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Tag: "emotion" at biology news

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

...ngs." The study, entitled "Reward, motivation and emotion systems associated with early-stage intense romant...owed activity in reward and motivation regions. To emotion researchers like me, this is pretty exciting because it's the first physiological data to confirm a ...

The evolutionary triumph of flower power

..."Because they are a source of pleasure ?a positive emotion inducer ?we take care of them. In that sense they're like dogs. They are the pets of the plant world." Psychologist Haviland-Jones had conducted three studies that tested the ability of flowers to induce positive emotion. The objective was to demons...

Depression gene may weaken mood-regulating circuit

...in activity plays a key role in wiring the brain's emotion processing circuitry during early development, the researchers propose that the short variant leads to stunted coupling in the circuit, a poorly regulated amygdala response and impaired emotional reactivity ?resulting in increased vulnerability to pe...

Study charts origins of fear

...us, an area buried in the forebrain that regulates emotion and memory, as the origin of fear memory. "This is critical as it changes how and where scientists thought fear was developed," says Zhuo, the EJLB-CIHR Michael Smith Chair in Neurosciences and Mental Health. "By understanding the biomolecular mech...

Meditation associated with structural changes in brain

...art rate and breathing and also the integration of emotion with thought and reward-based decision making ?a central switchboard of the brain," says Lazar. An instructor in Psychology at Harvard Medical School, she also stresses that the results of such a small study need to be validated by larger, longer-te...

UCLA imaging study of children with autism finds broken mirror neuron system

...en with autism also showed reduced activity in the emotion centers of the brain, consistent with the hypothesis that this mirroring mechanism may play a crucial role for understanding how others feel and for empathizing with them. All of the children rehearsed the tasks prior to the fMRI scans to assure res...

Morning grogginess more debilitating than sleep deprivation, according to CU-Boulder study

... is thought to be responsible for problem solving, emotion and complex thought. The CU-Boulder study has implications for medical professionals who are often called on to tend patients in crisis on a moment's notice, often at odd hours, Wright said. Medical residents, for example, who may work 80 hours or ...

Autistic brain has fewer neurons for processing emotion

...stic brain has fewer neurons in an area related to emotion and social behavior, according to a new study published in the July 19 issue of The Journal of Neuroscience . This study provides quantitative evidence linking autism to an abnormality of the amygdala, especially the lateral nucleus—a major emoti...

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

...that has been found to regulate movement, balance, emotion 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 d...

Pleasure and pain: Study shows brain's 'pleasure chemical' is involved in response to pain too

...to cause pain. The questionnaires measure pain and emotion in a standardized way, so that ratings can be compared over time. None of the participants had a history of medical or psychiatric illness, nor of drug addiction or dependence. The 7 female volunteers were not taking birth control pills and were scan...

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

...ly new body of work on the role of anticipation in emotion and clinical disorders, says senior author Jack Nitschke, a UW-Madison assistant professor of psychiatry and psychology. "Our study illustrates how the power of expectancy can extend to memory formation as well," says Nitschke, also an associate o...

Computer with brain connections changing quality of life of paralyzed

Fundamental theories regarding consciousness, emotion and quality of life in sufferers of paralysis from Amyotrophic Lateral Sclerosis (ALS, also known as 'Lou Gerhig's disease') are being challenged based on new research on brain-computer interaction. ALS is a progressive disease that destroys neurons ...

Ape gestures offer clues to the evolution of human communication

...al gestures were less closely tied to a particular emotion and, thereby, serve a more adaptable function. For example, a single gesture may communicate an entirely different message depending upon the social context in which it is used. "A chimpanzee may stretch out an open hand to another as a signal fo...

Smokers quit after damage to brain region

... a damaged insula ?a region in the brain linked to emotion and feelings ?quit smoking easily and immediately,... now recognized as a key structure in processes of emotion and feeling, the fact that insular damage breaks down a learned habit such as smoking, demonstrates ...

Common gene version optimizes thinking -- but with a possible downside

...s marked by delusions, hallucinations and impaired emotion that affects one percent of the population. "We have found that DARPP-32 shapes and controls a circuit coursing between the human striatum and prefrontal cortex that affects key brain functions implicated in schizophrenia, such as motivation, wor...

A 'traffic light' for neurons means 'go' for improving brain research

...h each other to carry out very complex things like emotion or how people make decisions?" Funding for the paper's authors comes from NIH, the California Institute of Regenerative Medicine, the Max Planck Society, the Deutsche Forschungsgemeinschaft (German Research Foundation), the German government, the ...

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

...a and a cortex area behind the eyes that regulates emotion and reward-related planning behavior more during the pre-ovulation phase (four to eight days after their period began) than in the post-ovulatory phase. When they hit the jackpot and actually won a reward, women in the pre-ovulatory phase activat...

Putting feelings into words produces therapeutic effects in the brain

...ds, such as “angry” and “fearful,” and chose which emotion described the face, or they saw two names, such as...stress right now’ or ‘this is joy’ or whatever the emotion is,” said Creswell, lead author of the study, which will be featured in an upcoming issue of Psychos...

Old memory traces in brain may trigger chronic pain

...y gets stuck in the prefrontal cortex, the site of emotion and learning. The brain seems to remember the injury as if it were fresh and can’t forget it. With new understanding of the pain source, Vania Apkarian, professor of physiology, and of anesthesiology, at Northwestern’s Feinberg School ...

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