Synesthesia

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Synesthesia

Synesthesia (pronounced: /ˌsɪnɪsˈθiːzɪə/) is a perceptual phenomenon in which stimulation of one sensory or cognitive pathway leads to automatic, involuntary experiences in a second sensory or cognitive pathway.

Etymology

The term synesthesia comes from the Greek words syn, meaning "together", and aisthesis, meaning "sensation". It was first used in this context by the German physician Georg Tobias Ludwig Sachs in 1812.

Types of Synesthesia

There are several types of synesthesia, including but not limited to:

  • Grapheme-color synesthesia: This is the most common type of synesthesia, where individuals see numbers or letters as inherently colored.
  • Chromesthesia: This is a type of synesthesia where sound involuntarily evokes an experience of color.
  • Spatial sequence synesthesia: In this type of synesthesia, numbers, months of the year, and/or days of the week elicit precise locations in space.

Related Terms

  • Neuroscience: The scientific study of the nervous system, which includes the brain and the spinal cord.
  • Perception: The process of attaining awareness or understanding of sensory information.
  • Cognition: The mental action or process of acquiring knowledge and understanding through thought, experience, and the senses.
  • Sensory Pathway: The pathway that nerve impulses travel through to get from the sensory organs to the brain.

See Also

External links

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