THE CURIOUS CASES OF RUTHERFORD & FRY

TUESDAY, 11Am, RADIO 4

The Invisible Gorilla Experiment, first carried out at Harvard University, asked participants to watch a video and count how many times a basketball was passed between players wearing white shirts. The participants concentrated so hard that they failed to notice someone, in an unconvincing gorilla suit, strolling among the players. In this programme Polly Dalton, who leads The

Attention Lab at Royal Holloway University, looks at what’s happening in our brains when we become so absorbed in a task that we get ‘inattentional blindness’.