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Since the patient was capable of feeling emotions and recognizing faces but could not feel emotions when recognizing familiar faces, Ramachandran hypothesizes the origin of Capgras syndrome is a disconnection between the temporal cortex, where faces are usually recognized (see temporal lobe), and the limbic system, involved in emotions.
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.
Prosopamnesia presents itself in patients as an inability to recognize people they have previously encountered based on their faces. In this way, it is very easily mistaken as prosopagnosia, which is an inability to perceive or recognize faces. Prosopagnosia is a deficit that occurs earlier in the neural circuit while the facial stimuli is ...
The Man Who Mistook His Wife for a Hat and Other Clinical Tales is a 1985 non-fiction book by neurologist Oliver Sacks describing the case histories of some of his patients. Sacks chose the title of the book from the case study of one of his patients who has visual agnosia , [ 1 ] a neurological condition that leaves him unable to recognize ...
Patients with prosopagnosia have damage to the Fusiform Face Area (FFA) and are unable to recognize upright faces. C.K. has no difficulty with face processing and matches the performance of controls when tasked with identifying upright famous faces. When shown inverted faces of famous people, C.K. performs significantly worse than controls.
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[149] [150] [151] [91] People with schizophrenia demonstrate worse accuracy and slower response time in face perception tasks in which they are asked to match faces, remember faces, and recognize which emotions are present in a face. [91] People with schizophrenia have more difficulty matching upright faces than they do with inverted faces. [149]
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