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Prosopometamorphopsia (PMO), [1] also known as demon face syndrome, [2] is a neurological disorder characterized by altered perceptions of faces. In the perception of a person with the disorder, facial features are distorted in a variety of ways including drooping, swelling, discoloration, and shifts of position.
Prosopagnosia, [2] also known as face blindness, [3] is a cognitive disorder of face perception in which the ability to recognize familiar faces, including one's own face (self-recognition), is impaired, while other aspects of visual processing (e.g., object discrimination) and intellectual functioning (e.g., decision-making) remain intact.
For example, a stroke affecting the right parietal lobe of the brain can lead to neglect for the left side of the visual field, causing a patient with neglect to behave as if the left side of sensory space is nonexistent (although they can still turn left). In an extreme case, a patient with neglect might fail to eat the food on the left half ...
However, action potentials in this system are not being received by the second or third thoracic vertebrae which innervates the face, neck, and upper chest. [3] Harlequin syndrome,caused by a defect in sympathetic innervation. Damage or lesions near T2 or T3 could be between the stellate ganglion and superior cervical ganglion. This is where we ...
Right image: MRI brain with contrast showing near resolution of enhancement after treatment. The diagnosis of neurosarcoidosis often is difficult. Definitive diagnosis can only be made by biopsy (surgically removing a tissue sample). Because of the risks associated with brain biopsies, they are avoided as much as possible.
Often, the brain is able to compensate for some of this damage, due to an ability called neuroplasticity. MS symptoms develop as the cumulative result of multiple lesions in the brain and spinal cord. This is why symptoms can vary greatly between different individuals, depending on where their lesions occur.
For centuries, people have claimed that green tea has many health benefits. These may include reducing the risk of cardiovascular disease, maintaining skin health, promoting weight loss, and even ...
Lesion studies using patients with prosopagnosia show that brain damage overlapping with the OFA is associated with impaired facial recognition. [7] TMS studies using healthy participants have shown that temporary inactivation of the OFA can produce deficits in various aspects of face perception including face recognition, face identity ...