The Psychology Podcast Colin DeYoung || Cybernetics and the Science of Personality
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Apr 5, 2018 
Colin DeYoung, a psychology professor, discusses the modern day personality hierarchy, the scientific validity of the Myers-Briggs Type Indicator (MBTI), dopamine's role as the neuromodulator of exploration, the link between compassion and imagination, the neuroscience of anxiety, the cybernetics of personality, and the effects of therapy on personality change.
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Personality As A Hierarchy
- Personality traits form a hierarchy with broad Big Five at the top and narrower facets below.
- Higher-order factors Stability and Plasticity group Big Five traits into goal-related systems.
Stability And Plasticity Explained
- Two superordinate factors exist above the Big Five: Stability and Plasticity.
- Stability (emotional, social, motivational) and Plasticity (behavioral and cognitive exploration) organize personality trade-offs.
Dopamine Motivates Wanting, Not Just Pleasure
- Dopamine drives wanting and motivation more than raw pleasure.
- It lowers perceived effort costs, promoting exploration, sociability, and risk-taking linked to extraversion.