Behavior News
April 28, 2017

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updated 2:01pm EDT

More Behavior News
April 28, 2017

Brain Sets a Unique Learning Rate for Everything We Do, by Self-Adjusting to the Environment

Apr. 19, 2017 — Each time we get feedback, the brain is hard at work updating its knowledge and behavior in response to changes in the environment; yet, if there's uncertainty or volatility in the environment, ... read more

Neural Basis for Parasitic Cowbird's Secret Password Identified by Researchers

Apr. 18, 2017 — If you are raised by other species, then how do you know who you are? Although heterospecific foster parents rear brood parasitic brown-headed cowbird chicks, juvenile cowbirds readily recognize and ... read more

Imbalances in Neural Pathways May Contribute to Repetitive Behaviors in Autism

Apr. 17, 2017 — Researchers have hypothesized that a mutation in the autism risk gene SHANK3 differentially affects synaptic development in two neural pathways that contribute to motor control. Their work suggests ... read more

Apr. 17, 2017 — Everybody loves those rare "aha moments" where you suddenly and unexpectedly solve a difficult problem or understand something that had previously perplexed you. But until now, researchers ... read more

Antipsychotic Medications Can Be Reduced in Dementia Patients, New Study Shows

Apr. 17, 2017 — The use of antipsychotic medication in nearly 100 Massachusetts nursing homes was significantly reduced when staff was trained to recognize challenging behaviors of cognitively impaired residents as ... read more

Apr. 13, 2017 — Research showed that a regulatory protein of chromosome structure (cohesin) is essential for proper maintenance of gene expression in the developing brain. Reduced cohesin impaired development of ... read more

Catch Me If You Can: Scientists Discover Neurons That Control Willingness to Mate in Female Fruit Flies

Apr. 12, 2017 — Scientists used advanced genetic and behavioral tools to establish that walking speed is in fact a key indicator of female's receptivity and discover neurons that control mating in the brain of ... read more

Apr. 11, 2017 — Six- to nine-month-old infants demonstrate racial bias in favor of members of their own race and racial bias against those of other races, two new studies ... read more

Apr. 11, 2017 — Acute psychosocial stress leads to increased empathy and prosocial behavior. An international team of researchers investigated the effects of stress on neural mechanisms and tested the relationship ... read more

Apr. 7, 2017 — Neurons derived from two different types of precursor cells that later develop into neurons in the medial amygdala -- one of the interconnected structures in the brain involved in emotion, motivation ... read more

How Learning in the Present Shapes Future Learning

Apr. 6, 2017 — Neurons in the prefrontal cortex “teach” neurons in the hippocampus to “learn” rules that distinguish memory-based predictions in otherwise identical situations, suggesting that learning in ... read more

Disrupted Brain Pathway, Altered Stress Hormones Key to TBI Impact Differences in Men, Women

Apr. 3, 2017 — The brains of men and women are wired differently, and when it comes to traumatic brain injuries (TBI), women are more likely to develop subsequent neuropsychiatric disorders, like anxiety, ... read more

Experimental Small Molecule Shows Potential in Preventing Meth Relapse

Mar. 31, 2017 — The reason methamphetamine users find it so hard to quit -- 88 percent of them relapse, even after rehab -- is that meth takes advantage of the brain's natural learning process, say ... read more

Getting a Leg Up: Hand Task Training Transfers Motor Knowledge to Feet

Mar. 30, 2017 — The human brain's cerebellum controls the body's ability to tightly and accurately coordinate and time movements as fine as picking up a pin and as muscular as running a foot race. Now, ... read more

Mar. 30, 2017 — The part of the brain that creates mental maps of one's environment plays a much broader role in memory and learning than was previously thought, according to new ... read more

Natural Chemical Helps Brain Adapt to Stress

Mar. 29, 2017 — A natural signaling molecule that activates cannabinoid receptors in the brain plays a critical role in stress-resilience -- the ability to adapt to repeated and acute exposures to traumatic ... read more

Bullies and Their Victims Obsessed With Weight-Loss

Mar. 29, 2017 — School bullies and their victims are more obsessed with weight-loss than anyone else, according to new research ... read more

Brain Stimulation Improves Schizophrenia-Like Cognitive Problems

Mar. 28, 2017 — A new study finds that stimulating the cerebellum in rats with schizophrenia-like thinking problems normalizes brain activity in the frontal cortex and corrects the rats' ability to estimate the ... read more

Study Finds Social Media Course Impacts Online Behavior in First-Year Medical Students

Mar. 27, 2017 — A majority of first-year medical students changed their online behavior after participating in a social media and professionalism course, researchers have found. Their report highlights effective ... read more

Mar. 27, 2017 — Cognitive neuroscientists are using the Stampede supercomputer to provide accurate predictions of risk for those with depression and anxiety. They have been able to classify individuals with major ... read more

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