Combat Stress and PTSD | Matt Zefferman | Evolving Psychiatry Podcast #32

Combat Stress and PTSD | Matt Zefferman | Evolving Psychiatry Podcast #32

Why does severe trauma lead to PTSD? This episode considers work on combat stress and PTSD symptoms in Turkana warriors of North West Kenya, and how it relates to evolutionary explanations of PTSD symptoms.

Matt Zefferman is an Assistant Professor in the Department of Defense Analysis at the Naval Postgraduate School in Monterey, California.

He uses mathematical models and ethnographic field research to understand human culture, cooperation, and conflict – especially in the contexts of political organization and war.

He has also conducted ethnographic fieldwork with Turkana pastoralist warriors in northwest Kenya. They have a high degree of combat exposure – with about half of adult male mortality due to combat in cattle raids. Matt is interested in how Turkana organization for war has influenced their susceptibility to combat stress and moral injury. He has interviewed hundreds of warriors about their combat experiences, moral beliefs about warfare, combat stress symptoms, and moral injury.

Before starting as an assistant professor at NPS Matt was a Donald R. Beall Defense Fellow in his department. Before that he was a postdoctoral research fellow at ASU’s Institute of Human Origins and a member of the Adaptation, Behavior, Culture and Society research group in the School of Human Evolution and Social Change. Before that, he was a postdoctoral researcher at the National Institute for Mathematical and Biological Synthesis and, before that, earned his PhD at the University of California, Davis in the Cultural Evolution and Human Behavioral Ecology Labs.

Matt is also a US Air Force veteran with six years of service as a civil engineering officer with deployments to the UAE and Afghanistan.


Jaksot(55)

Contribute YOUR story! | Adam Hunt | Evolving Psychiatry Podcast #55

Contribute YOUR story! | Adam Hunt | Evolving Psychiatry Podcast #55

Stories matter. Sharing insights into our personal experiences can help shift attitudes, particularly when it comes to mental health and disorder. This episode, Adam asks the audience to contribute th...

14 Helmi 22min

Problems with Brains(cience) | Adam Hunt | Evolving Psychiatry Podcast Episode #54

Problems with Brains(cience) | Adam Hunt | Evolving Psychiatry Podcast Episode #54

Neuroscience is the flagship science of psychiatry, but hasn't led to the advances expected from it. In this episode, Adam discusses difficulties with neuroscience and possibilities for switching to a...

6 Helmi 55min

 'Just a theory'? | Adam Hunt | Evolving Psychiatry Podcast Episode #53

'Just a theory'? | Adam Hunt | Evolving Psychiatry Podcast Episode #53

Evolutionary theories are indeed... theories. But are they 'just' theories, in the derogatory sense? Or are they something more... In this episode Adam discusses this question.Dr Adam Hunt is a resear...

30 Tammi 27min

What IS Depression? | Daniel Nettle | Evolving Psychiatry Podcast #52

What IS Depression? | Daniel Nettle | Evolving Psychiatry Podcast #52

What different explanatory frameworks can make sense of depression? And what are their respective impacts?Daniel Nettle is a behavioural scientist whose work bridges psychology, evolution, and public ...

28 Loka 20251h 6min

Reconsidering ADHD | Annie Swanepoel | Evolving Psychiatry Podcast #51

Reconsidering ADHD | Annie Swanepoel | Evolving Psychiatry Podcast #51

Evolutionary perspectives on ADHD are often talked about: Annie Swanepoel shares how they affect her practice as a psychiatrist, and what evolutionary perspectives in general mean for the field.Dr Ann...

5 Loka 202535min

Depression's Function: Disengaging | Adam Hunt | Evolving Psychiatry Podcast #50

Depression's Function: Disengaging | Adam Hunt | Evolving Psychiatry Podcast #50

Why do we get depressed? Is depression really functional? In this episode, Adam discusses an overarching hypothesis which captures many existing evolutionary hypotheses: that depression's original fun...

25 Syys 202528min

Most Depression is Not a Disorder | James Turner | Evolving Psychiatry Podcast #49

Most Depression is Not a Disorder | James Turner | Evolving Psychiatry Podcast #49

Why does low mood, and at extreme, depression, exist? What is its function? James Turner is a postdoctoral researcher at Umeå University. He completed his PhD in Philosophy in 2024 at the University o...

17 Syys 20251h 14min

Evolutionary Explanations' Impact | Tom Carpenter | Evolving Psychiatry Podcast #48

Evolutionary Explanations' Impact | Tom Carpenter | Evolving Psychiatry Podcast #48

New results show that clinicians respond positively to evolutionary explanations of anxiety. In this episode, Adam and Tom discuss some of the findings of their study "Clinicians' attitudes to evoluti...

10 Syys 202547min

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