Xinchi Yu
@Xinchi_YuPhD student @umdnacs; @PKU1898 alum. Interested in how we represent structures (visual, conceptual & linguistic ones). Language & Vision.
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New preprint! We know a lot about how the brain produces single words. But how does word production work in sentences? We tracked 6 words in the brain while ECoG patients used them to produce sentences like "Dracula hit Frankenstein". 🧵1/9 doi.org/10.1101/2024.1…
omg no hopefully this is not something like THAT ONE
⚠️BREAKING—ICU Hospitalized human bird flu case in Canada now officially confirmed as H5N1. Worse, it is the same 2.3.4.4b virus clade (variant group) as the one found in BC🇨🇦 poultry and in Washington state🇺🇸! The hospitalized teenager (with no pre existing conditions) had no…
Just published with Hugo Weissbart! nature.com/articles/s4146… Our new study in Nature Communications reveals how the structure and statistics of language work together to shape neural responses during naturalistic language comprehension Thread below 📷 [1/7]
From @UNIV_TSUKUBA_EN (Japan): evaluation of #Braille reading speed for text vs tables shows that tables are harder to decipher for blind readers. Researchers note additional accommodations may be required for school examinations. @SageJournals: bit.ly/3YIc5gP
I'm excited to share this preprint written w/ Ruimin Gao and @jonrbrennan . We used neural decoding (prediction) on EEG to show phrasal heads are reactivated when phrases are built, even when the head is distant in time. biorxiv.org/content/10.110…
Big shouts to the collaborative work with Nai Ding on line at @NatureHumBehav, demonstrating 1D-to-2D hierarchical reorganization in human sequence working memory. Congrats to @YingFanLaLaLa and Muzhi! nature.com/articles/s4156…
People like round contours better than angular contours. Where and how is curvature represented in the brain? With indoor architecture we found a neural dissociation between subjective curvature and computational curvature. nature.com/articles/s4159… @DelaFarzanfar @mskov01
Superior colliculus is awesome.
Putting the 'spotlight' on high-level visual cognition deep down in the brain @TrendsCognSci: authors.elsevier.com/a/1k1P04sIRvTB… A pleasure to highlight this exciting study by @b_peysakhovich et al., that can be found here: doi.org/10.1038/s41593…
The KING is back.😉
Friends have not seen for a long time, because the work is very busy, rarely come up, miss you
In preparing a talk, I just revisited the paper by @yue_sun on what is seemingly a 'simple' concept or unit of representation (the syllable) but remains deceptively subtle. Yue's innovative approach is cool: pnas.org/doi/abs/10.107… @ESI_Frankfurt
Humans show systematic patterns when processing "who did what to whom" in a sentence. LLMs might be successful at identifying this information, but their measures don't reflect human-like mechanisms. More in the thread 🔽 Rosa and I will be presenting at @emnlpmeeting!
I'm excited to share our new paper: "A Psycholinguistic Evaluation of Language Models’ Sensitivity to Argument Roles" with @sathvikn4 and Naomi Feldman! Accepted to #EMNLP2024 findings.🧵 arxiv.org/abs/2410.16139
I'm excited to share our new paper: "A Psycholinguistic Evaluation of Language Models’ Sensitivity to Argument Roles" with @sathvikn4 and Naomi Feldman! Accepted to #EMNLP2024 findings.🧵 arxiv.org/abs/2410.16139
@AKrauska blowing the minds of @SNLmtg attendees by showing that a lexicon-syntax distinction is not viable, and that a non-lexicalist model can nicely explain grammatical deficits in aphasia #SNL2024
cognitive revolution is an overstatement, it mostly just happened on the east coast
During my PhD, I noticed it can be challenging to decode long-term memory (LTM) contents from EEG activity. We were struck by research showing that transient visual "pings" can boost working memory classification. So, we evaluated this technique for LTM: direct.mit.edu/imag/article/d…
From a single glance at a brief sentence, like a text or an ad slogan, what aspects of the linguistic representation does your brain detect first? Our new results suggest basic phrase structure, as quickly as 125ms. At @ScienceAdvances by Jacqui Fallon! science.org/doi/10.1126/sc…
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Laura Gwilliams
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Language Processing Lab @ UChicago
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