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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.
In the book, various synesthetes start behaving strangely as their senses are heightened due to some mysterious cause. In Sharon M. Draper's Out of My Mind the main character is a brilliant, yet severely disabled, preteen with synesthesia, but without the ability to speak a single word. She is able to hear the colors of music and remember old ...
One study that sought to locate the neural differences between these and people with typical memory abilities using fMRI, was unable to find any differences. For mnemonists, the right cingulate cortex , ventral fusiform cortex , and left posterior inferior frontal sulcus were more active for digit span memorization (a feat mnemonists are often ...
One day after several hours together, she was asked to close her eyes and tell what her two interviewers were wearing. She was unable to do so. There is a distinction between those with hyperthymesia and those with other forms of exceptional memory , who generally use mnemonic or similar rehearsal strategies to memorize long strings of information.
People with fibromyalgia are hypersensitive to intense stimuli such as bright lights, loud noises, perfumes, and cold temperatures; people with the condition also have hyper-excitable nociceptors. [29] When people with fibromyalgia are subjected to intense stimuli, they experience sensory overload in the form of pain.
The 1964 Marvel character Daredevil is a superhero who uses his heightened senses paired with echolocation to perceive the world in extraordinary detail. [31] In the 2007 children's fantasy novel Gregor and the Code of Claw, protagonist Gregor learns echolocation. This skill proves useful for fighting in the Underland, an underground ...
Hyperphantasia is the condition of having extremely vivid mental imagery. [1] It is the opposite condition to aphantasia, where mental visual imagery is not present. [2] [3] The experience of hyperphantasia is more common than aphantasia [4] [5] and has been described as being "as vivid as real seeing". [4]
Hyperosmia is an increased olfactory acuity (heightened sense of smell), usually caused by a lower threshold for odor. [1] This perceptual disorder arises when there is an abnormally increased signal at any point between the olfactory receptors and the olfactory cortex.