In Anton syndrome, cortical blindness occurs, but patients do not notice it. The brain continues to produce images that affected individuals accept as images of the environment and thus fail to see their blindness. Patients often do not consent to treatment because of their lack of insight. What is Anton syndrome? Anton syndrome is characterized … Anton Syndrome: Causes, Symptoms & Treatment
Without the parietal lobe, humans would not be able to perform spatial reasoning, haptic perceptions, or the controlled execution of hand and eye movements. The cerebral area, which is particularly important for sensory perception, lies between the temporal, frontal, and occipital lobes and, as part of the central nervous system, can be involved in many, … Parietal Lobe: Structure, Function & Diseases
Age-related forgetfulness is also known as mild cognitive impairment. This is a memory impairment in the form of a decreased ability to concentrate on a task or remember things for a longer period of time. What is age-related forgetfulness? Age forgetfulness is a memory disorder in the form of a decreased ability to focus on … Age-related Forgetfulness: Causes, Symptoms & Treatment
Patients with metamorphopsia suffer from subjectively perceived visual disturbances. The cause of this phenomenon is usually psychological or neurogenic, and the visual disturbance can take different forms from distortions to changes in proportion. Treatment depends on the cause. What is metamorphopsia? From an evolutionary biology point of view, the sense of vision is one of … Metamorphopsia: Causes, Symptoms & Treatment
Hydrocephalus can affect adults and children. Dilated cerebral ventricles can affect brain functions in hydrocephalus. Although hydrocephalus cannot be cured, it can be treated. What is hydrocephalus? Hydrocephalus is an abnormal enlargement of the fluid-filled fluid spaces (ventricles) of the brain. It is also called hydrocephalus or dropsy. Click to enlarge. The clinical picture of … Hydrocephalus: Causes, Symptoms & Treatment
Mydriasis is the dilation or widening of the pupil. This reduces the total iris area, increases intraocular pressure, and decreases aqueous humor leakage. During the Renaissance, pupil dilation was even fashionable and looked attractive at the time, which is why people dripped various substances into their eyes for cosmetic reasons, such as the juice of … Mydriasis: Function, Tasks, Role & Diseases
The vestibulospinal reflex is a brainstem reflex whose circuitry involves the vestibular organ and nuclei vestibulares. Activation of the reflex causes contraction of the extensor muscles while inhibiting the flexor muscles of the extremities. In decerebration rigidity, the reflex becomes prominent. What is the vestibulospinal reflex? A brainstem reflex is known as the vestibulospinal reflex, … Vestibulospinal Reflex: Function, Role & Diseases
Vitamin K deficiency is one of the hypovitaminoses. However, it occurs only rarely. What is vitamin K deficiency? Vitamin K deficiency is said to occur when not enough vitamin K is produced by the intestinal bacteria or ingested with food. The cause of the deficiency is usually certain diseases or a faulty diet. Vitamin K … Vitamin K Deficiency: Causes, Symptoms & Treatment
The term spasticity or spasticity comes from the Greek and means something like “cramp”. Accordingly, spasticity is a hardening and stiffening of muscles, causing movements to become uncontrollable. What is spasticity? Spasticity or spasticity is not a disease in its own right, but a symptom of a disease or injury to the central nervous system. … Spasticity: Causes, Symptoms & Treatment
Moyamoya disease is a disease that affects the vessels of the brain. As a result of the disease, the vessels in the area of the brain spontaneously close. The occlusion occurs over a long period of time due to fibrous remodeling in the area of the base of the brain. Often, the remodeling occurs in … Moyamoya Disease: Causes, Symptoms & Treatment
Vitreous hemorrhage can have several causes. In many cases, medical treatment is limited. However, hemorrhages often resolve on their own. What is a vitreous hemorrhage? In a present vitreous hemorrhage, blood enters the so-called vitreous cavity of the human eye. The vitreous humor occupies about 80% of the available space in the human eyeball and … Vitreous Hemorrhage: Causes, Symptoms & Treatment
A stroke or cerebrovascular accident is an acute disease of the brain, in which mostly a sudden blockage or bleeding in the blood vessels of the brain cause a lack of oxygen supply. A stroke is an emergency that requires immediate urgent medical attention. What is a stroke? Infographic on the anatomy and causes of … Stroke: Causes, Symptoms & Treatment
