For example, the occipital lobe takes information from the retina in the eye and translates it into the visual world. As such, it relies heavily on the eyes themselves. The eyes themselves also have muscles that need controlling. The motor cortex in the brain is responsible for these movements, therefore also playing a role in vision.
The temporal and occipital lobes share important interactions, as well. The temporal lobe gives meaning to the interpreted visual information from the occipital lobe. It also stores the information, to a degree, in the form of memories. In some cases, it may also be possible for other sections of the brain to compensate for any damage affecting the occipital lobe. Dysfunction in the occipital lobe may lead to one or more dysfunctions in the brain, vision, or everyday functioning.
It may cause or contribute to any of the following conditions. Because the occipital lobe deals with vision, one possible result of damage in this area is full or partial blindness. Loss of sight is not always straightforward, however, and the person may instead lose one or more specific functions of their vision.
Anton syndrome is a rare form of blindness that occurs without the person being aware of it. They may deny their vision loss, even if a healthcare professional presents evidence showing that they have vision loss.
Riddoch syndrome is a rare condition in which a person is only able to see moving objects. Stationary objects simply do not appear in their field of vision. The person can also not perceive shape or color. Epilepsy shares a link with the occipital lobe in some cases. If a person is more prone to occipital-type seizures or photosensitivity seizures, flashes of light or images that contain multiple colors may trigger these seizures.
The type of dysfunction to affect the body can vary based on where the dysfunction or injury occurs in the occipital lobe. Some possible examples include:. The occipital lobe is one of the four major lobes in the mammalian brain. The occipital lobe is mainly responsible for interpreting the visual world around the body, such as the shape, color, and location of an object.
It then relays this information to other parts of the brain, which give this visual information its meaning. Dysfunction in the occipital lobe may cause a number of bodily dysfunctions, such as irregular vision, difficulty standing, and blindness.
Some conditions, such as epilepsy, may also have a link to dysfunction in the occipital lobe. The human brain is a hugely complex organ, made of different areas that handle different functions. The jejunum is one of three sections that make up the small intestine. Learn about its function and anatomy, as well as the conditions that can affect…. Health Conditions Discover Plan Connect. Read this next. Leg Anatomy. Medically reviewed by William Morrison, M.
Spermatic cord Medically reviewed by the Healthline Medical Network. Corpus spongiosum penis Medically reviewed by the Healthline Medical Network. Coccygeal muscle Medically reviewed by the Healthline Medical Network. Jejunum Overview. Log In. Sign Up. Become a Gold Supporter and see no ads. Log in Sign up. Articles Cases Courses Quiz. About Recent Edits Go ad-free. Edit article. View revision history Report problem with Article.
Citation, DOI and article data. Loh, D. Occipital lobe. Reference article, Radiopaedia. Central Nervous System. URL of Article. On this page:. Quiz questions. Flores LP. Occipital lobe morphological anatomy: anatomical and surgical aspects. Arq Neuropsiquiatr. Huntgeburth SC, Petrides M. Morphological patterns of the collateral sulcus in the human brain. Looking for the lunate sulcus: a magnetic resonance imaging study in modern humans.
Bettencourt KC, Xu Y.
0コメント