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Psychologists and neuroscientists study synesthesia not only for its inherent appeal but also for the insights it may give into cognitive and perceptual processes that occur in synesthetes and non-synesthetes alike. Synesthesia is now the topic of scientific books and papers, Ph.D. theses, documentary films, and even novels. [citation needed]
Studies have looked further into determining whether amputees actually experience mirror touch synesthesia. Four amputees were recruited in a study and asked to observe an assistant's arm being touched at various angles. 61 out of the 64 trials experienced mirror-touch sensations, and when the arm was wiggled, they enhanced the sensations.
Alternatively, synesthesia may arise through "disinhibited feedback" or a reduction in the amount of inhibition along feedback pathways (Grossenbacher & Lovelace 2001).It is well established that information not only travels from the primary sensory areas to association areas such as the parietal lobe or the limbic system, but also travels back in the opposite direction, from "higher order ...
Synesthesia is a neurological condition in which two or more bodily senses are coupled. For example, in a form of synesthesia known as grapheme-color synesthesia, letters or numbers may be perceived as inherently colored. Historically, the most commonly described form of synesthesia (or synesthesia-like mappings) has been between sound and ...
In Flournoy's 1893 reports on OLP, one synesthete identified as Mme L. reports that "1, 2, 3 are children without fixed personalities; they play together. 4 is a good peaceful woman, absorbed by down-to-earth occupations and who takes pleasure in them. 5 is a young man, ordinary and common in his tastes and appearance, but extravagant and self-centered. 6 is a young man of 16 or 17, very well ...
By this technique he has tested and analyzed thousands of synesthetes, [58] and has written a book on synesthesia with Richard Cytowic, entitled Wednesday is Indigo Blue: Discovering the Brain of Synesthesia. [7] Eagleman has proposed that sensory processing disorder, a common characteristic of autism, [citation needed] may be a form of ...
The genetic mechanism of synesthesia has long been debated, with researchers previously claiming it was a single X-linked trait due to seemingly higher prevalence in women and no evidence of male-male transmission [1] This is where the only synesthetic parent is male and the male child has synesthesia, [2] [3] meaning that the trait cannot be solely linked to the X chromosome.
Brogaard's lab has also studied the cognitive mechanisms underlying grapheme–color synesthesia, one of the most common forms of synesthesia. [42] Using a novel visual search paradigm to examine whether synesthetic colors guide the subject's attention to the location of the target they found that synesthetic experience requires selective ...