# White Board Series (Audio Version): Superior Colliculus & Eye Movements

Page: https://stenobird.com/podcast/from-the-spectrum-finding-superpowers-with-autism-6847336/white-board-series-audio-version-superior-colliculus-eye-movements
Text version: https://stenobird.com/podcast/from-the-spectrum-finding-superpowers-with-autism-6847336/white-board-series-audio-version-superior-colliculus-eye-movements.md
Podcast: [From the Spectrum: Finding Superpowers with Autism](https://stenobird.com/podcast/from-the-spectrum-finding-superpowers-with-autism-6847336)
Published: 2026-01-06T15:05:36+00:00
Episode link: https://rss.com/podcasts/fromthespectrum/2433582
Audio file: https://content.rss.com/episodes/261773/2433582/fromthespectrum/2026_01_06_14_50_25_258f80f9-2cfb-4096-92f3-087e3dc30404.mp3
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JSON: https://stenobird.com/v1/public/podcasts/from-the-spectrum-finding-superpowers-with-autism-6847336/episodes/white-board-series-audio-version-superior-colliculus-eye-movements
Duration seconds: 1303

## Resource

Link to video: https://www.youtube.com/watch?v=_NL6RCFsiVg In this detailed whiteboard-style episode, we explore the superior colliculus within the mesencephalon (midbrain) and its critical role in the autistic phenotype. Focusing on rapid visual processing, we explain how ~15% of retinal fibers bypass the thalamus to directly reach the superior colliculus for fast gaze orientation and saccades, while heightened gamma waves and imbalanced feedforward/feedback loops contribute to sensory overload, delayed eye movements, and challenges in attention modulation. Connections to the thalamus, frontal eye fields, basal ganglia, and cranial nerves are mapped out, underscoring the midbrain's evolutionary primacy in sensory integration, motor control, and external orientation—highlighting why disruptions here profoundly impact autistic neurology. Daylight Computer Company, use "autism" for $50 off at https://buy.daylightcomputer.com/autism Chroma Light Devices, use "autism" for 10% discount at https://getchroma.co/?ref=autism Fig Tree Christian Golf Apparel & Accessories, use "autism" for 10% discount at https://figtreegolf.com/?ref=autism Cognity AI for Autistic Social Skills, use "autism" for 10% discount at https://thecognity.com 00:00 Mesencephalon in Autism Midbrain issues in autism: eye movements (superior colliculus), hearing (inferior colliculus), motor (basal ganglia links) 01:04 Brainstem Diagram Diagram: inferior colliculus (auditory, green); superior colliculus (visual relay, red); thalamus with geniculate bodies 02:09 Retinal Projections Melanin-rich retina → ~15% direct fibers to superior colliculus for fast gaze/orientation; rest to lateral geniculate 03:41 Superior Colliculus Outputs Descending to cranial nerves 3/4/6 (eyes), 9-12 (head), vagus (10); rapid vi…

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