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Fabian Schneider (he/him) Profile picture
Fabian Schneider (he/him)
@schneiderfabs
PhD candidate @UKEHamburg. memory, audition, predictive coding, spiking nets. formerly @DondersInst, @YourStMarys and @jlugiessen
Aug 1 • 16 tweets • 6 min read
🚨 Fresh preprint w/ Helen Blank!

How does the brain acquire expectations about a conversational partner, and how are priors integrated w/ sensory inputs?

Current evidence diverges. Is it prediction error? Sharpening?

Spoiler: It's both.👀

🧵1/16

biorxiv.org/content/10.110…Image 🧵2/16
We played morphed audio files (e.g., sea/tea) and had participants report which of the two words they had heard. Critically, the same morphs were played in different speaker contexts, with speaker-specific feedback reinforcing robust speaker-specific semantic expectations. Image