Neuroscience around the Web – Issue 13

Here's some interesting research I found recently on the web:

Have you ever wished you could choose a playlist to evoke a particular emotion? 

Now you can, using this interactive map. Scientists have mapped the subjective experience of music across cultures to "at least 13 overarching feelings: Amusement, joy, eroticism, beauty, relaxation, sadness, dreaminess, triumph, anxiety, scariness, annoyance, defiance, and feeling pumped up."

Do your personality traits match your career?

You're more likely to succeed in a career when your personality traits match the occupation. Scientists have now mapped personality traits to specific careers from social media digital fingerprints prints. This article contains some informative illustrations and an interactive map.

"Ageism can shorten life-expectancy."

Based on "a systematic review of 422 studies around the world that included over 7 million participants, there was evidence of the adverse effects of ageism on older persons in 96% of the studies." "Ageism led to worse outcomes in a number of mental health conditions, including depression, and a number of physical health conditions, including shorter life expectancy." 

Exposure to aluminum is linked to a genetic predisposition for Alzheimer's disease

"The aluminum content of the brain tissue from [people with a genetic predisposition for Alzheimer's disease] was universally high, with 42% of tissues having a level considered pathologically significant, and the levels were significantly higher than those in the control set." According to one of the researchers: "the new research confirms my resolve that within the normal lifespan of humans, there would not be any AD if there were no aluminum in the brain tissue. No aluminum, no AD."

More evidence that exercise is crucial for brain health

You've heard it before, and I say it again: Exercise is crucial for brain health. A new study has found that "cardiorespiratory fitness is positively associated with grey matter volume, total brain volume, and specific grey matter and white matter clusters in brain areas not primarily involved in movement processing," specifically the temporal, frontal, and cerebellar regions.

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