Tag

Brainstem

All articles tagged with #brainstem

science25 days ago•12 min saved

India Unveils the Most Detailed Brainstem Map Ever

Indian researchers at SGBC produced the most detailed brainstem map to date by integrating high‑resolution microscopy with MRI and block-face imaging, slicing samples into thin sections, annotating with in‑house software, and creating a browser‑viewable 3D brainstem model; the dataset could accelerate neurological research into diseases such as Parkinson’s and Alzheimer’s, though the paper had not yet undergone peer review at the time of writing.

via Hackaday|

#3d-model #brain-mapping #brainstem

science1 month ago•6 min saved

India unveils cellular-scale brainstem atlas

Indian researchers at IIT Madras' Sudha Gopalakrishnan Brain Centre have produced Anchor, the world's most detailed 3D atlas of the human brainstem at cellular resolution, linking MRI-scale structure to microscopic cell types across fetal to adult brains. Built from over 500 tissue sections and eight chemical markers, the freely accessible atlas maps more than 200 cell-type clusters and aims to bridge medical imaging and pathology, potentially advancing understanding of Alzheimer's, Parkinson's, stroke, SIDS and improving neurosurgical navigation.

via BBC|

#atlas #brain #brainstem

health2 months ago•10 min saved

Persistent hiccups: a potential stroke warning sign

Persistent hiccups can be a sign of a brainstem stroke, especially when accompanied by other neurological symptoms like dizziness, trouble speaking, vision changes, or balance issues. The BE FAST framework helps identify common stroke signs. If hiccups last more than 48 hours or appear with neurological symptoms, seek urgent medical evaluation (call 911) because timely treatment can improve outcomes.

via HuffPost|

#befast #brainstem #health

science3 months ago•6 min saved

Brain Rewires End-of-Sound Signals Within 24 Hours of Noise Exposure

Researchers show that after damaging noise exposure, the brainstem’s superior paraolivary nucleus rapidly re-tunes within 24 hours to restore precise sound-offset signals, compensating for reduced hearing by increasing neuronal excitability and strengthening inhibitory inputs. This fast, circuit-specific adaptation preserves the timing of sound endings even as overall sensitivity declines, highlighting the brain’s resilience and offering potential directions for therapies addressing noise-related hearing loss.

via Neuroscience News|

#brainstem #hearing #neural-plasticity

science5 months ago•2 min saved

Breathing-Linked Brain Region Implicated in Hypertension, Offering New Treatment Avenues

Researchers have identified a brainstem area called the lateral parafacial region that links breathing to nerves that constrict blood vessels, driving high blood pressure when activated. Inhibiting this region normalizes blood pressure, and signals triggering it originate in part from neck carotid bodies, suggesting a treatment approach that targets these sensors rather than the brain itself. The findings, published in Circulation Research, could lead to new therapies for hypertension and possibly sleep apnea.

via SciTechDaily|

#brainstem #breathing #carotid-bodies

science10 months ago•4 min saved

Scientists Discover Opioid-Free Brain Pain Pathway

Scientists have discovered a detailed 'pain map' in the human brainstem that activates differently depending on the body part experiencing pain, paving the way for targeted, opioid-free pain treatments.

via SciTechDaily|

#brain-imaging #brainstem #non-opioid-pain-relief

science10 months ago•3 min saved

Scientists Discover Potential Off Switch for Chronic Pain

Scientists have discovered a specific group of neurons in the brainstem that are active in chronic pain and produce a molecule called neuropeptide Y (NPY) that acts as a natural painkiller, opening potential pathways for new pain treatments.

via AOL.com|

#brainstem #chronic-pain #neurons

science10 months ago•3 min saved

Scientists Discover Potential Off Switch for Chronic Pain

Scientists have identified a specific group of neurons in the brainstem's parabrachial nucleus that are activated during chronic pain and produce a molecule, neuropeptide Y (NPY), which acts as a natural painkiller. This discovery suggests potential for developing new pain treatments that activate this molecule, offering hope for safer alternatives to opioids.

via Yahoo|

#brainstem #chronic-pain #neurons

health1 year ago•4 min saved

Brainstem Overactivity and the Persistence of Chronic Pain

A study from Hebrew University reveals that neurons in the brainstem's medullary dorsal horn respond differently to acute and chronic pain, with a failure of the natural 'braking' mechanism involving A-type potassium currents in chronic pain, potentially guiding new treatments to restore this regulation and prevent pain from becoming chronic.

via Neuroscience News|

#brainstem #chronic-pain #health

neuroscience1 year ago•5 min saved

Zebrafish Brainstem Reveals Neural Pathways for Gaze and Memory

Researchers at Weill Cornell Medicine used zebrafish larvae to study how brainstem neurons guide gaze and maintain short-term memory. By mapping neuronal circuits, they developed a computational model that accurately predicted network activity, offering insights into visual-motor systems and potential treatments for eye movement disorders. The study highlights the zebrafish's simple neural anatomy as a valuable model for understanding complex brain functions.

via Neuroscience News|

#brainstem #eye-movement #neural-circuits

health2 years ago•7 min saved

"Concussion Research Sheds Light on Long Covid"

Researchers are exploring the similarities between Long Covid and post-concussion syndrome, noting shared symptoms like fatigue and cognitive issues. They believe that understanding these parallels could lead to new diagnostic and treatment methods, potentially involving advanced imaging technologies and psychedelic drugs. This approach may also provide insights into related conditions like Chronic Fatigue Syndrome.

via BBC.com|

#brainstem #chronic-fatigue-syndrome #concussion

health2 years ago•5 min saved

"Deadly Brainstem Attack: Iatrogenic Fusarium Solani Meningitis"

Researchers found that the fungus Fusarium solani aggressively attacked the brainstem of patients who developed fungal meningitis after undergoing cosmetic procedures in Mexico. The contaminated epidural anesthesia introduced the fungus into the patients’ cerebrospinal fluid, leading to strokes, brain hemorrhages, and increased brain pressure. Early treatment is crucial, but many patients were not evaluated promptly. The outbreak was likely caused by contaminated morphine in the epidural solution, and experts warn of potential future fungal outbreaks. Patients considering medical tourism should consult healthcare providers, research facilities, and purchase travel insurance.

via NBC News|

#brainstem #epidural-contamination #fungal-meningitis

neuroscience2 years ago•4 min saved

Amygdala's Involvement in Seizure-Related Breathing Failure Revealed

Researchers have identified a potential brain mechanism associated with sudden unexpected death in epilepsy (SUDEP). By studying individuals with uncontrollable epilepsy, they found a correlation between the amygdala, a brain region involved in emotion processing, and postictal apnea, a dangerous pause in breathing after a seizure. Seizures originating in specific amygdala subregions may suppress breathing and the alarm signal of "air hunger," potentially through novel connections to the brainstem. These findings provide insights into SUDEP and open avenues for further research, preventive measures, and targeted treatments.

via Neuroscience News|

#amygdala #brainstem #breathing

neuroscience3 years ago•2 min saved

"The Brain's Pause Button: How It Temporarily Paralyzes Your Body"

Researchers at the University of Copenhagen have identified a group of cells in the brainstem called the pedunculopontine nucleus (PPN) that are responsible for a "freeze frame" effect, where the body enters a state of suspended animation. This discovery could help understand the progression of symptoms in neurodegenerative conditions like Parkinson's disease and potentially lead to better therapies. The PPN's malfunctioning may be linked to the slowed or arrested movements seen in individuals with Parkinson's.

via ScienceAlert|

#brainstem #freeze-frame #motor-arrest