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Tag: "feelings" at biology news

Love's all in the brain: fMRI study shows strong, lateralized reward, not sex, drive

...dicine. "We humans are built to experience magical feelings like love, but our findings don't diminish the mag...artner," Fisher said, "and our results suggest how feelings of romantic love might change into feelings of attachment. Our results support what people have alwa...

Potential Drug Target For Treating Cocaine Abuse Found

...ct wore off after a day. Cocaine produces intense feelings of euphoria by increasing the amount of dopamine that is sent from one neuron to another within the brain reward system. Dopamine signals pleasure and reward by binding to receptors on the receiving neurons, after which it is reabsorbed for later use...

Researchers make surprise discovery that some neurons can transmit three signals at once

...trinated into believing that our senses, thoughts, feelings and movements are orchestrated by a communication network of brain cells, or neurons, each responsible for relaying one specific chemical message called a neurotransmitter. Either neurons release a neurotransmitter that excites a neighboring cell, th...

Discovery of New Dopamine Action May Yield Alternative Psychiatric Drugs

... on the brain. Normally associated with triggering feelings of pleasure, excess concentrations of dopamine underlie schizophrenia, attention deficit hyperactivity disorder and other psychiatric conditions. The findings therefore provide new research avenues to understand and potentially manage such dopamine-r...

Thinking the pain away? Study shows the brain's painkillers may cause 'placebo effect'

...that this response corresponds with a reduction in feelings of pain. Previous studies at U-M and elsewhere have shown that the brain reacts physically when a person is given a sham pain treatment, which they believe will help them. But the new study is the first to pinpoint a specific brain chemistry mecha...

Gene controlling circadian rhythms linked to drug addiction

...with the "pleasure system" of the brain, providing feelings of enjoyment from certain activities. Dopamine is released by naturally rewarding experiences such as food, sex and the use of certain drugs. In the study, mice that lacked the Clock gene were injected with cocaine. Not only did the mice experience ...

The first laugh: New study posits evolutionary origins of two distinct types of laughter

...ategically punctuating conversation, and conveying feelings or ideas such as embarrassment and derision. "Humans can now voluntarily access the laughter program and utilize it for their own ends, including smoothing conversational interaction, appeasing others, inducing favorable stances in them, or downrigh...

Looking for the genes that affect a person's level of response to alcohol

...nd we asked the subjects to rate each one of these feelings from 0, meaning not at all, to 36, meaning the most they could imagine," said Schuckit. "What's interesting about this design is that researchers used what we would say are two separate phenotypes," said Hesselbrock. "One is the person's subjective...

Meditation associated with structural changes in brain

...a specific, nonjudgmental awareness of sensations, feelings and state of mind. They averaged nine years of mediation experience and practiced about six hours per week. For comparison, 15 people with no experience of meditation or yoga were enrolled as controls. Using standard MRI to produce detailed images...

Mobile phone use not linked to increased risk of glioma brain tumours

... common type. Early symptoms include headaches and feelings of nausea. The causes of these tumours are currently unknown. The study was conducted between 1 December 2000 and 29 February 2004 and included people living in the Thames region, southern Scotland, Trent, the West Midlands and West Yorkshire. 96...

Commonly used antidepressants may also affect human immune system

...in transmission between neurons is associated with feelings of pleasure, mood, and appetite, and the class of antidepressants known as SSRIs keeps serotonin active within the synaptic spaces between neurons, enhancing the chemical's positive effects. Unlike in the brain, which uses chemical messengers to comm...

UF researchers develop ways to keep the bloom on the rose

...loral industry. "Our whole business relies on the feelings flowers give to people," said Charles Kremp, owner of Kremp Florists in Philadelphia. "It is important for flowers to arrive to retailers looking their best and to remain looking good after they are purchased by the consumer." In the past, fresh flo...

Some people would give life or limb not to be fat

...dict that internalizing weight bias contributes to feelings of desperation, shame, and withdrawal, rather than motivates healthy behavior changes." ...

Hopkins scientists show hallucinogen in mushrooms creates universal 'mystical' experience

...gnificant fear, with some also reporting transient feelings of paranoia," says Griffiths. "Under unmonitored conditions, it's not hard to imagine those emotions escalating to panic and dangerous behavior." The researchers' message isn't just that psilocybin can produce mystical experiences. "I had a healthy...

UCLA study of community health project shows how group dynamics affect fitness, eating habits

..., boosts fruit and vegetable intake while reducing feelings of sadness and depression, and can even reduce waistlines. "Creating a culture of healthy living within an organizational framework requires buy-in by leadership, staff and clientele," said Dr. Antronette K. Yancey, lead author of the study and ass...

Newborn screening can cause unnecessary parental stress

...tements like "I expected to have closer and warmer feelings for my child, and this bothers me"; the second has statements such as "My child makes more demands on me than most children.") Waisbren believes a positive test result can increase expectations of illness even when it is later found to be in error. ...

Adults who go to bed lonely get stress hormone boost next morning

.... "You've gone to bed with loneliness, sadness, feelings of being overwhelmed, then along comes a boost of ...ults who went to bed with troubled or overwhelming feelings go out in the world the next day and have the types of positive social experiences that help regulat...

A reason why video games are hard to give up

...games is largely due to their capacity to engender feelings of autonomy, competence, and relatedness," says Ryan. The researchers believe that some video games not only motivate further play but "also can be experienced as enhancing psychological wellness, at least short-term," he says. Ryan and coauth...

Research links 'ecstasy' to survival of key movement-related cells in brain

...on and motivation, and it also affects pleasurable feelings in the brain. Researchers know that a loss of dopamine cells in the brain leads to the development of Parkinson's disease and possibly other movement disorders. Preventing dopamine cells from dying or aiding in the replacement of those cells is key t...

Designer babies - what would you do for a 'healthy' baby?

...is among the first to investigate the thoughts and feelings of ordinary prospective parents. The results of a series of surveys of 100-200 participants included: The better educated prospective parents are, the further they are prepared to go to improve their children's IQ. Women interpret certain interv...

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