![]() In many cases, and an example that tends to have a strong effect is autotune Electronic sounds (and electronic music) can create tactile concurrents ThereĪre also people for whom voices are the main trigger. AlthoughĪpparently much less common, auditory-tactile synesthesia can also be promptedīy the different musical pitches (frequencies), keys or chords. It may be specific to each song or musical genre. Sensation, which is always consistent, so the inducer in this case is timbre. Instrument is felt in a different part of the body or has its own specific tactile Kind of sounds evoke auditory-tactile synesthesia?Ĭan be triggered by both musical and non-musical sounds, and it variesįrom person to person. It often coexists with auditory-visual synesthesia, giving rise to tactile and visual sensations at the same time. that the tactile feeling created by the sound is of a particular colour. It can sometimes be accompanied by a perception of colour, i.e. The tactile effect can be cumulative : with certain types of music it can sometimes only start after many seconds or a few minutes, increasing in intensity as the same sounds repeat. The quality of the sound also has an impact: both visual and tactile synesthesia tend to respond more strongly with good sound quality, listened to through good headphones, while a weaker response is caused by music that is distant or less surrounding. Also, the experiences can be milder or not occur at all if the person is feeling tense and nervous but tremendously strong in a case of very deep relaxation, similar to a state of advanced meditation. The degree of focus and relaxation is important: the tactile response tends to be strong and well-defined when the synesthete is relaxed and concentrating on the sound or music, and weaker or non-existent if they are concentrating on something else. Basically, the same sound heard under the same circumstances tends to evoke the same synesthetic tactile reaction (although there is little research on this subject). This article was originally published with the title "Seeing is Hearing: New Type of Synesthesia Discovered" in SA Mind 19, 4, 13 (August 2008)ĭoi:10.Some characteristics of auditory-tactile synesthesia: Her team is conducting brain-imaging studies to try to tease out the roots of that soundtrack as well as how a typical brain combines visual and auditory signals to improve perception.Įditor’s Note: This story was originally printed with the title “The Sound of Sight” “I think of these people as having an enhanced soundtrack in life,” Saenz says. ![]() In contrast, synesthetes-who reported hearing sounds such as beeps or taps in time with the visual signals-distinguished matching from nonmatching rhythms 75 percent of the time. On the visual trials, nonsynesthetes’ judgments fell to nearly chance levels, a result that corroborates other research showing that most people are better at judging auditory patterns than assessing visual patterns. The participants judged whether the two sequences in each pair were the same or different.īoth groups judged auditory patterns accurately about 85 percent of the time, the researchers report in the August 5 issue of Current Biology. The researchers presented four self-professed synesthetes and 10 nonsynesthetes with 100 pairs of Morse code–like rhythmic sequences, each composed of either auditory beeps or flashes of white on a black background. Now scientists have stumbled on a previously unknown form of synesthesia in which visual flashes or movements trigger perceptions of sound.Ĭalifornia Institute of Technology neuroscientists Melissa Saenz and Christof Koch confirmed the existence of hearing-motion synesthesia, as they dubbed it, by creating a task at which the synesthetes would have an advantage. In the peculiar neurological condition known as synesthesia, a person’s senses meld together, so that a synesthete might “hear” colors or “taste” shapes.
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