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Nijmegen
Joined December 2011
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New paper:
Hasselman, F., den Uil, L., Koordeman, R., De Looff, P., & Otten, R. (2023). The geometry of synchronization: quantifying the coupling direction of physiological signals of stress between individuals using inter-system recurrence networks
frontiersin.org/articles/10.…
1/5
Fred Hasselman retweeted
The first time machines mogged mathematicians? 1976.
Proof of the ‘Four Colour Problem’ is announced, the work was aided by computer. Mathematicians lost their minds.
“God wouldn’t let the theorem be proved by a method as terrible as that!” - Herbert Wilf, University of Pennsylvania
“the present proof relies in effect on an Oracle, and I say down with Oracles! They are not mathematics” … - Paul Halmos, UC Santa Barbara
“if the solution involves computer verification of special cases . . . such a solution does not belong to mathematical science at all.” - Frank Bonsall, University of Edinburgh
“Admitting the computer shenanigans of Appel and Haken to the ranks of mathematics would only leave us intellectually unfulfilled.” - Daniel Cohen, Hunter College NYC
“not only is no proof to be found in what they published, but there is not anything that even begins to look like a proof… …It is the most ridiculous case of ‘The King’s New Clothes’ that has ever disgraced the history of mathematics” - George Spencer-Brown, Cambridge University
Fred Hasselman retweeted
2026: The New York Times cites seriously academics who say AI might end the world
1881: The New York Times cites seriously academics who say telegraphy might end the world newsletter.pessimistsarchive…
Our recent study about Non-Random Patterns in Adverse Life Events is "groundbreaking" according to Science Magazine. Of course it is, first author and project lead was the amazing @KyraCEvers :
Non-Random Patterns in Adverse Life Events Uncovered scienmag.com/non-random-patt…
Fred Hasselman retweeted
Theory matters in psychological science — but where does theory in psychology currently stand?
We’re inviting psychological researchers for our survey to share their views on the state of theory.
Overview: doi.org/10.31234/osf.io/2fjx…
Survey: forms.gle/Ct4qq4a4raun9LSs5
Fred Hasselman retweeted
A massive discovery in neuroscience: fMRI signals don't always match true neural activity. In ~40% of cases, signals increased where activity actually decreased. This challenges the core assumptions of tens of thousands of studies.
#Neuroscience #fMRI #BrainResearch #CognitiveScience #MedicalResearch neurosciencenews.com/fmri-ne… via @neurosciencenew
New paper with Rineke Bossenbroek:
Lifelines of young people with a history in residential care: A qualitative investigation from a complex systems perspective sciencedirect.com/science/ar…
In which we identify patterns of change in life histories of adolescents in residential care.
Fred Hasselman retweeted
Quantum mechanics has gone from a theory in test to becoming the foundation of new technologies.
Learn more in a new #SciencePerspective that looks at the last 100 years of #QuantumMechanics: scim.ag/4aCrl6a
Interested in studying the individual dynamics of fatigue? Apply below before January 6th!
linkedin.com/posts/phdscanne…
Fred Hasselman retweeted
Happy to share the last preprint for my PhD project!
Analyzing Formal Dynamic Models in Psychology: A Tutorial Using Graphical Tools
with Dieta Wagenmakers, G. Sander van Doorn, @FredHasselman & @AnnaLichtwarck
doi.org/10.31234/osf.io/fhst…
Fred Hasselman retweeted
Philosophers who use Gödel's incompleteness theorem to make claims about "fundamental limits of human knowledge" have made a category error. It's about axiomatization, not epistemology. 1/
Fred Hasselman retweeted
New paper (lead by @CUI_Jingmeng) out now!
bmcpsychiatry.biomedcentral.…
A plea for more rigorous theoretical guidance in clinical Early WS studies:
1) must depart from a point attractor
2) EWSs appear before the critical transition
3) EWS variables align with system destabilization
Fred Hasselman retweeted
It must be some kind of holliday, another paper (also lead by @CUI_Jingmeng) out now!
This one is all bout the kind(s) of tipping we could be observing in clinical time series data!
doi.org/10.1037/abn0000991
It must be some kind of holliday, another paper (also lead by @CUI_Jingmeng) out now!
This one is all bout the kind(s) of tipping we could be observing in clinical time series data!
doi.org/10.1037/abn0000991
New paper (lead by @CUI_Jingmeng) out now!
bmcpsychiatry.biomedcentral.…
A plea for more rigorous theoretical guidance in clinical Early WS studies:
1) must depart from a point attractor
2) EWSs appear before the critical transition
3) EWS variables align with system destabilization
My colleague has a post-doc position available on Adolescent Socio-Emotional Development & Well-Being (analysis of longitudinal and EMA data):
ru.nl/en/working-at/job-oppo…
Ik weet niet precies welke wanden @MichaWertheim gisteren heeft doorbroken in Nijmegen, maar ik werd vanochtend dus zwetend wakker op de tribune in cultuurhuis De Lindenberg.
Fred Hasselman retweeted
Mathematical modeling of social dynamics. The topic is exciting but also hard to publish in.
Here's an opportunity to showcase some your work, mdpi.com/journal/entropy/spe…. I'm sure there will be interesting papers in this issue.
Fred Hasselman retweeted
Now published online in Qualitative Psychology!🎉 Our argument for #qualitative and #mixedmethods research as powerful means to validate the meaningfulness of idiographic assessment aimed at personalized care.
psycnet.apa.org/doiLanding?d…
Full text here 👇 researchgate.net/publication…
