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Posts Tagged "serotonin"

Assignment: Impossible

Too Hard for Science? Are There Drugs That Kill Love?

Antidepressants might lift up one’s spirits, but might they break hearts? In “Too Hard For Science?” I interview scientists about ideas they would love to explore that they don’t think could be investigated. For instance, they might involve machines beyond the realm of possibility, such as devices as big as galaxies, or they might be [...]

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Guest Blog

Lindau Nobel Meeting–Monday’s Researcher: Madhurima Benekareddy

Madhurima Benekareddy  is a 27-year-old researcher standing at the cross-roads of psychology and neuroscience. She researches the effects of trauma on the brain in its delicate stages of development, when we are children and adolescents, at the Tata Institute of Fundamental Research  in Mumbai , India. The young brain is more plastic , and therefore [...]

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Guest Blog

Too Hard for Science?: The sense of meaning in dreams

In dreams, could we discover where the mysterious feeling of revelation comes from? In "Too Hard for Science?" I interview scientists about ideas they would love to explore that they don’t think could be investigated. For instance, they might involve machines beyond the realm of possibility, such as particle accelerators as big as the sun, [...]

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Guest Blog

Serotonin and sexual preference: Is it really that simple?

Last week, Nature issued a new paper. The paper used two different strains of mice, one lacking all serotonin neurons (called Lmx1b knockouts), and one lacking the rate limiting enzyme for the production of serotonin (called TPH2 knockouts). The authors demonstrated that these mice, lacking serotonin, did not distinguish between sexual partners, mounting male and [...]

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Guest Blog

The antidepressant reboxetine: A “headdesk” moment in science

Every so often there comes a truly "headdesk" moment in science. A moment where you sit there, stunned by a new finding, and thinking, blankly…"OK, now what?" For psychiatry and behavioral pharmacology, one of those moments came a few weeks ago with the findings of a meta-analysis published in the British Medical Journal (Eyding et [...]

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Observations

Why Do Antidepressants Take So Long to Work?

Kate wanted to die. She remembers the moment the psychiatrist said “the antidepressant isn’t going to work right away. Can you promise to be here next week and not kill yourself?” “I told her no,” Kate says. “I couldn’t promise my doctor I’d make it a week. That’s how bad my life had to be [...]

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Observations

Low serotonin levels may prompt mysterious sudden infant death syndrome

serotonin sids sudden infant death syndrome neurotransmitter

The most common cause of death of U.S. infants before their first birthday is the nebulous complication known as sudden infant death syndrome (or SIDS), according to the Mayo Clinic. The underlying causes of this condition, in which no immediate cause of death is revealed in an autopsy, remain unknown, vexing scientists and parents alike. [...]

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Symbiartic

Happiness on a Chain: Is That An Oxymoron?

Caffeine necklace

Scientists are, in general, a rebellious bunch. But Raven Hanna, the brains behind Made With Molecules, may be more rebellious than most. After completing a PhD in molecular biophysics and biochemistry from Yale and doing a post-doc at UC Berkeley, she left the well-trodden path to the Ivory Tower to live off the grid and [...]

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The Thoughtful Animal

Guest Post! Learning from Domesticated Foxes

Editor’s Note: While I’m on vacation, I’ve arranged a series of guest posts from other writers who routinely cover animal behavior and cognition. Today’s post, about my favorite domesticated foxes, comes from The Dog Zombie who blogs at The Dog Zombie. My own first-ever blog post on Scientific American blogs, last summer, was about these [...]

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