Monthly archives: January, 2026

Brodmann was right. Structure and function inform each other.

I saw this post, with this quote: “High-resolution activity maps of PFC did NOT align with cytoarchitecturally defined subregions.” Is this a profound, provocative finding that provides strong evidence for the irrelevance of cytoarchitecture?



Problems with system comparisons

When you publish a paper on a new imaging system, people often want to compare figures of merit. Field-of-view, resolution, speed, etc. They want to know in what ways your system…



It is Snel’s law, not Snell’s law, and actually really Sahl’s law

Maybe you learned that his name was Snell. It wasn’t.

Let me back up. Electromagnetic waves propagate at about 3 x 10^8 meters per second in vacuum. We often call that number “c“. When those waves have frequencies around 400 – 800 terahertz, we call them visible light.

When those waves go through materials like glass,…



Free debunking handbook

This handbook is available for free online. Here’s the link.

There is much evidence that updates to factual beliefs, even if successful, may not translate into attitude or behaviour change….



“Listen to me. I’m unconvincing.” -someone

There are always people who complain loudly that they are unconvincing. They won’t say it that way, though.

Instead, they might blame suppression of speech, or a conspiracy, or people being paid-off, or…