Comments on: The Story Behind the Atlantic Salmon

By: Diane Erwin

Diane Erwin — Sat, 16 Jul 2011 01:47:12 +0000

Ah, you’ve found the Salmon of Knowledge

By: Crystal

Crystal — Sat, 07 May 2011 05:54:23 +0000

Well, because it hasn’t been asked yet (and I’m quite surprised it hasn’t);

You neglected to tell us. Was the fish delicious? :)

By: Something fishy with MRI scans «

Something fishy with MRI scans « — Fri, 07 Jan 2011 22:41:30 +0000

[...] fishy with MRI scans By dwighttowers This article (via the brainiac Cosma Shalizi), is hilarious, from a postdoc who will probably now be known as [...]

By: The new Twinkie defence: abuse and misuse of fMRI's and science, and using the label psychopath as an excuse - blog by Gurdur - Blogs on the Heathen Hub

Tue, 06 Jul 2010 14:27:45 +0000

[...] of the brain. There are many complex difficulties in interpreting fMRI scan data, as for example when researchers ran fMRI scans on a dead salmon fish, and discovered false positives. In 1985, Brian Dugan, who was already in prison for the murder of a 27-year-old woman and the [...]

By: Dead Salmon “haunts” fMRI data « brainfrontiers

Dead Salmon “haunts” fMRI data « brainfrontiers — Sun, 11 Apr 2010 04:30:25 +0000

[...] search for behavior-related activation can begin. Case in point is this wonderful story found here about an Atlantic Salmon that despite being dead appeared to show brain activity in it’s [...]

By: laci

laci — Thu, 18 Mar 2010 17:12:14 +0000

love salmon very much. we raised salmon in are class

By: Law and Biosciences Blog | What a dead salmon reminds us about fMRI analysis

Mon, 08 Feb 2010 06:14:39 +0000

[...] author Craig Bennett explains further on his blog: In early 2008 I was working with my co-adviser George Wolford on a presentation he was giving [...]

By: Lingoland » Arkiv » Post-mortem mentalization processes in the Atlantic Salmon

Thu, 14 Jan 2010 17:50:13 +0000

[...] be careful when drawing conclusions from fMRI scans. The salmon scans (poster) and the story behind it. Skrevet af Anders K. Madsen | Ingen kommentarer Emneord: fMRI, kognition, MRI, [...]

By: fMRI of dead salmon: how not to do science « Science Notes

fMRI of dead salmon: how not to do science « Science Notes — Thu, 22 Oct 2009 11:43:59 +0000

[...] read “The story behind the Atlantic salmon.” Posted in humor, science. Tags: scientific method. Leave a Comment [...]

By: P. Jennings

P. Jennings — Fri, 09 Oct 2009 05:59:57 +0000

Salmon navigate, right? How do they do that? Sense of smell when that works – close to land. Or by magnetism, when out at sea.

There are magnetic particles in the lateral line:

>Magnetization measurements with a superconducting quantum >inference device magnetometer of various tissues of the >Atlantic salmon (Salmo salar L.) have shown the presence >of magnetic material associated with the lateral line. The >data suggest that the material is magnetite and of a size >suitable for magnetoreception. Magnetic particles were >isolated from the lateral line and nerve …
– Magnetic Particles in the Lateral Line of the Atlantic Salmon (Salmo salar L.) A. Moore, et al.

Have to wonder if there are also such particles in their brains? Enough to cause a change (even in a dead salmon) if exposed to fMRI?

There may very well be some magnetic particles in their brain. Also, I cannot discount that there may be some interaction of these particles with the scanner’s magnetic field. However, I do not believe that this effect would explain the repetitive rise and fall in the signal needed for the voxels to be considered significant. It is likely that voxels with such particles would have a relatively stable signal or a signal that slowly drifts over time – trends that are removed during image processing of the data. ~ Craig [Prefrontal]

By: marcoilbiondo

marcoilbiondo — Fri, 02 Oct 2009 09:40:09 +0000

interesting, but could it be just a new exemple of cryptobiose (like tardigrada), so the salmon should be just a little alive (only the brain awaked, like a computer switch off but ready to start) !!

Freezing is knowing to conserve life, and salmons are not killed before freeze, are they ?

To live with him in the the future, just reed before the Umberto Eco novel : “how to travel with a salmon”, a funny story.

Sorry for my bad english

By: jim

jim — Mon, 28 Sep 2009 19:42:43 +0000

I saw something similar to this in the mid-1990′s. I think that it also showed that imaging found brain activity or spinal activity in a dead fish. I’m not 100% sure, nor am I sure where it was (I’m a molecular biologist, not an imager), but it was probably somewhere on the web – a site that someone alerted me to.

By: Personality Pedagogy Newsletter Volume 4, Number 1, Sept, 2009 « Personality Pedagogy Blog

Mon, 28 Sep 2009 18:30:17 +0000

[...] parts of the brain of a dead salmon responds to human emotion. See also the Story Behind the Salmon here and the pdf of the study [...]

By: Justin Marley

Justin Marley — Sun, 27 Sep 2009 08:49:30 +0000

Hi (?) Craig,
Didn’t realise it was your poster until just now. Nice one. Very cheeky. Just reviewed it in a bit more detail over here.

http://theamazingworldofpsychiatry.wordpress.com/2009/09/27/news-round-up-september-2009-4th-edition/

Is there any chance the highlighted areas could be the substantia nigra – as it’s relevant to a recent PNAS paper

http://www.pubmedcentral.nih.gov/picrender.fcgi?artid=2732704&blobtype=pdf

Regards
Justin

Justin -I enjoyed your article, and made a more lengthy comment there. Briefly, I will just say that I do not know if the dorsal spinal region is close to the salmon substantia nigra. Unfortunately my years of human neuroanatomy do not transfer that well to the brain of a fish! ~ Craig [Prefrontal]

By: Nick

Nick — Fri, 25 Sep 2009 21:39:50 +0000

Reminds me of the push-back over the paper by Vul et al. that you can find at (http://www.edvul.com/voodoocorr.php) — there will always be resistance to these kinds of corrections, and I think they always come in the peer review process because it’s fairly anonymous, and someone who uses questionable methods can defend them without being forced to make an argument in their defense.

Which would be hard, because so much of behavioral neuroscience is a recapitulation of just-so-stories from sociobiology, correlated by questionable methods and data.

Long story short: way to go. You’re not the ‘fish guys’, you’re the ‘good guys’.

Nick
publicoption.blogspot.com