👉 "Viduation" is a term used in the field of psychology and neuroscience to describe the phenomenon where an individual's perception of their own body changes over time due to changes in the environment or stimuli. This can be seen as a manifestation of the concept of "vividness," which refers to the degree to which one perceives themselves as distinct from others. For example, during a person's sleep, they may experience different perceptions of their body and surroundings compared to waking up in the morning