Splitting the spotlight of visual attention.
Can the brain attend to more than a single location at one time? In this issue of Neuron, McMains and Somers report psychophysical and fMRI evidence showing that subjects can attend to two separate locations concurrently and that divided spatial attention leads to separate zones of attentional enhancement in early visual cortex.
Tong
Frank
F
Department of Psychology, Princeton University, Princeton, NJ 08544 USA.
D001288:Attention / Q000502:physiology*; D007839:Functional Laterality / Q000502:physiology; D006801:Humans; D009949:Orientation / Q000502:physiology*; D011597:Psychomotor Performance / Q000502:physiology; D013028:Space Perception / Q000502:physiology*; D014793:Visual Cortex / Q000033:anatomy & histology / Q000502:physiology*; D014794:Visual Fields / Q000502:physiology; D014795:Visual Pathways / Q000502:physiology*