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Synaesthesia (also spelled synesthesia or synæsthesia) can be described as a blending, merging, or mixing of the senses. For example, during this experience a person may begin seeing music, tasting colors, hearing smells, or any other potential combination of the senses. At its highest level, synaesthesia becomes so all-encompassing that each of the senses become completely intertwined with and experienced through all of the other senses. This is a complete blending of human perception and is usually interpreted as extremely profound when experienced. It is worth noting that a signifigant percentage of the population experience synaesthesia to varying extents during every day life without the use of drugs.[1][2]

Synaesthesia is commonly induced under the influence of heavy dosages of psychedelic compounds, such as LSD, psilocybin, and mescaline. However, it is seemingly most commonly experienced under the influence of stimulating psychedelics such as the 2C-x, DOx, and Nbome series.

Psychoactive substances

Compounds within our psychoactive substance index which may cause this effect include:

Experience reports

Anecdotal reports which describe this effect within our experience index include:

See also

External links


  1. Synaesthesia: the prevalence of atypical cross-modal experiences (ncbi) |
  2. Modality and variability of synesthetic experience |