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The cross-activation theory of synesthesia was formulated by V.S. Ramachandran and E.M. Hubard, based on converging evidence from studies of synesthesia that sensory areas for processing real and synesthetic information tend to be neighboring brain regions. [16]
Many tests exist for synesthesia. Each common type has a specific test. When testing for grapheme–color synesthesia, a visual test is given. The person is shown a picture that includes black letters and numbers. A synesthete will associate the letters and numbers with a specific color. An auditory test is another way to test for synesthesia.
The phrase synesthesia in art has historically referred to a wide variety of artists' experiments that have explored the co-operation of the senses (e.g. seeing and hearing; the word synesthesia is from the Ancient Greek σύν (syn), "together," and αἴσθησις (aisthēsis), "sensation") in the genres of visual music, music visualization, audiovisual art, abstract film, and intermedia ...
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 ...
Musicophilia: Tales of Music and the Brain is a 2007 book by Oliver Sacks. It explores a range of psychological and physiological ailments and their connections to music. It is divided into four parts, each with a distinctive theme: Haunted by Music examines mysterious onsets of musicality and musicophilia (and musicophobia); A Range of Musicality looks at musical oddities musical synesthesia ...
Wednesday Is Indigo Blue: Discovering the Brain of Synesthesia is a 2009 non-fiction book written by Richard Cytowic and David Eagleman documenting the current scientific understanding of synesthesia, a perceptual condition where an experience of one sense (such as sight) causes an automatic and involuntary experience in another sense (such as hearing). [1]
The theory of Bayesian integration is based on the fact that the brain must deal with a number of inputs, which vary in reliability. [28] In dealing with these inputs, it must construct a coherent representation of the world that corresponds to reality. The Bayesian integration view is that the brain uses a form of Bayesian inference. [29]
The Oxford Companion to Music describes three interrelated uses of the term "music theory": The first is the "rudiments", that are needed to understand music notation (key signatures, time signatures, and rhythmic notation); the second is learning scholars' views on music from antiquity to the present; the third is a sub-topic of musicology ...