Early vision is bottom-up, except for focal attention.
Julesz
B
B
Psychology Department, Rutgers University, New Brunswick, New Jersey 08903.
D000818:Animals; D001288:Attention / Q000502:physiology*; D002540:Cerebral Cortex / Q000502:physiology; D003867:Depth Perception / Q000502:physiology; D004192:Discrimination, Psychological; D000882:Haplorhini; D006801:Humans; D014796:Visual Perception / Q000502:physiology*