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However, current literature has various definitions of both terms. Childhood blindness encompasses multiple diseases and conditions present in ages up to 16 years old, which can result in permanent blindness or severe visual impairment over time. [2] Congenital blindness is a hereditary disease and can be treated by gene therapy.
While cortical blindness results from lesions to primary visual cortex, visual agnosia is often due to damage to more anterior cortex such as the posterior occipital and/or temporal lobe(s) in the brain. [2] There are two types of visual agnosia, apperceptive and associative. Recognition of visual objects occurs at two levels. At an ...
Agnosias are sensory modality specific, usually classified as visual, auditory, or tactile. [2] [3] Associative visual agnosia refers to a subtype of visual agnosia, which was labeled by Lissauer (1890), as an inability to connect the visual percept (mental representation of something being perceived through the senses) with its related semantic information stored in memory, such as, its name ...
Normal text denotes a person (or chromosome from a person) who has normal colour vision and no defective gene, italics: has normal colour vision and a defective gene, and bold: is colour-blind. Source: Own work: Author: Cmglee: SVG development
Photos of what pregnancy tissue from early abortions at 5 to 9 weeks actually looks like have gone viral.. The images, which were originally shared by MYA Network — a network of physicians who ...
Visual impairment in art is a limited topic covered by research, with its focus being on how visually impaired people are represented in artwork throughout history. This is commonly portrayed through the inclusion of objects such as canes and dogs to symbolize blindness, [1] which is the most frequently depicted visual impairment in art.
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