10.2025 08:23 πŸ‘ 32 πŸ” 11 πŸ’¬ 2 πŸ“Œ 0
Subjective Time and Body-Self During Altered States of Consciousness: New Evidence
Subjective Time and Body-Self During Altered States of Consciousness: New Evidence YouTube video by MIND Foundation

Now and newly online available, my talk at the INSIGHT 2023 conference of the MIND Foundation in Berlin: "Subjective Time and Body-Self During Altered States of Consciousness: New Evidence". www.youtube.com/watch?v=vcyH...

13.10.2025 16:57 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Dr. Marc Wittmann, Subjective Time and Self in Altered States: Exploring Floatation-REST
Dr. Marc Wittmann, Subjective Time and Self in Altered States: Exploring Floatation-REST YouTube video by ESI Frankfurt

My talk at the ESI Systems Neuroscience Conference (ESISyNC) 2025 on "Subjective Time and Self in Altered States: Exploring Floatation-REST", Frankfurt, 9.9.2025, to be found here on Youtube: www.youtube.com/watch?v=phDq...

30.09.2025 07:52 πŸ‘ 7 πŸ” 4 πŸ’¬ 1 πŸ“Œ 0
Preview
Alle Veranstaltungen Alle Veranstaltungen in ZΓΌrich und der Region.

Zeit, Raum, Welt und Ich? Photobastei 2.0, ZΓΌrich, 29.10.2025, 19:00 - 21:00 Uhr: Eine Diskussion zu psychedelischen Erfahrungen und Bewusstsein mit Susanne Schmetkamp, Kurt Stocker, Marc Wittmann
www.zuerich.com/de/events-na...

25.09.2025 18:58 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Yes, me too! Give us a clue!

19.09.2025 09:53 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Me too! Give us a hint!

19.09.2025 09:40 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Boredom on many levels of inquiry: as body feelings, subjective slowing down of time, and related insular cortex activity. Review out by @wanjawolff.bsky.social and team.

19.09.2025 08:53 πŸ‘ 7 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
Post image

Herzliche Einladung zu unserer Vortragsreihe
β€ž75 Jahre Grenzgebietsforschung in Freiburgβ€œ

Am 16. September gehtβ€˜s los. Online-Teilnahme mΓΆglich. Weitere Informationen unter:
igpp.de/vorlesungsre...

12.09.2025 08:54 πŸ‘ 3 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0

More news on interoception and time perception!

23.08.2025 08:48 πŸ‘ 5 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
OSF

A fascinating case of falsification of our strong and convincing hypothesis with lead author Alice Teghil: Memory encoding for new information, not autobiographical memory load, predicts age-related acceleration in subjective time passage over the last decade osf.io/preprints/ps...

18.08.2025 17:48 πŸ‘ 5 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
Preview
Silence, darkness, and gravity: A qualitative analysis of individual experiences during Floatation-REST Background: In Floatation-REST (Reduced Environmental Stimulation Therapy), an individual lies on the surface of highly saline water in a dark and silent environment. Prior research on Floatation-REST...

Our first qualitative methods article in the @degruyterbrill.bsky.social journal Spiritual Care on "Silence, darkness, and gravity: A qualitative analysis of individual experiences during Floatation-REST" now available: www.degruyterbrill.com/document/doi...

12.08.2025 10:27 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
OSF

The TIMED project www.timed-europe.net reveals: The more we live in the online world, and the more we enjoy and benefit from that immersion, the more quickly life seems to speed by. The good news? This effect is relatively smallβ€”but measurable: osf.io/preprints/ps...

02.08.2025 13:57 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
OSF

How do the body and brain process time? Evidence from neuroimaging, neurophysiological, electrophysiological, and patient-based studies suggest that time perception is grounded in interoceptive (insula) and sensorimotor processing (SMA). Preprint with Alice Teghil osf.io/preprints/ps...

28.07.2025 17:00 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Anomalies, Demarcation, and Discovery:
Toward Constructive Engagement with Frontier Science
Lecture by Florian Metzler, PhD
#IGPPKolloquium 29.07.25, 15:15 (CET) live or via zoom
Register here: www.igpp.de/allg/kolloqu...

28.07.2025 08:15 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0