Synesthesia

1. Synesthesia: “a sensation produced in one modality when a stimulus is applied to another modality, as when the hearing of a certain sound induces the visualization of a certain color.”(dictionary.com)

2. grapheme-color synesthesia: “is a form of synesthesia in which an individual's perception of numbers and letters is associated with the experience of colors.” (wikipidia.org) It is one of the most common form of it

3. ordinal-linguistic personification : “is a form of synesthesia in which ordered sequences, such as ordinal numbers, days, months and letters are associated with personalities”(wikipidia.org)

4. number-form synesthesia: “A number form is a mental map of numbers, which automatically and involuntarily appears whenever someone who experiences number-forms thinks of numbers”(wikipidia.org)

5. sound-color synesthesia: “: voice, music, and assorted environmental sounds such as clattering dishes or dog barks trigger color and simple shapes that arise, move around, and then fade when the sound stimulus ends”(wikipidia.org)

6. lexical-gustatory synesthesia: “individual words and the phonemes of spoken language evoke taste sensations in the mouth”(wikipidia.org)

Work Cited:
• http://dictionary.reference.com/browse/synesthesia
• http://en.wikipedia.org/wiki/Synesthesia#Number_form_synesthesia