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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 can occur between nearly any two senses or perceptual modes, and at least one synesthete, Solomon Shereshevsky, experienced synesthesia that linked all five senses. [17] Types of synesthesia are indicated by using the notation x → y , where x is the "inducer" or trigger experience, and y is the "concurrent" or additional experience.
Synesthesia is when input from one sense triggers the brain to associate it with another sensory experience. Dr. Hersh: Synesthesia occurs when more than one sense is experienced simultaneously ...
In both humans and non-human primates, the auditory dorsal stream is responsible for sound localization, and is accordingly known as the auditory 'where' pathway. In humans, this pathway (especially in the left hemisphere) is also responsible for speech production, speech repetition, lip-reading, and phonological working memory and long-term ...
Chromesthesia or sound-to-color synesthesia is a type of synesthesia in which sound involuntarily evokes an experience of color, shape, and movement. [ 1 ] [ 2 ] Individuals with sound-color synesthesia are consciously aware of their synesthetic color associations/ perceptions in daily life. [ 3 ]
Another lesion that involves impairment in language production and processing is apraxia of speech, a difficulty synchronizing articulators essential for speech production. [2] This type of lesion is located in the superior pre-central gyrus of the insula, and is more likely to occur in patients with Broca's aphasia. [2]
Many modern theories suggest that synesthesia is a result of differences that occur during the neuro-developmental process of maturation. It is possible that incomplete synaptic pruning during childhood development could lead to the continued maintenance of connections that are normally severed in the process. The maintenance of these ...
From the questionnaire, it was determined that approximately 1.5% of the population experienced mirror-touch synesthesia symptoms. Further studies have shown the prevalence to be 1.6%, meaning that this condition is one of the more common types of synesthesia, along with grapheme-color synesthesia (1.4%) and day-color synesthesia (2.8%). [6]