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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.
Prosopometamorphopsia (PMO [1]), also known as demon face syndrome, [2] is a visual 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.
The face inversion effect is thus partly caused by less efficient schemes for processing the less familiar inverted form of faces. [21] This makes the face-scheme incompatibility model similar to the perceptual learning theory, because both consider the role of experience important in the quick recognition of faces. [20] [21]
normal formation of non-face memories (e.g. places, objects, patterns, words, etc.) In the case of acquired prosopamnesia, recognition of faces must correspond to the timing of the injury, i.e. faces learned before the injury are recognized as familiar and faces encountered after the injury are perceived as unfamiliar. [4]
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]
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The fusiform face area (FFA, meaning spindle-shaped face area) is a part of the human visual system (while also activated in people blind from birth) [1] that is specialized for facial recognition. [2] It is located in the inferior temporal cortex (IT), in the fusiform gyrus (Brodmann area 37).
Super recogniser" is a term coined in 2009 by Harvard and University College London researchers for people with significantly better-than-average face recognition ability. [1] [2] Super recognisers are able to memorise and recall thousands of faces, often having seen them only once. [3]