THE NEW YEAR is a time for resolutions. You promise to take up jogging, spend more time with friends, do good works or maybe smile a little more frequently. But are you fundamentally deluding yourself into thinking you can change?
A growing body of research suggests that much of our behaviour is determined by either our genes or our environment, leaving little room for personal choice. The age-old notion of “free will” is under attack, boosted by examinations of brain activity during decision-making.
An influential 2007 study, which monitored people’s brains using functional magnetic resonance imaging (FMRI), suggested people became conscious of making a decision only after the relevant neurons had fired into action. Neuroscientist John-Dylan Haynes, who asked participants to hit a button with their left or right hand, was able to predict their decisions seven seconds before they were even aware of making them.
Read the whole story: Irish Times