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Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]
Neuroeconomics. Neuroeconomics is an interdisciplinary field that seeks to explain human decision-making, the ability to process multiple alternatives and to follow through on a plan of action. It studies how economic behavior can shape our understanding of the brain, and how neuroscientific discoveries can guide models of economics.
Visual apperceptive agnosia is a visual impairment that results in a patient's inability to name objects. [9] While agnosics suffer from severe deficits, patients' visual acuity and other visual abilities such as perceiving parts and colours remain intact. [6] Deficits seem to occur because of damage to early-level perceptual processing. [9]
Bálint's syndrome symptoms can be quite debilitating since they impact visuospatial skills, visual scanning and attentional mechanisms. [8] Since it represents impairment of both visual and language functions, it is a significant disability that can affect the patient's safety—even in one's own home environment, and can render the person incapable of maintaining employment. [9]
Anton syndrome, also known as Anton-Babinski syndrome and visual anosognosia, is a rare symptom of brain damage occurring in the occipital lobe. Those who have it are cortically blind , but affirm, often quite adamantly and in the face of clear evidence of their blindness , that they are capable of seeing.
Simultanagnosia (or simultagnosia) is a rare neurological disorder characterized by the inability of an individual to visually perceive more than a single object at a time. This type of visual attention problem is one of three major components (the others being optic ataxia and optic apraxia) of Bálint's syndrome, an uncommon and incompletely ...
Physical disability. A physical disability is a limitation on a person's physical functioning, mobility, dexterity or stamina. [1] Other physical disabilities include impairments which limit other facets of daily living, such as respiratory disorders, blindness, epilepsy [2] and sleep disorders.
Visual sociology attempts to study visual images produced as part of culture. Art, photographs, film, video, fonts, advertisements, computer icons, landscape, architecture, machines, fashion, makeup, hair style, facial expressions, tattoos, and so on are parts of the complex visual communication system produced by members of societies.