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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.
These variants of visual agnosia include prosopagnosia (inability to recognize faces), pure word blindness (inability to recognize words, often called "agnosic alexia" or "pure alexia"), agnosias for colors (inability to differentiate colors), agnosias for the environment (inability to recognize landmarks or difficulty with spatial layout of an ...
A specific form of associative visual agnosia is known as prosopagnosia. Prosopagnosia is the inability to recognize faces. For example, these individuals have difficulty recognizing friends, family and coworkers. [22] However, individuals with prosopagnosia can recognize all other types of visual stimuli. [23]
Apperceptive agnosia is a neurological disorder characterized by failures in recognition due to a failure of perception.In contrast, associative agnosia is a type of agnosia where perception occurs but recognition still does not occur. [1]
The individual essays in this book include: Part One: "The Man Who Mistook His Wife for a Hat", about Dr. P., a singer and music teacher who has visual agnosia.He perceives separate features of objects, but cannot correctly identify them or the whole objects that they are part of.
A new case study finds evidence of prosopagnosia and other neuropsychological problems in a 28-year-old long-COVID patient. Woman develops 'face blindness' at 28. Researchers think COVID-19 is cause
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.
Finger agnosia, first defined in 1924 by Josef Gerstmann, is the loss in the ability to distinguish, name, or recognize the fingers—not only the patient's own fingers, but also the fingers of others, and drawings and other representations of fingers. [1]