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DIAGNOSIS Definition & Meaning - Merriam-Webster
The meaning of DIAGNOSIS is the art or act of identifying a disease from its signs and symptoms. How to use diagnosis in a sentence.

Diagnosis | Definition, Types, Examples, & Facts | Britannica
Diagnosis, the process of determining the nature of a disease or disorder and distinguishing it from other possible conditions. The term comes from the Greek gnosis, meaning knowledge.

What Is a Diagnosis? Meaning, Types, and Process
A diagnosis is a formal identification of a disease, condition, or injury based on a person’s symptoms, medical history, physical examination, and test results.

Diagnosis - Wikipedia
Diagnosis (pl.: diagnoses) is the identification of the nature and cause of a certain phenomenon. Diagnosis is used in a lot of different disciplines, with variations in the use of logic, analytics, and experience, to determine "cause and effect".

DIAGNOSIS | English meaning - Cambridge Dictionary
DIAGNOSIS definition: 1. a judgment about what a particular illness or problem is, made after examining it: 2. a…. Learn more.

DIAGNOSIS Definition & Meaning | Dictionary.com
When a doctor tells you why you're feeling ill, he gives you a diagnosis. He asks questions, checks your symptoms, and then identifies what's making you sick. Diagnosis is a medical term, but you can diagnose lots of things: problems in a relationship, a coming economic crisis, or the reason the car won't start.

Symptom Checker with Body from WebMD - Check Your Medical Symptoms
WebMD Symptom Checker is designed with a body map to help you understand what your medical symptoms could mean, and provide you with the trusted information you need to help make informed decisions...

Diagnosis | definition of diagnosis by Medical dictionary
diagnosis The process of identifying a disease based on a person’s signs and symptoms, which may be gleaned from a simple physical examination or require ancillary testing, lab work, imaging studies, etc.

Diagnosis - Health, United States - Centers for Disease Control and ...
For a given medical care encounter, the first-listed diagnosis can be used to categorize the visit, or if more than one diagnosis is recorded on the medical record, the visit can be categorized based on all diagnoses recorded.

What is a Diagnosis? - News-Medical.net
Diagnosis depends on a framework of clinical reasoning, or what is termed clinical decision-making. It has been described as a " pre-existing set of categories agreed upon by the medical...

* Neurology101 LATEST NEWS *

                    *Filter: "Diagnosis"

MS Treatment Choices: Expert Tips for the Generalist  Medscape
Treatment for Celine Dion's diagnosis shows promising early results  USA Today
Wernicke’s Encephalopathy Following Glucagon-like Peptide-1 (GLP-1) Receptor Agonist Use: A Case Report  Cureus
Clinician Communication About Uncertainty During Parkinson Disease Diagnostic Consultations  Neurology® Journals
The Potential Legal Ramifications of Christina Applegate’s MS Misdiagnosis  Neurology Advisor
Video EEG Reveals Key Differences in Pediatric and Adult Functional Seizures  Bioengineer.org
National MS Society funds research for earlier disease detection  News-Medical
Towards biomarker-based diagnosis of Parkinson disease  Nature
For Alzheimer’s Disease, New Treatments Offer Hope - Early Diagnosis is Key | Neurology Department  School of Medicine | University of Utah
Unraveling Neonatal Neurology: Diagnosis, Management, and Lifelong Impact  Science Partner Journals
Rare Cysteine-Sparing NOTCH3 Mutation Presents as Focal Epilepsy in CADASIL Case  Bioengineer.org
A Faster Way to Diagnose Multiple Sclerosis The Central Vein Sign in Routine Clinical Practice  Neurology® Journals
FDA Neurology Digest: October 2026  Medscape
Harnessing artificial intelligence for the diagnosis and treatment of neurological emergencies: a comprehensive review of recent advances and future directions  Frontiers
Diagnosis of multiple sclerosis: 2024 revisions of the McDonald criteria  The Lancet

Common Neurological Symptoms & Warning Signs

Persistent or Sudden Severe Headaches — Onset of unusually intense headaches, sudden thunderclap onset, or chronic pain accompanied by nausea and visual disruptions.
Numbness, Tingling, or Paresthesia — Loss of sensation, burning, or a "pins and needles" feeling in the extremities, often signaling peripheral neuropathy or nerve compression.
Focal Muscle Weakness or Paralysis — Sudden or progressive loss of muscle strength, facial drooping, or difficulty lifting objects, commonly associated with stroke or nerve disorders.
Seizures and Convulsions — Sudden, uncontrolled electrical disturbances in the brain leading to involuntary muscle spasms, loss of consciousness, or brief absence spells.
Vertigo, Dizziness, and Loss of Balance — Sensations of spinning, unsteady gait, or uncoordinated movement (ataxia), pointing toward vestibular or cerebellar dysfunction.
Cognitive Decline and Memory Impairment — Uncharacteristic confusion, difficulty retrieving words, disorientation, or short-term memory loss impacting daily functioning.
Visual Disturbances and Diplopia — Unexplained double vision, temporary loss of vision in one eye, or sudden blurred vision stemming from optic nerve issues or brain lesions.
Dysarthria and Speech Difficulties — Slurred speech, trouble articulating words, or difficulty comprehending spoken language due to motor speech pathway impairment.

Key Milestones in the History of Neurology

Edwin Smith Papyrus (c. 1600 BCE) — The earliest known medical document describing brain anatomy, cranial sutures, and meninges, detailing head trauma cases in ancient Egypt.
Hippocratic Corpus (c. 400 BCE) — Hippocrates challenged mystical beliefs by identifying the brain, rather than the heart, as the seat of human intelligence, sensation, and emotion.
Vesalius and De Humani Corporis Fabrica (1543) — Andreas Vesalius provided detailed anatomical drawings of the human nervous system, correcting centuries of Galenic anatomical errors.
Discovery of Cerebral Localization (1861) — Paul Broca demonstrated localized speech production functions in the frontal lobe through post-mortem studies of aphasic patients.
Establishment of the Neuron Doctrine (1891–1906) — Santiago Ramón y Cajal and Camillo Golgi revealed that the nervous system consists of discrete individual cells rather than a continuous net.
Invention of Electroencephalography (1924) — Hans Berger recorded the first human brain waves (EEG), revolutionizing epilepsy diagnosis and sleep cycle monitoring.
Development of Neuroimaging Techniques (1970s–1980s) — Godfrey Hounsfield developed Computed Tomography (CT) and Raymond Damadian pioneered MRI, transforming non-invasive brain visualization.
Discovery of Neuroplasticity (Late 20th Century) — Researchers demonstrated that the adult brain reorganizes neural pathways in response to learning, environmental changes, and injury recovery.

Current Neurology Research & Breakthroughs

Blood-Based Biomarkers for Early Alzheimer's Detection — Advances in blood tests tracking amyloid and tau levels allow for faster, non-invasive diagnosis before major cognitive decline occurs.
Adaptive Deep Brain Stimulation (aDBS) in Parkinson's — Closed-loop DBS systems now record real-time neural activity to dynamically adjust stimulation, significantly improving motor fluctuations.
Disease-Modifying Gene Therapies for Neurodegeneration — Novel viral vector therapies target genetic root causes to slow progression in rare conditions like Huntington's disease and ALS.
Precision Immunotherapies for Neuromuscular Disorders — Targeted monoclonal antibody treatments offer faster-acting, long-term disease management for autoimmune conditions like Myasthenia Gravis and CIDP.
Brain-Computer Interfaces (BCI) for Paralysis Recovery — High-density microelectrode arrays decode neural intent into real-time digital text and prosthetic movement for spinal cord injury patients.
Neuroinflammation and Microglial Modulation in Stroke — Investigational therapies focusing on microglial activation show promise in minimizing secondary brain injury following acute ischemic events.
Focused Ultrasound (FUS) Blood-Brain Barrier Opening — Non-invasive MRI-guided ultrasound temporarily opens the blood-brain barrier to deliver targeted chemotherapies directly into brain tumors.
Single-Cell RNA Sequencing in Epilepsy Therapeutics — Transcriptomic profiling identifies specific neuronal subpopulations causing drug-resistant seizures, opening pathways for targeted drug design.