Last week, Nanlin Shi (postdoctoral associate) presented T. Lei et al.’s new Nature paper, “Active dissociation of intracortical spiking and high gamma activity,” on whether intracortical HGA reflects local spiking or broader population activity.

Last week, Zac Spalding (@zspald.bsky.social‬, 4th year PhD student, @dukeubme.bsky.social‬) presented Aditya Singh and colleagues’ 2025 paper on multi-regional, multi-subject neural speech decoding using from SEEG electrodes.

Last week, Baishen Liang (postdoctoral associate) led a discussion on a recent ieeg speech paper from the Chang Lab by Patrick W. Hullett and colleagues on the frontal and temporal parallel cortical speech processing pathways.

Very excited to have you here and looking forward to working with you :)

Last week, Jim Zhang (4th year PhD student, @DukeBrain ) presented Sina Tafazoli’s paper on building compositional tasks with shared neural subspaces. This 🧵 explores our thoughts (🤍 & ❔)

Come by tomorrow morning to see Baishen's work on verbal working memory!

Come by this morning to see Areti's poster!

At #Sfn2025 ? Come see some of the lab's posters this afternoon!

Coming to San Diego for SfN and/or APAN? Come check out the intracranial work from the lab (7 posters)! There's a bit of everything this year, so come say hello! #Sfn2025 #Neuroscience #neuroskyence @dukebrain.bsky.social @dukeneurosurgery.bsky.social @dukeengineering.bsky.social

Come by tomorrow morning to hear about verbal working memory!

Stop by this afternoon to see some intracranial speech decoding in the hippocampus and to say hello!

Coming to DC for SNL later this week? Come check out our posters on speech decoding and verbal working memory using intracranial recordings! @snlmtg.bsky.social #SNL2025

Last week, Zac Spalding (@zspald.bsky.social‬, 4th year PhD student, @dukeubme.bsky.social‬) presented Adam Gosztolai, Robert Peach, and colleagues’ 2025 paper on MARBLE, a method for finding interpretable latent representations of neural dynamics.

Exciting work by PhD student Zac Spalding @zspald.bsky.social and multiple labs across departments at Duke! A combination of human electrophysiology, modeling/decoding, and cognitive concepts to improve BCI for speech in patients. 👏 🧠📈

From Cogan Lab Journal Club with @zspald.bsky.social these decomposition acronyms are getting out of hand!

We’re happy to present @zspald.bsky.social 's work on shared neural representations of speech production across individuals! We find that patient-specific data can be aligned to a shared space that preserves speech information, enabling cross-patient speech BCIs. www.biorxiv.org/content/10.1...

Last week, Nanlin Shi (Postdoctoral Associate) presented Jessie Liu and colleague’s latest work on speech encoding in the middle Precentral Gyrus (mPrCG). This 🧵 explores our thoughts (🤍 & ❔) www.nature.com/articles/s41...

This week, Jim Zhang (3rd year PhD student, @dukebrain.bsky.social) presented Brooke Staveland’s paper on circuit dynamics of approach-avoidance conflict in humans. This 🧵 explores our thoughts (🤍 & ❔) www.biorxiv.org/content/10.1...

Last week, Areti Majumdar (1st year PhD student) presented Leyao Yu and colleagues’ new paper on two overlapping but distinct frontal networks for word retrieval. This 🧵 explores our thoughts (🤍 & ❔) doi.org/10.1016/j.ce...

Last week, @danielsexton16.bsky.social (7th year Neurosurgery Resident at Duke University) presented Linnea Evanson and colleagues' new paper on comparing the development of language from childhood to adulthood and how it relates to LLMs. This 🧵 explores our thoughts (🤍 & ❔)

Last week, Nicole Liddle (CRS, Sr. @nicoleliddle.bsky.social) presented Çatal and colleagues’ 2024 paper on the flexibility of intrinsic neural timescales during distinct behavioral states. This 🧵 explores our thoughts (🤍 & ❔): www.nature.com/articles/s42...

The Cogan Lab is looking for a new clinical research specialist/research assistant! If you are interested in speech, language, and BCI and want to work with patients implanted with intracranial electrodes, reach out! www.coganlab.org/news

The Cogan Lab is looking for a new clinical research specialist/research assistant! If you are interested in speech, language, and BCI and want to work with patients implanted with intracranial electrodes, reach out! www.coganlab.org/news

Last week, Baishen Liang (postdoctoral associate) presented recent verbal working work using two-dimensional neural geometry by Fan and colleagues: www.nature.com/articles/s41... This 🧵 explores our thoughts (🤍 & ❔) :

Last week, @danielsexton16.bsky.social (7th year Neurosurgery Resident at Duke University) presented Jonathan Daume and colleagues' new paper on single cell phase-amplitude coupling in a working memory task. This 🧵 explores our thoughts (🤍 & ❔) www.nature.com/articles/s41...

This week, Areti Majumdar (1st year PhD student) presented @vibhaviswanathan.bsky.social and colleagues’ new paper on auditory response latencies and task-related effects in diverse cortical and subcortical regions. This 🧵 explores our thoughts (🤍 & ❔) www.biorxiv.org/content/10.1...

Last week, Zac Spalding (3rd year PhD student, Duke BME) presented Erin Kunz, Benyamin Meschede-Krasa, and colleagues' 2024 preprint on how covert speech is represented in the motor cortex. [cont.] www.biorxiv.org/content/10.1...

Last week, undergraduate Raymond Xiong presented Jason Hsieh and colleagues’ new paper on network analysis & machine learning techniques to explore how focal cortical stimulation interacts with complex brain networks for language function. This 🧵 explores our thoughts (🤍& ❔)

Had a great time presenting in the intracranial language symposium at #SNL2024!! Thanks to all the amazing speakers: Matt Leonard, Stéphanie Riès, Anna Mai,and especially to Jill Kries for organizing!!

Our preprint on the transition from planning to execution for speech production using intracranial recordings is online at biorxiv_neurosci! www.biorxiv.org/content/10.1... 1/10

Coming to Chicago for SfN? Interested in intracranial EEG and speech and cognition? Come see the lab’s posters!

Last week, Jim Zhang (3rd year PhD student, @dukebrain.bsky.social) presented Marije ter Wal and colleague’s paper on how human stereoEEG recordings reveal network dynamics of decision-making in a rule-switching task. This 🧵 explores our thoughts (🤍 & ❔) doi.org/10.1038/s414...

Last week, Nicole Liddle (Sr. Clinical Research Specialist) presented Zilio, Gomez-Pilar and colleagues’ 2021 paper on how intrinsic neural timescales (INTs) relate to sensory vs. motor processing in abnormal states. This 🧵 explores her thoughts (🤍 & ❔) www.sciencedirect.com/science/arti...

This week, Jim Zhang (3rd year PhD student, @dukebrain.bsky.social) presented Juri Minxha and colleague’s paper on the flexible recruitment of memory-based choice representations by the human medial frontal cortex. This 🧵 explores his thoughts (🤍 & ❔) www.science.org/doi/10.1126/...

Last week, Ahmed Hadwan (3rd Year Undergraduate student, Duke Kunshan University) presented Alex Silva and colleagues’ new paper on shared cortical articulatory representations between languages for BCI. This 🧵 explores his thoughts (🤍 & ❔) www.nature.com/articles/s41...

Last week, Aaron Earle-Richardson (Research Tech) presented Arthur Pellegrino and colleague’s new paper on Dimensionality reduction beyond neural subspaces with slice tensor component analysis. This 🧵 explores his thoughts (🤍 & ❔) www.nature.com/articles/s41...

This week, Nicole Liddle (Sr. Clinical Research Specialist) presented @lauragwilliams.bsky.social and colleagues’ recent preprint on hierarchical dynamic coding of linguistic features during speech comprehension. This 🧵 explores her thoughts (🤍 & ❔) www.biorxiv.org/content/10.1...

This week, Jim Zhang (2nd year PhD student, @dukebrain.bsky.social) presented Weber and colleague’s paper on how ramping dynamics and theta oscillations reflect dissociable signatures during rule-guided human behavior. This 🧵 explores our thoughts (🤍 & ❔) www.nature.com/articles/s41...

Last week, Ahmed Hadwan (3rd Year Undergraduate student at Duke Kunshan University) presented Ariel Goldstein and colleagues’ new paper on shared geometrical patterns between contextual linguistic embeddings and brain embeddings. This 🧵 explores our thoughts (🤍 & ❔) www.nature.com/articles/s41...

The CoganLab is looking for a postdoc to work on intracranial recordings of speech. Projects include speech production, verbal WM, and decoding for neural speech prostheses with micro-ECoG. Come join us at Duke! coganlab.org/postdoc24 @dukebrain.bsky.social

Last week, Zac Spalding (2nd year BME PhD student) presented Gallego-Carracedo et al.’s 2022 paper investigating the relationship between latent dynamics of neural populations and local field potentials (LFPs) during movement. [cont.]

Last week, undergraduate sophomore Raymond Xiong presented YuanningLi and colleagues’ new paper on using state-of-the-art deep neural network (DNN) models to investigate the neuro-mechanisms of speech perception. This 🧵 explores our thoughts (🤍 & ❔) www.nature.com/articles/s41...

Last week, Kumar Duraivel (Senior PhD candidate) presented Matt Leonard, Laura Gwilliams, and colleagues paper on neuronal mechanisms of speech perception in the STG using state-of-the-art ultrahigh-density Neuropixel probes. This 🧵 explores our thoughts (🤍 & ❔) www.nature.com/articles/s41...

This week, Brooke Sevchik (senior undergraduate student) explored Luque and Morgan-Short's paper on the relationship between cognitive control and second language proficiency. This 🧵 explores our thoughts (🤍 & ❔) www.sciencedirect.com/science/arti...

Last week, Nicole Liddle (CRS, Sr.) presented Golesorkhi et al.’s paper on the shared temporo-spatial hierarchy of intrinsic neural timescales (INTs) and the Core-Periphery (CP) network architecture during rest and task states. This 🧵 explores our thoughts (🤍 & ❔)

Last week, Erin Burns (sophomore undergraduate studying Neuroscience) presented Aponik-Gremillion and colleague’s paper on episodic and executive processes in the dorsal posterior cingulate. This 🧵 explores our thoughts (🤍 & ❔) elifesciences.org/articles/807...

Last week, Aaron Earle-Richardson (Research Tech) presented Christian Herff’s new conference paper on semantic representations of speech production. This 🧵 explores our thoughts (🤍 & ❔)

Last week, Kumar Duraivel (6th year PhD candidate) presented Khanna, Muñoz, and Kim et al. ’s new paper on the neuronal mechanisms of speech production using state-of-the-art ultrahigh-density Neuropixel probes. This 🧵 explores our thoughts (🤍 & ❔) www.nature.com/articles/s41...

Last week, undergraduate junior Alice Lyu presented Wolna et al.’s paper on bilingual language control in speech production. This 🧵explores our thoughts (🤍& ❔) direct.mit.edu/nol/article/...

Last week, Zac Spalding (2nd year BME PhD student,) presented Mostafa Safaie & Joanna Chang’s new paper investigating how similar motor behaviors are produced by the brains of different animals. They find that latent representations of neural activity are highly preserved across animals.