Mind-Body Solution

Is The Brain an Analog Computer? Consciousness as Dynamic Brainwave Organization | Earl Miller

Feb 26, 2026
Earl Miller, MIT neuroscientist who studies cortical dynamics and brain oscillations, joins to explore wave-based analog computation in the brain. He explains how oscillations coordinate millions of neurons. He contrasts wave interactions with spike-based signaling. He discusses implications for attention, working memory, consciousness, and AI.
Ask episode
AI Snips
Chapters
Transcript
Episode notes
INSIGHT

Prefrontal Cortex Acts As A Predictive Modeler

  • The prefrontal cortex builds an internal model to control the rest of cortex, enabling anticipation and efficient goal pursuit.
  • Miller equates the prefrontal role to a smart thermostat: modeling dynamics to apply proactive, energy-efficient control.
INSIGHT

Frequency Bands Map To Content And Control

  • Different frequency bands map to function and spatial scale: gamma (30+ Hz) carries high-fidelity sensory content while alpha–beta (10–30 Hz) enacts mesoscale inhibitory control.
  • Alpha–beta acts like a stencil, restricting which circuits the sensory 'spray paint' can activate.
ADVICE

Use LFPs And EEG To Track Mesoscale Brain Organization

  • Measure brain waves via local field potentials (LFPs), EEG, or MEG to capture mesoscale electric fields that reflect functional organization.
  • LFPs provide higher-fidelity internal measures compared with scalp EEG and reveal coordinating oscillations across cortex.
Get the Snipd Podcast app to discover more snips from this episode
Get the app