You Know That Sex Sells. Do You Know Why?

Have you ever wondered why certain brands seem to add attractive models, for what appears no good reason? Well, here’s why. Take a look at this picture:

You may not realize this, but this photograph will make you take more financial risks. Why is that? I am glad you asked.

When you are exposed to erotic stimuli, a region deep within your brain—the nucleus accumbens—becomes activated. This is the part our brain that is “turned on” when we experience positive emotions. So, how do we know that this region of the brain will make you take more financial risks? A study by Knutson and colleagues provides evidence for the link between nucleus accumbens activation and financial risk taking.

In their study, participants were randomly presented with pictures of couples in erotic positions (highly arousing and positive), snakes and spiders (highly arousing and negative) or household appliances (neutral picture). They were then instructed make an investment—their two choices were to invest $1.00 or $0.10 (the less risky investment). The researchers also used functional magnetic resonance imaging (fMRI) techniques to “see” what parts of the brain were activated (what brain regions were “turned on”) during financial decision making. They then correlated activation in the nucleus accumbens with the person’s financial choices.

The researchers found that when people were shown pictures of couples in erotic positions, they were more likely to risk $1.00 compared to when they were shown pictures of a spider and snake or household appliances. Most importantly, they found that the nucleus accumbens, the part of the brain associated with experiencing positive emotional states, were activated when making riskier decisions.

Thus, because of activation in the nucleus accumbens region of the brain, people made risky financial investments.

So, this is all well and good, but why do these results matter? Well, this type of subtle “priming” happens all the time. In fact, this basic principle is widely used in casinos. Casino owners want people to make riskier decisions when gambling, so casinos are designed to maximize positive emotions like excitement. Casino floors are full of colorful lights, attractive servers, and appetizing food and drinks all working together to increase your nucleus accumbens activation.

Thus, the next time you’re in Las Vegas, pay attention to parts of the environment designed to activate your nucleus accumbens. While there is nothing wrong with going to Las Vegas, it might not be a bad idea to pause and consider what is influencing your spending habitsAfter all, casino owners know what will make you spend more money—you should too.

How can you find out what else influences your spending habits?

At BeyondThePurchase.Org we help people make the connection between their values and spending habits – how do you spend your money and who do you spend it on – and their happiness. To learn about what might be influencing how you think about and spend your money, Login or Register with Beyond The Purchase, then take a few of our spending habits quizzes:

How do your current priorities impact what you buy? Take our Life Goals and Buying Choices and on your feedback page you will learn you will learn how current priorities impact what you buy.

How does your expected happiness impact what you buy? Take our Forecasting your Happiness and on your feedback page you will learn if happiness matters more when you are buying a life experiences or a material item.

To find out more about subtle primes that influence your spending, we encourage you to first take the Implicit Buying Motives Study.

You might then try the Consumer Susceptibility to Interpersonal Influence Scale, which measures the extent to which the values of your family and friends influence your own behavior.

Along the way, we think you’ll find out a bit more about why you buy and what makes you happy. The results might be surprising.

This entry is based on the following research paper:

Brian Kuntson, G. Ellition Wimmer, Camelia M. Kuhnen and Piotr Winkielman (2008). Nucleus accumbens activation mediates the influence of reward cues on financial risk taking. NeuroReport, 19, 509-513.

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