ultraperiferal

Ultraperipheral refers to a concept in the field of psychology, particularly in the study of perception and consciousness. The term was coined by psychologist William James in his 1890 work "The Principles of Psychology." James used the term to describe the outer limits of the sensory field, beyond which no sensory stimuli can be detected. This region is characterized by a lack of sensory input, and as such, it is not part of the conscious experience.

The ultraperipheral is distinct from the peripheral, which refers to the sensory field that is just beyond the immediate focus of attention. The ultraperipheral is often associated with the idea of "blind spots" in perception, where there is no sensory input and thus no conscious awareness. This concept has been used to explain various phenomena in perception, such as the perception of movement and the detection of changes in the environment.

In recent years, the concept of the ultraperipheral has been revisited in the context of neuroscience and cognitive science. Some researchers have suggested that the ultraperipheral may play a role in the regulation of attention and the integration of sensory information. However, the exact nature of the ultraperipheral and its role in perception and consciousness remains a topic of ongoing debate and research.