What if you’ve never actually experienced reality?

S2 EP. 028

In this episode of Decoded, Elisabeth McKay explores one of the most profound questions in neuroscience, philosophy, and psychology: How does the brain transform information into the world you believe you’re experiencing?

From color and sound to pain, emotion, memory, and meaning, your brain isn’t passively recording reality—it’s actively constructing it.

This episode breaks down how perception is created through predictive processing, sensory translation, and childhood conditioning, revealing why two people can witness the exact same event and walk away with completely different experiences.

In this episode, Elisabeth explores:

• Why your brain never directly experiences reality
• How the brain constructs color, sound, touch, and pain
• The neuroscience of perception and consciousness
• Why atoms are mostly empty space
• Predictive processing and Bayesian brain theory
• Interoception and its role in anxiety and panic
• Phantom limb syndrome and the brain’s model of reality
• How childhood experiences shape adult perception
• Why memories and emotions influence every experience
• Brain Pattern Mapping and the roots of self-deception
• Why objective reality and subjective experience are often confused

Reality may be objective.

But your experience of reality is constructed.

Understanding that distinction changes everything—from relationships and communication to anxiety, trauma, emotional regulation, and mental health.

This is Part One of a two-part exploration into perception, consciousness, and the neurological foundations of reality itself.

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SHOW NOTES

00:00 – Is Reality Even Real?

02:06 – Your Brain Has Never Experienced Reality Directly

04:43 – How the Brain Translates the World

07:12 – Psilocybin and the Illusion of Reality

11:18 – Why Matter Feels Solid

14:42 – How the Brain Creates Color

18:33 – Sound Is Just Vibration

22:08 – Why Music Affects Everyone Differently

24:35 – How the Brain Creates Touch

28:12 – Pain Is an Interpretation

33:08 – Phantom Limb Syndrome Explained

36:42 – Interoception: Your Hidden Sixth Sense

41:18 – Anxiety, Panic Attacks, and Internal Perception

46:47 – Your Brain Is a Prediction Machine

52:26 – Childhood Creates Your Reality

57:11 – The Bayesian Brain Explained

01:01:44 – Why Two People Experience the Same Event Differently

01:07:08 – Brain Pattern Mapping and Objective Reality

01:11:02 – Why Perception Creates Mental Illness

01:14:28 – Part Two Preview: Plato’s Cave & Simulation Theory

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