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Koen Raijer

Writes about mind-stuff and technology

Psychiatry resident s-Hertogenbosch

Busy

Slowing down, connecting, resting, tinkering.

Writing

Tinkering with the PineTime smartwatch

4 min read •
Essay

Digitale Soevereiniteit

Ik werd mijn eigen clouddienst met enkel gratis open-source software. Hoe ik mezelf loskoppelde van Amerikaanse techreuzen in 2026.

6158 words • 25 min read

Thoughts on falsificationism

4 min read •

arXivCollector

2 min read •
Essay

Visualization of network theory for mental disorders

Introduction to a network-based view on psychopathology inspired by Eiko Fried.

3665 words • 15 min read

Recensie: Het duizend eilanden experiment

4 min read •

From Pocketbook notes to markdown

10 min read •
Essay

Guide on automating your literature review in 2025

A practical guide to conducting literature reviews in 2025, showing how to use PRISMA, OSF, ASReview, Zotero, and Google Drive to streamline research workflows. Learn how to handle everything from preregistration and search strategies to automated screening and data extraction, with tips for reducing errors and maintaining quality. Written for researchers working on systematic or scoping reviews, with detailed setup instructions and real examples from firsthand experience.

5303 words • 22 min read

DIY Anki Remote for iPhone

2 min read •

Practical Weight Training Guide

11 min read •
Essay

Self-experimenting with experience sampling

I tracked my emotions using the circumplex model of affect for three months, multiple times a day. In this post, I will share how I chose the right tool for the job, what questions I asked myself and why, challenges I encountered, and potential improvements I discovered.

4161 words • 17 min read

Zotero-Obsidian Quick Copy

3 min read •

Three Months in a South African Public Hospital

5 min read •

Motivational Interviewing

4 min read •

Zijn alle zwarte scenario's gelijk?

3 min read •

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Connect

Email at contact.koenraijer@pm.me@.

Not intended for (former) client/patient matters.