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Cranial Nerves: Types Part I

Cranial Nerves: Types Part I

Cranial nerves are responsible for transmitting motor and sensory information between the brain and various parts of the body. There are twelve pairs of cranial nerves, with the first six being essential in sensory perception, motor control, and autonomic functions related to the head and neck.
Olfactory Nerve (Cranial Nerve I)
The olfactory nerve, or cranial nerve I, is unique as it is purely sensory and dedicated to the sense of smell. This nerve originates in the olfactory epithelium of the...

Cranial Nerves: Overview and Anatomy

Cranial Nerves: Overview and Anatomy

The cranial nerves are an important part of the complex network of nerves in the human body. These nerves emerge directly from the brain and are responsible for transmitting essential information between the brain and various parts of the head and neck. There are 12 pairs of cranial nerves, systematically numbered using Roman numerals from I to XII, beginning from the anterior and moving to the posterior of the brain. Each cranial nerve is uniquely identified by names that reflect its function...

Botulism

Botulism

Botulism is a life-threatening neuroparalytic condition caused by botulinum neurotoxin, which is produced by the bacterium Clostridium botulinum, a Gram-positive, spore-forming, obligate anaerobe.In adults, the toxin enters the body in different ways: in foodborne botulism, the preformed toxin is absorbed in the intestine. In wound botulism, spores grow in injured tissue and release the toxin into the blood. Infant botulism differs mechanistically from adult forms. In infants, botulism commonly...

Local Anesthetics: Differential Sensitivity of Nerve Fibers

Local Anesthetics: Differential Sensitivity of Nerve Fibers

Local anesthetics (LAs) block the sodium channels of nerve trunks, sensory nerve endings, and neuromuscular junctions. Although LAs can block all kinds of nerves, the sensitivity of nerve fibers differs according to nerve types and structures. LAs are known to block myelinated fibers faster than unmyelinated ones. Also, they block pain or sensory neurons at low concentrations without affecting the motor neurons involved in muscle contractions. This helps relieve labor pain without affecting the...

Cranial Nerves: Types Part II

Cranial Nerves: Types Part II

Cranial nerves are responsible for transmitting motor and sensory information between the brain and various parts of the body. There are twelve pairs of cranial nerves. While the first six innervate the head and neck, the latter six nerves innervate the head and neck, as well as organs and tissues in the thoracic and abdominal cavities. They facilitate communication, expression, and autonomic control within the human body.
Facial Nerve (Cranial Nerve VII)
Cranial nerve VII, or the facial nerve,...

Prosopagnosia

Prosopagnosia

Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...

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Related Experiment Video

Updated: Jun 5, 2026

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer

Published on: March 1, 2015

[Internet information availability about facial nerve paralysis].

Jun Suzuki¹, Toshimitsu Kobayashi

¹Department of Otorhinolaryngology, Head and Neck Surgery, Tohoku University School of Medicine, Sendai.

Nihon Jibiinkoka Gakkai Kaiho

|December 24, 2010

Summary

This summary is machine-generated.

Online information on facial nerve paralysis varies greatly in quality. Reliable resources, particularly from public institutions, are scarce, with many sites promoting alternative therapies.

More Related Videos

Facial Nerve Surgery in the Rat Model to Study Axonal Inhibition and Regeneration

Facial Nerve Surgery in the Rat Model to Study Axonal Inhibition and Regeneration

Published on: May 5, 2020

Related Experiment Videos

Last Updated: Jun 5, 2026

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer

Published on: March 1, 2015

Facial Nerve Surgery in the Rat Model to Study Axonal Inhibition and Regeneration

Facial Nerve Surgery in the Rat Model to Study Axonal Inhibition and Regeneration

Published on: May 5, 2020

Area of Science:

Otorhinolaryngology
Neurology
Digital Health Communication

Context:

The internet is a primary source for medical information.
Facial nerve paralysis has diverse causes and requires multidisciplinary expertise.
Numerous websites offer varying quality and reliability of information on this condition.

Purpose:

To assess the availability and quality of internet information on facial nerve paralysis.
To compare information sources across different search engines and regions.

Summary:

A review of the top 50 websites from Google Japan, Yahoo Japan, and Google USA for "facial nerve paralysis" was conducted.
Japanese search results predominantly featured commercial acupuncture and moxibustion sites (40%), with few public institution resources.
US search results offered more comprehensive and accurate information, primarily from Western medicine practitioners.

Impact:

The quality and reliability of online facial nerve paralysis information are inconsistent.
There is a significant lack of high-quality, reliable web resources, especially from public health institutions.
Patients seeking information on facial nerve paralysis may encounter unreliable or biased content.