Vision: in the brain of the beholder.
It is commonly thought that neural activity in the visual cortex reflects retinal input. Recent studies, however, suggest that patterns of cortical activity are mostly intrinsically generated, and that visual input exerts but a modulatory influence.
Sengpiel
Frank
F
Cardiff School of Biosciences, Cardiff University, Museum Avenue, Cardiff CF10 3US, UK. Sengpiel@cf.ac.uk
D000344:Afferent Pathways / Q000502:physiology; D000818:Animals; D005074:Evoked Potentials, Visual / Q000502:physiology; D007395:Interneurons / Q000502:physiology*; D010775:Photic Stimulation; D012160:Retina / Q000502:physiology; D013997:Time Factors; D014793:Visual Cortex / Q000502:physiology*; D014796:Visual Perception / Q000502:physiology*