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Research Methods
Psy 3330 – The College of St. Scholastica – Duluth, MN
Research News- Eating citrus fruit may lower women's stroke risk February 23, 2012Eating higher amounts of a compound in citrus fruits, especially oranges and grapefruit, may lower ischemic stroke risk. Women who ate high amounts of the compound had a 19 percent lower risk of ischemic stroke than women who consumed the least amount.
- Neurotoxins in shark fins: A human health concern February 23, 2012Sharks are among the most threatened of marine species worldwide due to unsustainable overfishing. They are primarily killed for their fins to fuel the growing demand for shark fin soup, which is an Asia delicacy. A new study has discovered high concentrations of BMAA in shark fins, a neurotoxin linked to neurodegenerative diseases in humans including Alzhei […]
- Heart attacks: Naked mole-rats bear lifesaving clues February 23, 2012A biologist thinks the subterranean lifestyle of the naked mole-rat may hold clues to keeping brain cells alive and functioning when oxygen is scarce, as during a heart attack. The key may lie in how brain cells regulate their intake of calcium, he says.
- In Theory: Aging of Eyes Is Blamed in Circadian Rhythm Disturbances February 23, 2012New research supports a largely unrecognized culprit in circadian rhythm disturbances: the gradual yellowing of the lens and the narrowing of the pupil that come with age.
- Girls' verbal skills make them better at arithmetic, study finds February 23, 2012While boys generally do better than girls in science and math, some studies have found that girls do better in arithmetic. A new study finds that the advantage comes from girls' superior verbal skills.
- Impulsive kids play more video games, and kids who play more video games may become more impulsive February 23, 2012Impulsive children with attention problems tend to play more video games, while kids in general who spend lots of time video gaming may also develop impulsiveness and attention difficulties, according to new research.
- A unique on-off switch for hormone production February 23, 2012Scientists have revealed a new kind of on-off switch in the brain for regulating the production of a main biochemical signal from the brain that stimulates cortisol release in the body.
- If you're afraid of spiders, they seem bigger: Phobia's effect on perception of feared object allows fear to persist February 23, 2012The more afraid a person is of a spider, the bigger that individual perceives the spider to be, new research suggests. In the context of a fear of spiders, this warped perception doesn't necessarily interfere with daily living. But for individuals who are afraid of needles, for example, the conviction that needles are larger than they really are could l […]
- Is there a general motivation center in the depths of the brain? February 22, 2012Researchers have identified the part of the brain driving motivation during actions that combine physical and mental effort: the ventral striatum.
- World of Warcraft boosts cognitive functioning in older adults February 22, 2012For some older adults, the online video game World of Warcraft (WoW) may provide more than an opportunity for escapist adventure. Researchers have found that playing WoW boosted cognitive functioning for older adults – particularly those who had scored poorly on cognitive ability tests before playing the game.
- What can animals' survival instincts tell us about understanding human emotion? February 22, 2012Can animals’ survival instincts shed additional light on what we know about human emotion? Neuroscientists pose this question in outlining a pioneering theory, drawn from two decades of research, that could lead to a more comprehensive understanding of emotions in both humans and animals.
- Off switch for pain? Chemists build light-controlled neural inhibitor February 22, 2012Pain? Just turn it off! It may sound like science fiction, but researchers have now succeeded in inhibiting pain-sensitive neurons on demand, in the laboratory. The crucial element in their strategy is a chemical sensor that acts as a light-sensitive switch.
- Vital Signs: Dessert at Breakfast May Help Dieters February 22, 2012A randomized study of 144 people put on low-calorie diets found that those given a high-carb, protein-rich breakfast with a dessert lost more weight and kept it off.
- Vital Signs: In Sinusitis, Antibiotics Are as Effective as Placebos, Study Finds February 22, 2012A new clinical trial found that a placebo worked just as well as the antibiotic amoxicillin in treating the runny nose, sneezing, cough, headache and other symptoms of sinusitis.
- Eating citrus fruit may lower women's stroke risk February 23, 2012
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