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Seizures ll: Types01:19

Seizures ll: Types

Seizures are sudden bursts of abnormal electrical discharge in the brain that interfere with normal function. They are commonly divided into three groups: focal seizures, generalized seizures, and other types that do not fit neatly into either category.Focal SeizuresFocal seizures begin in a single brain region. When awareness is preserved, they are called focal aware seizures and may cause sensations such as tingling, unusual smells, or flashing lights. When awareness is impaired, they are...
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Transient Ischemic Attack l: Introduction

A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...
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Comments on "Short-lasting, unilateral, neuralgiform headache attacks".

Annals of Indian Academy of Neurology·2019
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Corrigendum: Shortlasting, Unilateral, Neuralgiform, Headache Attacks With Conjunctival Injection, Tearing, Sweating and Rhinorrhea: The Term and New View Points.

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Shortlasting, Unilateral, Neuralgiform, Headache Attacks With Conjunctival Injection, Tearing, Sweating and Rhinorrhea: The Term and New View Points

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Related Experiment Video

Updated: May 26, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
10:39

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache

Published on: June 2, 2014

Tension-type headache: one or more headaches?

Ottar Sjaastad1

  • 1Department of Neurology, st. Olavs Hospital, Trondheim University Hospital, Norway. ellhed@online.no

Functional Neurology
|December 14, 2011
PubMed
Summary

Tension-type headache (T-TH) is likely not a single disease but a syndrome. Various conditions, from environmental factors to psychological and neck issues, can mimic T-TH symptoms, suggesting it

Area of Science:

  • Neurology
  • Internal Medicine
  • Psychiatry

Background:

  • Tension-type headache (T-TH) is a common neurological disorder.
  • Its underlying pathophysiology and classification remain subjects of debate.
  • Distinguishing T-TH from other headache disorders and secondary headaches is clinically significant.

Purpose of the Study:

  • To critically evaluate the homogeneity of tension-type headache.
  • To determine whether T-TH represents a distinct disease entity or a syndrome.

Main Methods:

  • Review of existing literature on T-TH.
  • Analysis of differential diagnoses for T-TH.
  • Exploration of potential etiological factors from diverse medical fields.

Main Results:

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Last Updated: May 26, 2026

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Technique and Considerations in the Use of 4x1 Ring High-definition Transcranial Direct Current Stimulation (HD-tDCS)
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Technique and Considerations in the Use of 4x1 Ring High-definition Transcranial Direct Current Stimulation (HD-tDCS)

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  • Evidence suggests T-TH is not a homogeneous disorder.
  • A multiplicity of conditions can present as T-TH.
  • These include environmental, psychological, and musculoskeletal (nuchal/cervical) disorders.

Conclusions:

  • Tension-type headache is likely a conglomerate of disorders rather than a single disease.
  • Reclassifying T-TH as a syndrome may improve diagnostic accuracy and treatment strategies.
  • Further research is needed to delineate the specific subtypes within T-TH.