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The phenomenon was first described by Francis Galton in 1880 in a statistical study about mental imagery. [2] Galton wrote: To my astonishment, I found that the great majority of the men of science to whom I first applied, protested that mental imagery was unknown to them, and they looked on me as fanciful and fantastic in supposing that the words "mental imagery" really expressed what I ...
Apophenia (/ æ p oʊ ˈ f iː n i ə /) is the tendency to perceive meaningful connections between unrelated things. [1]The term (German: Apophänie from the Greek verb: ἀποφαίνειν, romanized: apophaínein) was coined by psychiatrist Klaus Conrad in his 1958 publication on the beginning stages of schizophrenia. [2]
While cortical blindness results from lesions to primary visual cortex, visual agnosia is often due to damage to more anterior cortex such as the posterior occipital and/or temporal lobe(s) in the brain. [2] There are two types of visual agnosia, apperceptive and associative. Recognition of visual objects occurs at two levels. At an ...
Anomic aphasia, also known as dysnomia, nominal aphasia, and amnesic aphasia, is a mild, fluent type of aphasia where individuals have word retrieval failures and cannot express the words they want to say (particularly nouns and verbs). [1]
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.
Hyperthymesia, also known as hyperthymestic syndrome or highly superior autobiographical memory (HSAM), is a condition that leads people to be able to remember an abnormally large number of their life experiences in vivid detail.
The person instead processes faces, bodies, objects, rooms, places, pictures in a bit-by-bit fashion. [17] When looking at a picture they can describe the parts of the picture but struggle to comprehend the picture as a whole. Simultagnosia occurs in Bálint syndrome [18] but may also occur in brain injury. This condition can also be described ...
The right hemisphere, particularly frontal right hemisphere circuits, [7] is involved in processing self-related stimuli and helps one recognize a picture or reflection of oneself. [8] An impairment in the right hemisphere, the likely source of the "self" in the brain, can inhibit one's ability to recognize faces, especially one's own.