Colour centre in humans as an area specialized for colour vision. V2, also called the prestriate cortex, is believed to have a small role in colour processing by projecting signals from V1 to the V4-complex. Whether or not colour selective cells are present in V2 is still being investigated. Some optical imaging studies have found small clusters of red-green colour selective cells in V1 and V2, but not any blue-yellow colour selective cells. Other studies have shown that V2 is activated by colour stimuli, but not colour after images.[8] V4 also has feedback on V2, suggesting that there is a defined network
Colour guard with their right hand placed over their heart for the same period, and the hand salute applies to the uniformed organizations as well (especially the Boy Scouts of America). Since recently, veterans are expected to hand salute the colors too, like their military counterparts including personnel not in uniform. Colour guard In military organizations, a colour guard (or "color guard") is a detachment of soldiers assigned to the protection of regimental colours. This duty is so prestigious that the colour is generally carried by a young officer (Ensign), while experienced non-commissioned officers (colour sergeants) are assigned to the protection of