Ahmed Negida, MD PhD 🇪🇬🇺🇲
@Negida
Postdoctoral Scholar @VCUHealth | Formerly @HarvardMed | Global Lead @Global_Nsurg | #Neurology #Neurosurgery | Instructor @NegidaAcademy
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How do structural connectivity and conduction speed shape the development of brain oscillations? In @NSR_Family, we introduce ξ–αNET, a model linking the connectome and interareal delays to aperiodic and alpha rhythms. @sosa_valdes doi.org/10.1093/nsr/nw…
<6h of sleep is associated with a 30% increased dementia risk. Sleep activates the brain's glymphatic system to clear harmful waste.
Coffee, Tea and Dementia Risk: Is your daily brew brain protective? What does dementia risk mean? Dementia risk refers to the likelihood over time of developing a condition that affects memory, thinking, behavior and independence. Zhang and colleagues describe in a new paper in…
New research shows insufficient #sleep is a meaningful predictor of how long people live. thehealthy.com/news/oregon-he…
🧠Our New preprint: We propose a “neuro-bridge” framework linking #spiking neural networks with biophysical brain simulations for Alzheimer’s detection from #EEG. 📉 1/f slope as key biomarker (E/I balance) 🔁 ML predictions ↔ circuit mechanisms #NeuroAI arxiv.org/abs/2602.07010
🧠📈A new foundation model for #neuroscience! In the latest Deeper Learning blog, @yuven_duan and @KanakaRajanPhD describe their state-of-the-art POCO model, which accurately forecasts neural dynamics across individuals and species. bit.ly/4afqx5A #NeuroAI
Multimodal foundation models are the future of medical AI, and medical AI is the future of healthcare.
Exercising outside is better for the brain.
When hands move and the mouth ‘joins in.’ An under-appreciated motor signal in Parkinson’s disease. Motor overflow refers to involuntary movements that appear in body parts not intentionally being used when another movement is being performed. Makhoul and Jankovic describe in a…
We present Prima, the first medical foundation model for neuroimaging that supports full real-world, clinical MRI studies: the whole MRI in >>> diagnosis out! Thanks to @umichmedicine, @umichneuro, and our @mlins_lab. nature.com/articles/s4155…
It’s time to rethink Parkinson’s disease. Our work reframes PD as a disorder of the somato-cognitive action network (SCAN), and shows that normalization of SCAN connectivity represents a shared mechanism across diverse effective therapies. nature.com/articles/s4158… @ndosenbach…
3.6h/day of phone use is linked to less brain volume and activity in your salience network. This network helps you: - decide what's worth your attention - regulate emotional responses - resist impulses
Being addicted to your phone is associated with decreased brain volume & activity.
Being addicted to your phone is associated with decreased brain volume & activity.
Connectivity of the adult human brain with sequential neurogenesis of circuits and transcriptomics signatures | Nature Communications nature.com/articles/s4146…
Your brain has a cleanup system. And it’s working every second you’re alive. A quick breakdown: 🧠 The glymphatic system Cerebrospinal fluid flows alongside blood vessels, guided by astrocytes, washing through brain tissue and carrying away metabolic waste like amyloid and…
Not prescribing exercise is psychiatric malpractice.
This is one of the most important studies in sleep science. Van Dongen et al. ran the experiment that changed how we understand chronic sleep restriction. They had subjects sleep 4h, 6h, or 8h nightly for 14 days, testing cognitive performance every 2 hours. The 6h group’s…
Competitive gamers: 6h of sleep is a hidden nerf. 6h/night for 2 weeks → reaction time & attention decline to the equivalent of pulling MULTIPLE all-nighters. Worst part: subjective fatigue plateaus, so you stop noticing. If you're not getting 7+ hours/night, you're trolling.
New research: your brain releases more dopamine when rewards take more effort (via acetylcholine priming). This may explain: - The appeal of hard workouts - Why AI shortcuts can feel unsatisfying - Why a hike feels better than driving to the same view
Bad news. For the first time in the web history, you should be a robot to sign up. If you choose “I’m a human”, it does not work. @moltbook
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