Tag Archives | Emotional Health

Stomach Bacteria Influences Your Mood And Behavior

bacteria These little guys may be doing the thinking for you. Science Daily reports:

For the first time, researchers have conclusive evidence that bacteria residing in the gut influence brain chemistry and behavior.

The findings are important because several common types of gastrointestinal disease, including irritable bowel syndrome, are frequently associated with anxiety or depression. In addition there has been speculation that some psychiatric disorders, such as late onset autism, may be associated with an abnormal bacterial content in the gut.

For each person, the gut is home to about 1,000 trillion vital bacteria with which we live in harmony. Any disruption can result in life-threatening conditions, such as antibiotic-induced colitis.

Working with healthy adult mice, the researchers showed that disrupting the normal bacterial content of the gut with antibiotics produced changes in behavior; the mice became less cautious or anxious. This change was accompanied by an increase in brain-derived neurotrophic factor (BDNF), which has been linked to depression and anxiety.

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Rejection Feels Like Spilling Hot Coffee on Your Arm…

Hot CoffeeAccurate? Jen Doll writes in the Village Voice:

​Rejection hurts. Before you groan and sign and say “I know, I know, let me tell you about the time you-know-who did you-know-what to me,” let us clarify. Rejection actually physically hurts. Like dropping something on your toe or getting lemon juice in a papercut hurts. This is true, according to science, and according to the New York Times, which reports on how badly rejection hurts, and how science knows this.

According to a recent study, areas of the brain that indicate physical pain area activated “at moments of intense social loss.” In terms of the actual study, 40 volunteers (who all felt “intensely rejected” due to a recent breakup), were hooked up to MRI scanners to measure their brain activity while they looked at photos of former boyfriends/girlfriends and thought about exactly how they’d been rejected. (Man, science is mean.) Then they were asked to look at a picture of a friend and think of a good experience with that person.

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Are Teens Into Music More Likely To Be Depressed?

Photo: Nishauncom

Photo: Nishauncom

Which came first, the music or the depression? They say classical music boosts your baby’s brain activity. And music has been known to soothe the savage beast. Now music may play a hand in your teenager’s depression. Via PsychCentral:

The link between media exposure and adolescent emotional health continues to be a hot research area. In a new study, researchers found that teens who spend more time listening to music, rather than  reading books, are more likely to be depressed.

Researchers said this study was unique as it sampled the behaviors of study participants in real time using a technique called ecological momentary assessment.

The method is more reliable than standard surveys and helped researchers recognize this large association between exposure to music and depression, said Brian Primack, M.D., Ed.M., M.S., assistant professor of medicine and pediatrics at Pitt’s School of Medicine, who led the study.

Some 106 teens were involved in the study, 46 of whom were diagnosed with major depressive disorder.

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