Eiko Fried blog

A simulation study showing that psychopathology structure changes with clinical severity Read the post

Some ideas on improving conferences so they are worth the financial, time, and ecological investments.

If you share one single thing from our team in 2026—on social media or per email with your colleagues—please let it be this machine learning competition .

In a recent interview with Zhixian Lian from the Chinese Social Sciences Today (CSST), I was asked a number of questions about the value of exploratory research.

Two days ago, five Dutch universities announced discontinuing their English-speaking psychology bachelor programs ( 1 , 2 , 3 ).

"We are all subject to the fates.

We just published a new paper in JoPACS on the importance of socio-environmental causes of psychopathology ( PDF ), with the brilliant Merlijn Olthof and Anna Lichtwarck-Aschoff ...

I also wanted to make a name for myself in the competitive field of alphabet factoring in psychology.

When I talk to friends or family members who do not work in academia, they have beliefs about how science works — beliefs that appear entirely sensible.

This is a brief commentary by Orestis Zavlis (Psychology and Language Sciences, University College London, United King) and me on the recent PNAS paper entitled "Impulsivity is a...

A short blog post for a change, with the goal to preempt expected hype around what is basically a null-finding: Nature Medicine just published a new paper on using Ketamine for...

As result of a commentary we wrote, Jama Psychiatry recently published a correction of a serious error in a 2023 paper on treating bipolar depression with psilocybin (together...

I just saw that the Daws et al. 2022 paper that was heavily discussed in 2022 and 2023 is still online, and Nature Medicine neither published criticism that has been raised, nor...

I co-wrote this piece with the fantastic Margarita Panayiotou , Senior Lecturer at the University of Manchester who's work focuses on psychometrics, measurement, social media &...

A month ago, I wrote about things that bum me out in academia, and some antidotes against cynicism creep .

A new paper published today in Lancet Psychiatry , led by Christopher Veal, reports findings from a systemic review of 450 clinical trials for unipolar and bipolar depression.

This is one of these blog posts that doesn't read well if you stop halfway.

A new paper was published yesterday on a blood test for schizophrenia, by the same research team that in 2021 published a paper on a blood test for depression .

A new interesting paper was published 2 weeks ago on depression and temperature.

(Note: I wrote up this blog as a commentary, which is now published in the same journal as response to the editorial.

Mental health problems are comorbid, which means that they are positively intercorrelated and don't tend to occur in isolation.

I have been playing around with GPT-3 and its chatbot in previous weeks, and found it fascinating.

There has been a 60 year long discussion on the role of the neurotransmitter serotonin in the pathophysiology of depression.

It's been a while since I wrote a blog post on a new paper, but the recently published paper of Jill de Ron et al. investigates limitations of network models discussed for a good...

In December 2021, Robin Kok wrote a series of tweets about his Elsevier data access request.

About a year ago, the Association for Psychological Science awarded me with the Janet Taylor Spence Award for transformative early career contributions to psychological science...

Update, 02/2024: We have now published the paper " History repeating: guidelines to address common problems in psychedelic science " on this topic, in part based on this blog post...

We just finished collecting the first cohort of the WARN-D study , our ambitious effort to create a personalized early warning system for depression.

For our new WARN-D research project on building a personalized early warning system for depression, I recently looked into openly available, transdiagnostic, self-report mental...

Young Academy Leiden challenged its members—including yours truly—to make a video about an upcoming research project, with two constraints.

What is a good theory, and what is a bad one?

Led by the first author Kaat Hebbrecht , we published an open access paper a few days ago on "Understanding personalized dynamics to inform precision medicine: a dynamic time warp...

Our team led by the brilliant Astrid Chevance just published a new paper, entitled "Identifying outcomes for depression that matter to patients, informal caregivers and healthcare...

The goal of this blog post is to summarize our recent study on COVID-19 and student mental health, and do a bit of science translation of our core findings.

On December 24th 2019, I received a legal threat by the American Psychological Association to remove one of my papers from my personal website.

A new study on candidate genes for depression was just published in the American Journal of Psychiatry by Border et al , entitled "No Support for Historical Candidate Gene or...

I haven't written blog posts about individual new papers in over a year, but this one is a milestone I'm really proud of: Our new network paper on social media and well-being was...

This blog post is the result of a collaboration between Dr Lucy Robinson ( Twitter , email ) & me .

In this blog, I first describe the formal complaint of Dr James Coyne against me, launched a week after my blog post about tone on social media in August 2017.

In our Clinical Psychology group in Leiden, we have the tradition to share new papers, accepted grant proposal, and other achievements in emails called "Paper of the Week", "Grant...

We wrote up the core arguments and calculations of this blog post as an article for Lancet Psychiatry.

Robert Sternberg, editor-in-chief of Perspectives on Psychological Science (PoPS), published 7 papers in PoPS in the last 2 years.

TL;DR: this post explains the basics of academic publishing; highlights several severe problems; discusses the recent activities of the American Psychology Association (APA)...

Three brief personal updates.

Summary: Mental disorders are commonly defined as "brain disorders" in the literature.

A few days ago, Richard Morey started a discussion on Twitter arguing that small samples are not inherently problematic.

Working between disciplines is exciting, and I wouldn't want to have it any other way.

TL;DR : The tone-police police on social media must take responsibility for silencing early career folks in psychological science debates on social media.

A few months ago, we published a new paper Fried, E.

Imagine you are a group of scientists and want to find out whether a novel drug X works on a specific problem Y.