"Studies have shown that when subjects see an emotional stimulus as opposed to a neutral one, they're slower in making reaction time responses and they're slower when doing a visual search," said Chan. "I wanted to see whether the results would carry over in driving—would we also find more distracted performance in driving?—and we did see that."
Emotionally charged words affected the subjects' driving focus, something that may make driving in real conditions hazardous. Chan says that subjects who viewed the negative words decreased travelling speed when passing the signs and tended to drift and veer from their lane. Conversely, drivers viewing the words with positive connotations sped up when passing the signs—a response the researchers said supported other research.
"There have been studies showing that when you're positively stimulated, your attention broadens, so you perform better when you're in a happy mood," said Chan. "In my results, we also saw that when we looked at the reaction-time data in response to target words, participants actually responded faster in the positive block than in the negative block."
Chan says a precedent already exists Down Under for dealing with this type of distraction, but some places may be harder to convince than others.
"In Australia they have really strict billboard criteria, but in the United States it's less so," she said. "When you're driving in Las Vegas, you'll see a bunch of profane billboards. There are also some really graphic anti-smoking billboards around."
Chan contends that emotional distraction while driving may come from anything from music to news to conversations, so it would be hard to legislate against those types of factors. Self-regulation on the images and language marketers use on billboards could be one way to reduce potential for emotionally related vehicular incidents.
Ultimately, she says, drivers need to take responsibility for their actions behind the wheel, even if it meets reducing the usual driving stimuli such as talking or listening to the radio.
"Any kind of distraction is risky when you're driving. But there would appear to be a larger risk when it comes to emotional stimuli."
Jamie Hanlon | EurekAlert!
High Number of Science Enthusiasts in Switzerland
05.02.2018 | Universität Zürich
Between filter bubbles, uneven visibility and transnationality
06.12.2017 | Schweizerischer Nationalfonds SNF
At the Hannover Messe 2018, the Bundesanstalt für Materialforschung und-prüfung (BAM) will show how, in the future, astronauts could produce their own tools or spare parts in zero gravity using 3D printing. This will reduce, weight and transport costs for space missions. Visitors can experience the innovative additive manufacturing process live at the fair.
Powder-based additive manufacturing in zero gravity is the name of the project in which a component is produced by applying metallic powder layers and then...
Physicists at the Laboratory for Attosecond Physics, which is jointly run by Ludwig-Maximilians-Universität and the Max Planck Institute of Quantum Optics, have developed a high-power laser system that generates ultrashort pulses of light covering a large share of the mid-infrared spectrum. The researchers envisage a wide range of applications for the technology – in the early diagnosis of cancer, for instance.
Molecules are the building blocks of life. Like all other organisms, we are made of them. They control our biorhythm, and they can also reflect our state of...
University of Connecticut researchers have created a biodegradable composite made of silk fibers that can be used to repair broken load-bearing bones without the complications sometimes presented by other materials.
Repairing major load-bearing bones such as those in the leg can be a long and uncomfortable process.
Study published in the journal ACS Applied Materials & Interfaces is the outcome of an international effort that included teams from Dresden and Berlin in Germany, and the US.
Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) together with colleagues from the Helmholtz-Zentrum Berlin (HZB) and the University of Virginia...
Novel highly efficient and brilliant gamma-ray source: Based on model calculations, physicists of the Max PIanck Institute for Nuclear Physics in Heidelberg propose a novel method for an efficient high-brilliance gamma-ray source. A giant collimated gamma-ray pulse is generated from the interaction of a dense ultra-relativistic electron beam with a thin solid conductor. Energetic gamma-rays are copiously produced as the electron beam splits into filaments while propagating across the conductor. The resulting gamma-ray energy and flux enable novel experiments in nuclear and fundamental physics.
The typical wavelength of light interacting with an object of the microcosm scales with the size of this object. For atoms, this ranges from visible light to...
13.04.2018 | Event News
12.04.2018 | Event News
09.04.2018 | Event News
25.04.2018 | Physics and Astronomy
25.04.2018 | Physics and Astronomy
25.04.2018 | Information Technology