Blue Is the Warmest Colour the Warmest Color" through The Criterion Collection on 25 February 2014. As "Blue Is the Warmest Colour", the film was also released on DVD and Blu-ray Disc in Canada on 25 February 2014 by Mongrel Media, in the United Kingdom on 17 March 2014 by Artificial Eye and on 18 June 2014 in Australia by Transmission Films. In Brazil, Blu-ray manufacturing companies Sonopress and Sony DADC are refusing to produce the film because of its content. The distributor is struggling to reverse this situation. "Blue Is the Warmest Colour" grossed a worldwide total of $19,492,879. During its opening in France,
Filling-in the ring (Krauskopf 1967). These stimuli where intermixed with control stimuli, in which the physical colour of the disk was gradually changed to that of the ring. The animals were instructed to signal a colour change, and their responses to control stimuli and to test stimuli were compared in order to determine if monkeys perceive colour filling-in under steady fixation like humans. The authors recorded the activity of surface- and edge-cells (cells whose receptive fields pointed either to the filled-in surface or to the border between the disk and the ring) in the visual cortices V1 and V2 while the