News tagged with brain behavior
Japanese honeybees swarm huge hornet predator to kill it with heat
Japanese honeybees face a formidable foe in the Asian giant hornet, a fierce predator that can reach 40mm long or larger, but the bees have developed a novel defense mechanism: they create a "hot defensive bee ball," swarming ...
Mar 14, 2012 |
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Sex-specific behaviors traced to hormone-controlled genes in the brain
Hormones shape our bodies, make us fertile, excite our most basic urges, and as scientists have known for years, they govern the behaviors that separate men from women. But how?
Feb 02, 2012 |
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Autistic mice act a lot like human patients
UCLA scientists have created a mouse model for autism that opens a window into the biological mechanisms that underlie the disease and offers a promising way to test new treatment approaches.
Sep 29, 2011 |
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Parasite uses the power of sexual attraction to trick rats into becoming cat food
(PhysOrg.com) -- Could it be love? Rats infected with the parasite Toxoplasma seem to lose their fear of cats – or at least cat urine. Now Stanford researchers have discovered that the brains of those ...
Aug 17, 2011 |
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Bullying alters brain chemistry, leads to anxiety
(PhysOrg.com) -- Being low mouse on the totem pole is tough on murine self-esteem. It turns out it has measurable effects on brain chemistry, too, according to recent experiments at Rockefeller University. ...
Medicine & Health / Psychology & Psychiatry
Mar 28, 2011 |
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The evolution of brain wiring: Navigating to the neocortex
A new study is providing fascinating insight into how projections conveying sensory information in the brain are guided to their appropriate targets in different species. The research, published by Cell Press in the March ...
Medicine & Health / Neuroscience
Mar 23, 2011 |
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Researchers find similarities in brain activity for both habits and goals
A team of researchers has found that pursuing carefully planned goals and engaging in more automatic habits shows overlapping neurological mechanisms. Because the findings, which appear in the latest issue of the journal ...
Medicine & Health / Neuroscience
Mar 23, 2011 |
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Scientists identify neuron types that mediate different behavioral states
In a recent study, scientists from the Max Planck Florida Institute have provided one of the most comprehensive analyses to date of the detailed architecture of individual functionally characterized neurons in the cerebral ...
Medicine & Health / Neuroscience
Mar 17, 2011 |
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Study shows early brain effects of HIV in mouse model
A new mouse model closely resembles how the human body reacts to early HIV infection and is shedding light on nerve cell damage related to the disease, according to researchers funded by the National Institutes of Health.
Medicine & Health / Neuroscience
Mar 02, 2011 |
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Brain basis for crime?
Adrian Raine, a Penn Integrates Knowledge professor in the Departments of Criminology, Psychiatry and Psychology, presented a collection of his work on neurocriminology that broadly attempts to connect criminal, psychopathic ...
Medicine & Health / Neuroscience
Feb 28, 2011 |
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Huntington's disease breakthrough equals hope for patients
A huge leap forward in understanding Huntington's disease may give patients hope for a cure.
Medicine & Health / Medical research
Feb 22, 2011 |
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Deep brain stimulation helps severe OCD, but pioneer advises caution
When obsessive-compulsive disorder is of crippling severity and drugs and behavior therapy can't help, there has been for just over a year a thread — or rather a wire — of hope. By inserting a thin electrode deep ...
Medicine & Health / Diseases, Conditions, Syndromes
Feb 18, 2011 |
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Brain scan can tell if a smoker will quit (w/ Video)
(PhysOrg.com) -- Brain scans showing neural reactions to pro-health messages can predict if you'll keep that resolution to quit smoking more accurately than you yourself can. That's according to a new study ...
Medicine & Health / Psychology & Psychiatry
Jan 31, 2011 |
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A deficiency of dietary omega-3 may explain depressive behaviors
How maternal essential fatty acid deficiency impact on its progeny is poorly understood. Dietary insufficiency in omega-3 fatty acid has been implicated in many disorders. Researchers from Inserm and INRA and their collaborators ...
Medicine & Health / Neuroscience
Jan 30, 2011 |
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Study finds presence of peers heightens teens' sensitivity to rewards of a risk
and that when they do, they like to have company. Teens are five times more likely to be in a car accident when in a group than when driving alone, and they are more likely to commit a crime in a group.
Medicine & Health / Psychology & Psychiatry
Jan 28, 2011 |
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