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Related Concept Videos

Equilibrium and Balance01:15

Equilibrium and Balance

The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
Disorders of the Nervous Tissue01:28

Disorders of the Nervous Tissue

Nervous tissue is a vital component of the human body's communication system, enabling us to perceive and respond to stimuli. However, like all other tissues, it is vulnerable to disorders and diseases that can significantly impact our neurological functioning.
Homeostatic Imbalances:
Alzheimer's disease manifests as a gradual decline in memory and cognitive abilities, attributed to the buildup of amyloid plaques and neurofibrillary tangles in the brain.
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Secondary Spinal Cord Injury llI: Pathophysiology01:25

Secondary Spinal Cord Injury llI: Pathophysiology

Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...
Disorders of the Autonomic Nervous System01:18

Disorders of the Autonomic Nervous System

The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's phenomenon, is a...
Increased Intracranial Pressure ll: Pathophysiology01:29

Increased Intracranial Pressure ll: Pathophysiology

Increased intracranial pressure (ICP) refers to a potentially life-threatening rise in pressure inside the skull. This usually happens when there is a major change in the volume of brain tissue, blood, or cerebrospinal fluid (CSF) — the three components inside the skull. According to the Monro-Kellie doctrine, if the volume of one component increases, the volumes of the other components must decrease to maintain normal pressure. If this does not happen, ICP rises.The process often begins with...
Spinal Cord Injury ll: Pathophysiology01:14

Spinal Cord Injury ll: Pathophysiology

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Related Experiment Video

Updated: Jun 7, 2026

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

Published on: August 22, 2025

Neurologic complication after a roller coaster ride.

Davi Sa Leitao1, Dercio Mendonca, Harish Iyer

  • 1Department of Medicine, Albert Einstein Medical Center, Philadelphia, PA 19141, USA. saleitad@einstein.edu

The American Journal of Emergency Medicine
|October 29, 2010
PubMed
Summary

Roller coaster rides can rarely cause catastrophic neurologic complications like vertebral artery dissection and stroke. Prompt diagnosis and treatment are crucial for managing these rare but severe events.

Related Experiment Videos

Last Updated: Jun 7, 2026

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

Published on: August 22, 2025

Area of Science:

  • Neurology
  • Vascular Neurology
  • Radiology

Background:

  • Neurologic complications following roller coaster rides are rare but can be severe.
  • Physicians need a high index of suspicion for prompt diagnosis and investigation.

Observation:

  • A 22-year-old man presented with headache, vertigo, and gait ataxia after a roller coaster ride.
  • Brain MRI revealed a cerebellar infarct, and neck MRA showed right vertebral artery dissection.

Findings:

  • Cervicocephalic arterial dissection, a rare complication of roller coaster use, can lead to ischemic stroke.
  • The mechanism involves indirect trauma from rapid acceleration and directional changes causing intimal tears.

Implications:

  • Magnetic resonance angiography (MRA) with cervical MRI is a sensitive, noninvasive diagnostic tool.
  • Treatment decisions for cervicocephalic arterial dissection (anticoagulation vs. antiplatelets) should be individualized based on patient factors.