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Behavioral Health
Greening vacant lots reduces depression in city dwellers
People living within a quarter mile of greened lots had a 41.5 percent decrease in feelings of depression and a nearly 63 percent decrease in self-reported “poor mental health,” compared to those who lived near the lots that received no intervention.
To improve online information about violence and abuse, one group turned to Wikipedia
Three undergrads and a recent alum, working with the Ortner Center’s Susan B. Sorenson, added the latest scientific research to more than 50 entries.
New insight into autism and reward circuitry in the brain
New research reveals people with autism spectrum disorder respond differently to social and non-social cues than typically developing individuals, and might not respond to rewards for desired behavior.
One in four Americans develops insomnia each year
About 25 percent of Americans experience acute insomnia each year, but about 75 percent of these individuals recover without developing persistent poor sleep or chronic insomnia.
Why does sleep deprivation affect cognitive function of some more than others?
The key may be microRNAs, small non-coding RNAs that help regulate gene expression, according to a study from Penn Medicine and the Children’s Hospital of Philadelphia.
Tipping point for large-scale social change? Just 25 percent
How many people need to take a stand before a behavior is no longer seen as normal? According to research from Annenberg’s Damon Centola, there’s now a quantifiable answer: roughly 25 percent.
Hormones flatten social hierarchy and synchronize behaviors
Findings from a study of male rhesus macaques from PIK professor Michael Platt and postdoc Yaoguang Jiang could lead to treatment options for social impairments in disorders like autism and schizophrenia.
‘Candy aspirin,’ safety caps, and the history of children’s drugs
When St. Joseph Aspirin for Children was introduced in the 1940s, it was formulated to be attractive in taste and color to its young audience. Dubbed “candy aspirin,” the product became popular—fast. As a consequence, aspirin poisonings of children under five skyrocketed.
New ‘match’ streamlines clinical training experience for psych graduate students
A new “match” for clinical psychology graduate students connects trainees with potential externship sites. In its second year, the initiative successfully matched more than 250 trainees in the mid-Atlantic region.
Wrongful convictions reported for 6 percent of crimes
For capital crimes like rape and murder, wrongful convictions happen in about 3 to 5 percent of cases. Such an estimate had proved elusive for the prison population as a whole—until now, thanks to work from Penn criminologists.
In the News
Americans are sleeping more than ever. See how you compare
Mathias Basner of the Perelman School of Medicine says that work and traveling are the major sleep killers, with the majority of traveling being commuting to and from work.
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How does fat leave the body? Experts explain the weight loss process
Colleen Tewksbury of the School of Nursing and Perelman School of Medicine says that waist circumference is a more accessible and potentially more helpful measure for fat loss than stepping on a scale.
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When it’s time for an aging driver to hit the brakes
Lauren Massimo of the School of Nursing says that losing the ability to drive is a major and dehumanizing loss for older adults.
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Many parents give their children melatonin at night. Here’s why you may not want to
Ilene Rosen of the Perelman School of Medicine supports practicing proven-bedtime-routine behaviors and avoiding bright lights and electronics in the bedroom to encourage the body’s natural production of melatonin.
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Why are older Americans drinking so much?
David Oslin of the Perelman School of Medicine says that alcohol use can have much more disastrous consequences for older adults, whose bodies cannot process it as quickly.
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Best CPAP alternatives
Richard Schwab of the Perelman School of Medicine says that obstructive sleep apnea causes breathing to pause during sleep when something like the tongue or relaxed throat muscles blocks the airway.
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