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\title{I'm Gregory Berns, a neuroscientist at Emory University. I'm here to
talk about my work to understand how dogs and other animals think. AMA!}



\author[1]{Gregory_Berns }%
\author[1]{r/Science AMAs}%
\affil[1]{Affiliation not available}%


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  \date{April 24, 2026}


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\begin{abstract}
Hi, Reddit! I started out with a medical career in psychiatry but then
shifted my focus to studying the cognition of dogs --- man's oldest and
best friends. Five years ago, my lab became the first to train awake,
alert dogs to voluntarily enter an fMRI scanner so that we could capture
actual canine thought processes. We have since conducted studies such as
how dogs react to praise from their owners versus food, how capable dogs
are of self-restraint and what's going on in a dog's brain when it
smells the scent of its owner. I want to understand the dog-human
relationship, from the dog's perspective. I have a new book, ``What It's
Like to Be a Dog: And Other Adventures in Neuroscience,'' published by
Basic Books. It describes my canine-cognition research, as well as a
project called the Brain Ark. I am using diffusion tensor imaging (DTI)
to study the brains of a range of mammals after they have died. Many
megafauna are in danger of extinction, and the Brain Ark is an attempt
to catalog and study the brains of as many species as possible before
they are gone. I've mapped the neural networks of dolphins, the
Tasmanian devil and --- using brain specimens from museum collections
--- the extinct Tasmanian tiger, AKA the thylacine. I'll be back at 12
pm ET to answer your questions, ask me anything! Here are links to my
web sites: http://www.neuropolicy.emory.edu/ http://gregoryberns.com
http://brainark.org And are links to recent interviews I did:
https://www.nytimes.com/2017/09/08/science/gregory-berns-dogs-brains.html?smprod=nytcore-ipad\&smid=nytcore-ipad-share
http://esciencecommons.blogspot.com/2017/09/whats-it-like-to-be-dog-cognition.html%
\end{abstract}%



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