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There are several psychological and physiological effects that cause blindness to some visual stimulus. Banner blindness or ad blindness, consciously or subconsciously ignoring banner-like advertisements at web pages. Change blindness, the inability to detect some changes in busy scenes.
The following criteria are required to classify an event as an inattentional blindness episode: 1) the observer must fail to notice a visual object or event, 2) the object or event must be fully visible, 3) observers must be able to readily identify the object if they are consciously perceiving it, [3] and 4) the event must be unexpected and the failure to see the object or event must be due ...
Alexithymia, also called emotional blindness, [1] is a neuropsychological phenomenon characterized by significant challenges in recognizing, expressing, feeling, sourcing, [2] and describing one's emotions. [3] [4] [5] It is associated with difficulties in attachment and interpersonal relations. [6]
Ganzfeld effect – Psychological phenomenon Hypnagogia – State of consciousness leading into sleep Anton–Babinski syndrome – Rare symptom of brain damage where those affected deny being blind Pages displaying short descriptions of redirect targets
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]
A scotoma may include and enlarge the normal blind spot. Even a small scotoma that happens to affect central or macular vision will produce a severe visual disability, whereas a large scotoma in the more peripheral part of a visual field may go unnoticed by the bearer because of the normal reduced optical resolution in the peripheral visual field.
Especially pertinent is the analysis of how cerebral achromatopsia affects his practice as a painter and artist. Descriptions of cerebral achromatopsia's effects on his psychological health and visual perception are especially striking. For instance, in recounting Mr. I.'s descriptions of flesh and foods, the authors write:
Though comparatively little research has been done on change blindness in other animals, a few species of animals exhibited the same effects of change blindness as humans. Using the same motion detection paradigm for monkeys as humans, researchers found the results were the same in showing change blindness in motion. [24]