Posts tagged with "Max Planck Institute"

A dose of diaper duty can lengthen a grandparent’s life

October 16, 2020

Live long and prosper—by helping others. Especially your grandchildren. Those are the findings of a study conducted by researchers from the University of Basel (Switzerland), Edith Cowan University (Australia), the University of Western Australia, the Humboldt University of Berlin (Germany), and the Max Planck Institute for Human Development (Germany).

The study, published in the journal Evolution and Human Behavior, found that grandparents who provide care for their grandkids live longer than grandparents who aren’t as involved. Similarly, older people who help take care of their peers live longer than those who don’t.

To reach their conclusion, researchers evaluated 500 people between thee ages of 70 and 103 years old, using data from the Berlin Aging Study collected between 1990 and 2009. Grandparents who were primary caregivers for their grandchildren—and who, therefore, had a much heavier load to carry—were not taken into account for the study, according to a report by Study Finds.

Indeed, ha;f of the grandparents who took care of their grandchildren were still alive about ten years after the first interview in 1990. The same applied to participants who did not have grandchildren, but who supported their children—for example, by helping with housework. In contrast, about half of those who did not help others died within five years.

Older adults who had no children, but aided others in their social network lived about three years longer than those who didn’t.

“But helping shouldn’t be misunderstood as a panacea for a longer life,” Ralph Hertwig, Director of the Center for Adaptive Rationality at the Max Planck Institute for Human Development said in a release from the University of Basel. “A moderate level of caregiving involvement does seem to have positive effects on health. But previous studies have shown that more intense involvement causes stress, which has negative effects on physical and mental health.”

So, for grandparents who want to stick around longer just to watch their grandkids achieve milestones in their lives—make sure you’re an active part of their upbringing and you’ll have a greater shot at being there for them as adults, too.

Research contact: @StudyFinds

Too much information (TMI) is now a worldwide problem

April 17, 2019

Are you media-bashed? Are there just too many tweets, hashtags, news reports, Facebook comments, curated photos, streaming videos, surveys, petitions, and emails for you to process in a day—and more coming all the time?

You have plenty of company—based on findings of a study conducted in Europe by the Technical University of Denmark, Technische Universität Berlin, Max Planck Institute for Human Development, and University College Cork; and published by the journal, Nature Communications.

Indeed, researchers have found that our collective attention span is narrowing due to the negative effects of an overabundance of social media, plus the hectic 24-hour news cycle to which we exposed.

What’s more, collectively, sociologists, psychologists, and teachers have warned of an emerging crisis stemming from a  fear of missing out (FOMO), the pressure to keep up-to-date on social media, and breaking news coming at us 24/7. So far, the evidence to support these claims has only been hinted at or has been largely anecdotal. There has been an obvious lack of a strong empirical foundation.

“It seems that the allocated attention in our collective minds has a certain size, but that the cultural items competing for that attention have become more densely packed. This would support the claim that it has indeed become more difficult to keep up to date on the news cycle, for example.” says Professor Sune Lehmann from DTU Compute.

The scientists have studied Twitter data from 2013 to 2016, books from Google Books going back 100 years, movie ticket sales going back 40 years, and citations of scientific publications from the last 25 years. In addition, they have gathered data from Google Trends (2010-2018), Reddit (2010-2015), and Wikipedia (2012-2017).

When looking into the global daily top 50 hashtags on Twitter, the scientists found that peaks became increasingly steep and frequent: In 2013 a hashtag stayed in the top 50 for an average of 17.5 hours. This gradually decreases to 11.9 hours in 2016.

This trend is mirrored when looking at other domains, online and offline–and covering different periods. Looking, for instance, at the occurrence of the same five-word phrases (n-grams) in Google Books for the past 100 years, and the success of top box office movies. The same goes for Google searches and the number of Reddit comments on individual submissions.

“We wanted to understand which mechanisms could drive this behavior. Picturing topics as species that feed on human attention, we designed a mathematical model with three basic ingredients: “hotness,” aging, and the thirst for something new.” says Dr. Philipp Hövel, lecturer for applied mathematics, University College Cork.

When more content is produced in less time, it exhausts the collective attention earlier. The shortened peak of public interest for one topic is directly followed by the next topic, because of the fierce competition for novelty.

“The one parameter in the model that was key in replicating the empirical findings was the input rate— the abundance of information. The world has become increasingly well connected in the past decades. This means that content is increasing in volume, which exhausts our attention and our urge for ‘newness’ causes us to collectively switch between topics more rapidly.” says postdoc Philipp Lorenz-Spreen, Max Planck Institute for Human Development.

Since the available amount of attention remains more or less the same, the result is that people are more rapidly made aware of something happening and lose interest more quickly. However, the study does not address attention span on the level of the individual person, says Sune Lehmann:

Our data only supports the claim that our collective attention span is narrowing. Therefore, as a next step, it would be interesting to look into how this affects individuals, since the observed developments may have negative implications for an individual’s ability to evaluate the information they consume. Acceleration increases, for example, the pressure on journalists to keep up with an ever-changing news landscape. We hope that more research in this direction will inform the way we design new communication systems, such that information quality does not suffer even when new topics appear at increasing rates.”

Research contact: @DTUtweet