# Debra Lieberman

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#105 - Dr. Debra Lieberman: How Evolution Built Your Brain's Hidden Apps - Professor of Evolutionary Psychology, University of Miami

Dr. Debra Lieberman is a Professor of Psychology at the University of Miami, co-director of the Evolution and Human Behaviour Laboratory, and Editor-in-Chief of the journal Evolution and Human Behaviour. She holds a BS in Biochemistry from SUNY Binghamton and a PhD in Psychology from UC Santa Barba…

Narcissism Is Genetic. Evolution Confirms It. Peter Salerno & Deb Lieberman

Dr. Peter Salerno, Dr. Debra Lieberman, and Brad Carr discuss the genetic and evolutionary roots of human behavior, especially in relation to dark traits like psychopathy and narcissism. This conversation explores how biology, environment, and social factors influence personality, and how understan…

Why Does Your Brain Say ‘No’ to Family Sex? - Dr Debra Lieberman

How do we know who are closest genetic relatives are and why is it important? Dr. Debra Lieberman is an evolutionary psychologist, who explains how our brains are hardwired to prevent inbreeding a pattern seen across humans and the animal kingdom. She breaks down the science behind kin detection, h…

#266: Why You Feel Shame (Evolutionary Psychologist Explains) - Debra Lieberman

Why do we feel shame? Why does guilt hit so deeply? And why do some people seem to carry these emotions far more intensely than others? In this episode, I’m joined by Dr. Debra Lieberman — evolutionary psychologist, professor at the University of Miami, and Editor-in-Chief of Evolution and Human Be…

What Destroys Relationships Over Time, with Debra Lieberman

I sit down with Debra Lieberman to explore the deeper psychological patterns that shape our relationships. We unpack why people unknowingly sabotage love, how unconscious behaviors influence attraction, and what drives conflict beneath the surface. Debra brings a sharp, science-backed perspective t…

Morality, Disgust, and The Equation That Identifies Narcissism - Dr. Debra Lieberman

Dr. Debra Lieberman, evolutionary psychologist at The University of Miami, joins The Right Principle to discuss morality, disgust, chimp psychology, narcissism, and mathematics as a means to overcome relational abuse. Dr. Lieberman also answers that question we've all asked at least once - why do w…

How to Identify a Social Predator (The 4 Phases) - Dr Peter Salerno

Psychological insights and actionable strategies direct to your inbox: https://bradcarr.transistor.fm/newsletter00:00 In This Episode00:32 Introducing Dr. Peter Salerno00:44 Predatory Relationships: The Most Common Patterns02:40 Why You Are Targeted by a Predator04:59 Who Is Vulnerable to a Social …

Why Don’t You Have Sex With Your Sister? - Dr Debra Lieberman - #1041

Dr. Debra Lieberman is an evolutionary psychologist, professor, and researcher. Why don’t we feel sexual attraction toward our siblings or close family? Evolution seems to have hard-wired the brain to prevent inbreeding, a pattern shared with many other animals. So how does this mechanism work, an…

Forgiveness, Risk & Abuse: When Should We Stop Forgiving? | Dr. Debra Lieberman

What happens when forgiveness, something we often see as a sign of compassion and strength, becomes part of a pattern that keeps us exposed to harm? This is a conversation about forgiveness—but also about risk, boundaries, attachment, and knowing when our understanding of a relationship needs to ch…