A TENDENCY to seek out positive information may be in your genes.
Elaine Fox at the University of Essex, UK, asked people to say which side of a screen target dots were on. Before the dots appeared, one side of the screen showed a positive or negative image and the other a neutral one. The time taken to spot the dots indicated which image was being looked at.
People with two copies of a certain gene took longer to spot the dots when they appeared on the same side as a negative image compared with the neutral image, and less…
