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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.
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.
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."
Sensory processing disorder is present in many people with dyspraxia, autism spectrum disorder, and attention deficit hyperactivity disorder (ADHD). Individuals with SPD may inadequately process visual , auditory , olfactory (smell), gustatory (taste), tactile (touch), vestibular (balance), proprioception (body awareness), and interoception ...
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.
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.
Wilding and Valentine searched for people claiming to have an eidetic or otherwise superior memory via public media. Out of the 31 people who called in, only three actually had a significantly above-average but not eidetic memory. [8] Further cause for skepticism is given by a non-scientific event: The World Memory Championships. Held since ...
These two senses perceive the same objects in the world in different ways, and by combining the two, they help us understand this information better. [17] Vision dominates our perception of the world around us. This is because visual spatial information is one of the most reliable sensory modalities.