Christos Lisgaras @chrislisgaras.bsky.social · 16/09/2026New paper out in @thelancet.com! In >4,000 people with Down syndrome, we show when epilepsy emerges and its clinical impact. Natural history and clinical impact of epilepsy in adults with Down syndrome: a multicentre clinical study - The Lancet www.thelancet.com/journals/lan...thelancet.comNatural history and clinical impact of epilepsy in adults with Down syndrome: a multicentre clinical studyEpilepsy increases sharply after symptomatic Alzheimer's disease onset in people with Down syndrome. The association of epilepsy with reduced survival and accelerated cognitive decline underscores the... 013
Christos Lisgaras @chrislisgaras.bsky.social · 09/07/2026New paper out from postdoctoral fellow in my lab, Dr. Jiaojiao Guo examining the expanding role of electroencephalography (EEG) in neurodegenerative disease and its utility in dementia. Check it out! www.nature.com/articles/s44...nature.com 040
Christos Lisgaras @chrislisgaras.bsky.social · 21/02/2026For decades, Alzheimer’s therapies assumed more acetylcholine = better memory. Our new paper in @alzdemjournals.bsky.social challenges this dogma, showing that the cholinergic system has opposite effects on memory depending on disease stage. 📌 alz-journals.onlinelibrary.wiley.com/doi/10.1002/...alz-journals.onlinelibrary.wiley.comThe cholinergic system exerts opposing effects on memory at different stages of disease progression in Alzheimer's and Down syndrome model systemsINTRODUCTION The long-standing cholinergic hypothesis posits that cholinergic signaling is uniformly deficient in Alzheimer's disease (AD) and Down syndrome (DS). We tested the hypothesis that this ... 130
Christos Lisgaras @chrislisgaras.bsky.social · 17/02/2026More than 20 years after their discovery, HFOs are reshaping how we understand epilepsy and increasingly, revealing important links to other brain disorders. In our new paper we reflect on how far the field has come and where it’s headed next. #HFOnews onlinelibrary.wiley.com/doi/10.1002/... 021
Christos Lisgaras @chrislisgaras.bsky.social · 05/02/2026Thank you @cureepilepsy.bsky.social for this honor and for supporting my lab’s work on high frequency oscillations in epilepsy through a CURE Epilepsy award! #HFOnews Congratulations to all awardees! 040
Christos Lisgaras @chrislisgaras.bsky.social · 03/12/2025Not just one biomarker, but many! Join our Epilepsy and Aging SIG for an exciting multimodal biomarker session. The session has it all from basic science to neuropsychology, EEG, and more! 🗓️ Monday, December 7, 2:00-3:30pm, Room GWCC B312, Level 3. @amepilepsysoc.bsky.social @yes-ilae.bsky.social 031
Christos Lisgaras @chrislisgaras.bsky.social · 02/12/2025The @amepilepsysoc.bsky.social AES Annual Meeting is quickly approaching - have you marked your calendar for the exciting EEG BIOMARKER CHALLENGE? We will tackle whether EEG biomarkers are disease specific and WHY that matters! 🗓️ Sunday, December 7, 4:00-5:30pm Join us! #HFOnews 021
Christos Lisgaras @chrislisgaras.bsky.social · 02/12/2025Not to be missed!! Mark your calendar! Great networking opportunity. 000
Reposted by Christos LisgarasBrain Communications @braincomms.bsky.social · 25/10/2025This scientific commentary refers to ‘High-frequency oscillations in epileptic and non-epileptic Alzheimer's disease patients and the differential effect of levetiracetam on the oscillations’, by Shandilya et al. @chrislisgaras.bsky.social Read at 👉 buff.ly/r3IcOEE 021
Christos Lisgaras @chrislisgaras.bsky.social · 07/11/2025New paper out! We show that EEG biomarkers interact in opposite ways in Alzheimer’s disease (AD) vs. epilepsy. This could explain why epileptiform activity is inconsistently seen in AD—and highlights the need for wideband EEG to uncover these dynamics. #HFOnews www.sciencedirect.com/science/arti...sciencedirect.comOpposing interictal dynamics in Alzheimer’s disease and epilepsyAdvanced EEG technology has revealed that epileptiform activity occurs more frequently in Alzheimer’s disease (AD) than previously recognized, prompti… 030
Christos Lisgaras @chrislisgaras.bsky.social · 07/10/2025Greatly enjoyed writing this piece for @braincomms.bsky.social! 🔹 "High frequency opportunities for Alzheimer's disease" academic.oup.com/braincomms/a... This commentary calls for rethinking how we “listen to” and interpret abnormal electrical activity in Alzheimer’s disease and related dementias.academic.oup.comHigh frequency opportunities for Alzheimer’s diseaseThis scientific commentary refers to ‘High-frequency oscillations in epileptic and non-epileptic Alzheimer's disease patients and the differential effect o 010
Christos Lisgaras @chrislisgaras.bsky.social · 25/08/2025Off to beautiful Lisbon to speak the XVIII Workshop on Neurobiology of Epilepsies. Excited about this year’s topic on the resilient brain! Who’s coming?! #HFOnews 🧠 #ILAE @ilae-epilepsy.bsky.social 020
Christos Lisgaras @chrislisgaras.bsky.social · 21/07/2025Exited to share our new work! We found scalp high frequency oscillations (HFOs) in adults with Down syndrome, before the clinical onset of Alzheimer’s dementia and late onset myoclonic epilepsy. HFOs may hold the key to earlier diagnosis #HFOnews alz-journals.onlinelibrary.wiley.com/doi/10.1002/...alz-journals.onlinelibrary.wiley.comHigh‐frequency oscillations >250 Hz in people with Down syndrome and associated Alzheimer's disease dementiaINTRODUCTION Alzheimer's disease (AD) dementia has near full penetrance in adults with Down syndrome (DS) and is strongly linked to late-onset myoclonic epilepsy in Down syndrome (LOMEDS). However, ... 041
Christos Lisgaras @chrislisgaras.bsky.social · 08/07/2025Interested in how sleep is affected across the Alzheimer’s disease continuum in people with Down syndrome? 💤 Check our new publication with collaborators in Spain out in Alzheimer’s & Dementia: The Journal of the Alzheimer’s Association. alz-journals.onlinelibrary.wiley.com/doi/10.1002/...alz-journals.onlinelibrary.wiley.comImpact of Alzheimer's disease on sleep in adults with Down syndromeINTRODUCTION Down syndrome (DS) is a genetic form of Alzheimer's disease (AD), with a high prevalence of sleep disorders, but data in adults with DS and dementia are lacking. We aim to assess sleep ... 020
Christos Lisgaras @chrislisgaras.bsky.social · 13/06/2025Interested in how preclinical studies can help understand EEG patterns? Take a look at our book chapter! With Marco de Curtis and Premysl Jiruska. link.springer.com/chapter/10.1... #HFOnews 010
Christos Lisgaras @chrislisgaras.bsky.social · 11/06/2025#HFOnews! And first outcome publication of the Third International Workshop on High Frequency Oscillations in Epilepsy. 👇👇 091
Christos Lisgaras @chrislisgaras.bsky.social · 16/05/2025Off to beautiful Verona for the Spring Hippocampal Research Conference! Who’s coming?! #HFOnews hippo.euroconferences.org/scientific-p...hippo.euroconferences.orgScientific ProgramIf you determine at the last minute that you cannot travel to Verona, you will have the option of providing a video of your presentation, which will be played in the session in which you are... 050
Christos Lisgaras @chrislisgaras.bsky.social · 10/04/2025Excited to be speaking about High Frequency Oscillations in Epilepsy and Sleep at the 2nd Annual Sleep Conference in NYC! 000
Christos Lisgaras @chrislisgaras.bsky.social · 21/03/2025Happy World Down Syndrome day! We are advocating and are all inspired by individuals with Down syndrome. #WDSD2025 010
Christos Lisgaras @chrislisgaras.bsky.social · 21/03/2025Join us next week for an @ilae-epilepsy.bsky.social webinar on High Frequency Oscillations! Dr. Sheybani @laurentsheybani.bsky.social and Dr. Jacobs will talk all about HFOs in epilepsy. #HFOnews Register here: docs.google.com/forms/d/1e-x... 031
Christos Lisgaras @chrislisgaras.bsky.social · 13/03/2025A great one by @laurentsheybani.bsky.social - on the reading list! 010
Christos Lisgaras @chrislisgaras.bsky.social · 01/03/2025www.nia.nih.gov/research/blo...nia.nih.govBeyond amyloid: Targeting a broader range of Alzheimer's disease factorsLearn how Alzheimer's and dementia research targets have evolved. 000
Christos Lisgaras @chrislisgaras.bsky.social · 17/02/2025Our #EEG Review was selected as @epilepsiajournal.bsky.social Editor’s Featured Article - give it a read here👇 onlinelibrary.wiley.com/doi/10.1111/... 000
Christos Lisgaras @chrislisgaras.bsky.social · 15/02/2025Super excited to see our 2022 animal model study (onlinelibrary.wiley.com/doi/10.1111/...) showing HFOs in Alzheimer’s model systems replicated in humans! @braincomms.bsky.social The dream of every basic scientist 🤩 Our human study coming very soon :) #HFOnews academic.oup.com/braincomms/a...onlinelibrary.wiley.comHigh‐frequency oscillations (250–500 Hz) in animal models of Alzheimer's disease and two animal models of epilepsyObjective To test the hypothesis that high-frequency oscillations (HFOs) between 250 and 500 Hz occur in mouse models of Alzheimer's disease (AD) and thus are not unique to epilepsy. Methods Exper..... 021
Christos Lisgaras @chrislisgaras.bsky.social · 13/02/2025Our review discussing the role of EEG in Epilepsy research is now out @epilepsiajournal.bsky.social @ilae-epilepsy.bsky.social Thanks to all of my co-authors! onlinelibrary.wiley.com/doi/10.1111/...onlinelibrary.wiley.comThe role of electroencephalography in epilepsy research—From seizures to interictal activity and comorbiditiesElectroencephalography (EEG) has been instrumental in epilepsy research for the past century, both for basic and translational studies. Its contributions have advanced our understanding of epilepsy, ... 030
Reposted by Christos LisgarasTristan Shuman @tristanshuman.bsky.social · 28/01/2025New paper out in Cell Reports! Led by @susieyufeng.bsky.social, we found that chronic epilepsy in mice drives distinct synchronization deficits in hippocampus and MEC, with early changes in HPC and late-onset changes in MEC that align with progressive memory impairment. www.cell.com/cell-reports... 15321
Reposted by Christos LisgarasMisha Zilberter @mzilberter.bsky.social · 13/01/2025🚨NIH-funded postdoc position! Looking for an electrophysiologist (ex/in-vivo) to work with us at Gladstone Institutes on mechanisms of oxidative stress, glucose metabolism, and network hyperexcitability in Alzheimer's disease 🧠 #neurojobs #postdocjob gladstone.wd5.myworkdayjobs.com/en-US/career... 085
Christos Lisgaras @chrislisgaras.bsky.social · 08/01/2025Same almost did it with a cover letter for a grant lol 010
Reposted by Christos LisgarasHongyu_Chang @hongyuchang.bsky.social · 02/01/2025SEEING THROUGH YOUR EYES 👁️: Excited to share our new paper (which is out now @nature.com !!) with Wenbo Tang, Antonio Fernandez-Ruiz✉️, and Azahara Oliva✉️: we discovered a novel sleep microstructure that promotes memory replay! #Neuroscience #hippocampus nature.com/articles/s41... 🧵 1/12👇nature.comSleep microstructure organizes memory replay - NatureThe temporal microstructure of the brain can multiplex distinct cognitive processes during sleep to support continuous learning. 410431
Christos Lisgaras @chrislisgaras.bsky.social · 12/12/2024I know! This is impressive work-Congrats again! 110
Christos Lisgaras @chrislisgaras.bsky.social · 06/12/2024lol! 😂 I know there was almost snow in NY 000
Christos Lisgaras @chrislisgaras.bsky.social · 05/12/2024On my way to sunny LA for the @amepilepsysoc.bsky.social Annual Meeting! Excited to be speaking about common EEG disturbances in Alzheimer’s Disease and Epilepsy models. Join our IW on AD and Epilepsy on Dec 8 at 3:15pm, Room 403A! 2113
Christos Lisgaras @chrislisgaras.bsky.social · 02/12/2024@serenadudette.bsky.social 💯 www.biorxiv.org/content/10.1...biorxiv.orgHippocampal CA2 neurons disproportionately express AAV-delivered genetic cargoHippocampal area CA2 is unique in many ways, largely based on the complement of genes expressed there. We and others have observed that CA2 neurons exhibit a uniquely robust tropism for adeno-associat... 030