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Tag: "anticipation" at biology news

Runners -- Let thirst be your guide

...dy be dehydrated, so they say you need to drink in anticipation of becoming dehydrated. “We dispute that notion, and contend that thirst is a good indicator of your body’s need for fluids, and that there is a window of time over which you can rehydrate safely,” he says. While a person “needs to lose about 1-2 ...

Brain's reward circuit activity ebbs and flows with a woman's hormonal cycle

...ifferent activation profile than women during both anticipation and delivery of rewards. For example, men had more...y in a striatum (signal relay station) area during anticipation compared to women and women had more activity in a frontal cortex (executive hub) area at the time o...

The influence of the menstrual cycle on the female brain

...he LH peak. An increase in brain activity with anticipation of uncertain monetary rewards is observed. During ...g rewards, such as approach behavior during reward anticipation and hedonistic behavior when the reward is received. These results, at the border between neuroend...

Anticipation plays a powerful role in human memory, brain study finds

...sity of Wisconsin-Madison have found that the mere anticipation of a fearful situation can fire up two memory-form...event has occurred. That means the simple act of anticipation may play a surprisingly important role in how fresh the memory of a tough experience remains. The ...

Circadian gene helps the brain predict mealtime

...rchers have identified the first gene critical for anticipation of mealtime. This gene, called Period 2, is a key .... Studying mice, they found that this lack of food anticipation at both behavioral and physiological levels is specifically associated with a mutation in the Period...

The brain's motivation station

...ived the reward. The researchers found that reward anticipation activated specific brain structures in the "mesolimbic" region involved in the processing of emotions. In the second task, the researchers sought to measure how this reward center promoted memory formation. They first showed subjects a "value" symbo...

Just the expectation of a mirthful laughter experience boosts endorphins 27 percent, HGH 87 percent

...re real science and psychophysiology, but just the anticipation of the "mirthful laughter" involved in watching yo...phin and HGH increase are associated with both the anticipation and experience of mirthful laughter," 12:30 p.m.- 3 p.m. Sunday April 2, APS Behavioral neuroscience...

Great (taste) expectations: Study shows brain anticipates taste, shifts gears

...henomenon and show how the brain can be rewired in anticipation of sensory input to respond in prescribed ways. Wr...rders, the new detailed insights into the power of anticipation could lead to better treatments for such conditions. "The placebo operates through expectancy. In t...

'Perception' gene tracked humanity's evolution, scientists say

...dynorphin, an opium-like protein implicated in the anticipation and experience of pain, social attachment and bonding, as well as learning and memory. "Humans have the ability to turn on this gene more easily and more intensely than other primates," said IU Bloomington computational biologist Matthew Hahn, who ...

Study identifies gene in mice that may control risk-taking behavior in humans

...se mice did not freeze their movements as often in anticipation of the mild shock. To assess the level of unconditioned fear in mice with a single copy of the neuroD2 gene, researchers put them into a situation that would elicit a fear response in normal mice. They used a maze elevated 40 centimeters above a ta...

Lipids get new comprehensive classification system

...xpected to be discovered through lipidomics and in anticipation of the massive amounts of data that will be generated by the lipid community, an international group of scientists has developed a comprehensive classification, nomenclature, and chemical representation system for lipids. The details of the system ap...

Live vaccines more effective against horse herpes virus

...s Stakes at Pimlico Race Course near Baltimore. In anticipation of the June 11, $1 million Belmont Stakes, the third leg of the Triple Crown, in Belmont, N.Y., the New York Racing Association (NYRA) on May 18 issued travel restrictions for all horses that might have been exposed to equine herpes virus, with speci...

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