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Stimuli of the senses can include sound that one hears, foods that one tastes, textures that one feels, and so forth. Increased touch sensitivity is referred to as "tactile hyperesthesia", and increased sound sensitivity is called "auditory hyperesthesia".
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.
When a person has become blind, in order to “see” the world, their other senses become heightened. An important sense for the blind is their sense of touch, which becomes more frequently used to help them perceive the world. People that are blind have displayed that their visual cortices become more responsive to auditory and tactile ...
The hypersensitivity of people with PTSD to sensory stimuli is supported by an augmented P300 event-related potential response compared to healthy controls which indicates a semi-permanent heightened attention to deviant and salient stimuli. [9] Obsessive–compulsive disorder (OCD) [11]
People with high SPS report having a heightened response to stimuli such as pain, caffeine, hunger, and loud noises. [6] According to Boterberg et al., these individuals are "believed to be easily overstimulated by external stimuli because they have a lower perceptual threshold and process stimuli cognitively deeper than most other people."
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.
(Reuters) - Police in New York City said on Tuesday they were on a "heightened" security footing as Halloween revelers took to the streets at a time of tension over the Israel-Palestinian conflict ...
The intensity of the synesthetic touch is not affected by the location of the observed touch (arm, leg, hand, etc.); however, it is sometimes affected by the spatial orientation of the observed touch. When crossed hands are touched, the hands become uncrossed in the perception of synesthetes. However, when the observed hand is upside down, the ...