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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.

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...

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 | 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 | 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 - 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 vs. Diagnoses - Which is Correct?
Diagnosis or Diagnoses – Which is Correct? Both diagnosis and diagnoses are correct, but they are used in different contexts. Diagnosis is the singular form, while diagnoses is the plural form. Understanding when to use each form is crucial for clarity in medical discussions.

ICD-10 Lookup - Free 2027 ICD-10-CM Code Search | ICD List
Look up any of the 74,879 billable ICD-10-CM diagnosis codes for fiscal year 2027 by code, condition, synonym, or clinical abbreviation. Smart Search matches codes with or without the decimal point and understands the terms coders actually type.

Diagnosis vs. Prognosis: What's The Difference? | Merriam-Webster
A diagnosis is an identification of a disease via examination. What follows is a prognosis, which is a prediction of the course of the disease as well as the treatment and results.

* Neurology101 LATEST NEWS *

                    *Filter: "Diagnosis"

ABNORMAL Score for the Etiologic Triage of Parkinsonism: Development and Apparent Diagnostic Performance  Cureus
Patrick Stewart's Death Highlights Lewy Body Dementia  MedPage Today
Neuro-Oncologist Answers Common Questions About Brain Cancer Diagnosis and Treatment  Cure Today
Months-Long Waits May Delay Early Alzheimer’s Diagnosis  Medscape
Christina Applegate puts a face on one of the most consequential challenges in neurology  STAT
Longitudinal inflammatory and neurodegenerative outcomes in cerebral amyloid angiopathy-related inflammation: a case series  Springer Nature Link
Global Incidence of Dementia Projected to Reach 24.7 Million by 2050  Neurology Advisor
Blood Tests Have Changed Alzheimer’s Diagnosis, USC Neurologist Helena Chui Says Ahead of Pasadena Talk  Pasadena Now
Clinician Communication About Uncertainty During Parkinson Disease Diagnostic Consultations  Neurology® Journals
Global ALS Leaders Convene to Transform Neuroscience Discovery into New Treatments  University of Miami
What is Lewy body dementia? About the condition Patrick Stewart had  Los Angeles Times
What PPMI’s Pre-Symptomatic Parkinson’s Cohort Teaches Sites About Biomarker-Driven Screening  The Clinical Trial Vanguard
Juvenile Dentatorubral-Pallidoluysian Atrophy (DRPLA) in a Patient From Northeastern Mexico: Whole-Genome Sequencing With ExpansionHunter as a Key Diagnostic Tool  Cureus
Towards biomarker-based diagnosis of Parkinson disease  Nature
Med Op-Ed: Parkinson Pandemic, Administrative Bloat, and LAAC  Medscape

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.