How the threat of disease has shaped human behavior, with Mark Schaller, PhD

How the threat of disease has shaped human behavior, with Mark Schaller, PhD

The COVID-19 pandemic is a grim reminder that infectious diseases have been a danger throughout human history–so much so that the threat of infection has actually helped shape human evolution. Disgust, wariness of strangers, cultural norms around food and cleanliness–all of these behaviors may have evolved at least in part to keep us safe from infectious disease. Researchers call this suite of protective mechanisms the behavioral immune system. University of British Columbia psychologist Mark Schaller, PhD, who coined that phrase, discusses the origins of the behavioral immune system and how behaviors that evolved to protect us from diseases may not be suitable for the threats we face today. We’d love to know what you think of Speaking of Psychology, what you would change about it, and what you’d like to hear more of. Please take our listener survey, visit www.apa.org/podcastsurvey. Links Mark Schaller, PhD Music Minimalist Piano w/ Cello by tyops via Freesound.org Freesound.org Learn more about your ad choices. Visit megaphone.fm/adchoices

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Invisible scars: Recognizing and treating medical trauma, with James C. Jackson, PsyD

Invisible scars: Recognizing and treating medical trauma, with James C. Jackson, PsyD

Every year, millions of people go through harrowing medical experiences, from a stay in the ICU to a difficult childbirth to the frustration of dealing with chronic pain. These experiences can leave s...

22 Apr 37min

Tip or skip? What drives our tipping behavior, with Michael Lynn, PhD

Tip or skip? What drives our tipping behavior, with Michael Lynn, PhD

Tipping has long been a part of service culture in the U.S., but in the last few years, the number of places where we're asked to tip has multiplied. Social psychologist and tipping researcher Michael...

15 Apr 26min

The psychology of spending, debt and budgeting, with Abigail Sussman, PhD

The psychology of spending, debt and budgeting, with Abigail Sussman, PhD

Buy now, pay later plans have skyrocketed in popularity in recent years, adding yet another variable to consider when making spending decisions. Abigail Sussman, PhD, discusses the psychological bias...

8 Apr 34min

Why babies laugh, with Gina Mireault, PhD

Why babies laugh, with Gina Mireault, PhD

Before babies have the words to tell us what they're thinking, they can laugh. Developmental psychologist Gina Mireault, PhD, explains how she sets up a “baby comedy club” in her lab; what babies find...

1 Apr 29min

How accurate are our first impressions? With Nicholas Rule, PhD

How accurate are our first impressions? With Nicholas Rule, PhD

How much can you really tell about someone at first glance? Nicholas Rule, PhD, of the University of Toronto, talks about the science of first impressions: How your brain starts making judgments about...

25 Mars 36min

Understanding Tourette disorder and other tic disorders, with John Piacentini, PhD

Understanding Tourette disorder and other tic disorders, with John Piacentini, PhD

Tourette disorder and other tic disorders affect millions of people yet remain widely misunderstood. John Piacentini, PhD, director of the UCLA Child OCD, Anxiety, and Tic Disorders Clinic, explains t...

18 Mars 35min

How to become more patient, with Sarah Schnitker, PhD

How to become more patient, with Sarah Schnitker, PhD

Life is full of situations -- and people -- that try our patience, from a standstill traffic jam to an obstinate preschooler who won’t put on her shoes. Sarah Schnitker, PhD, talks about why patience ...

11 Mars 35min

Incentivizing recovery: Why contingency management works to treat addiction, with Lara Coughlin, PhD, and Michael McDonell, PhD

Incentivizing recovery: Why contingency management works to treat addiction, with Lara Coughlin, PhD, and Michael McDonell, PhD

More than half of drug overdose deaths in the U.S. involve stimulants like methamphetamine and cocaine. There are no medications to treat stimulant addiction, but there is a behavioral treatment that ...

4 Mars 45min

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