Most Replayed Moment: The 4 Personalities Living In Your Brain! How To Switch Between Them
Jun 19, 2026 · 25m
Summary
Steven Bartlett explores the brain's four distinct personalities: left-thinking, left-emotional, right-emotional, and right-thinking. He explains how each hemisphere handles time, safety, and identity, using lateral light stimulation to demonstrate switching between focused and relaxed states. The discussion highlights neuroplasticity, the biological basis of trauma and addiction, and the importance of balancing these internal characters to find peace and purpose.
Topics discussed
Sponsor: NetSuite AI for business
Brain anatomy and the four personalities
Character 1: Left thinking and logic
Character 2: Left emotion and past pain
Character 3: Right emotion and playfulness
Character 4: Right thinking and wisdom
The miracle of existence and gratitude
Demonstration: Stimulating the left hemisphere
Demonstration: Stimulating the right hemisphere
Scientific basis and Harvard studies
Practicing balance among the four characters
Outro and sponsor message
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