The research, which examined judicial rulings by Israeli judges who presided over parole hearings in criminal cases, found that judges gave more lenient decisions at the start of the day and immediately after a scheduled break in court proceedings such as lunch.
In the second study, participants held heated or frozen therapeutic packs as part of a product evaluation study and were then were told they could receive a gift certificate for a friend or a gift for themselves. Those who held the hot pack were more likely to ask for the gift certificate, while those who held the frozen pack tended to keep the gift.
Dave Burton wrote: What other factors could influence a person's decision making abilities?
But it is not just metabolic processes related to food and energy that affect decision-making processes. Other factors such as infectious diseases or low daylight also affect metabolism and thereby rational thinking and risk-related behaviour.
Mandy Launchbury-Rainey wrote:I think grief could affect one's decision making. I know I made a couple of decisions when my parents were dying that with hindsight I wouldn't have made, to do with jobs I wasn't happy in, or the way I treated co workers. Not just the grief in itself, but playing on the grief too.