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Tag: "anxiety" at biology news

Oops! Researchers publish new findings on the brain's response to costly mistakes

...ndition. OCD is often characterized by an untoward anxiety or fear about errors or failures in certain aspects of everyday life, with repetitive patterns of behavior to ward off or prevent such events. The new research, published in the Journal of Neuroscience, involved 12 healthy adults who had their brai...

How 'hot' emotional brain interferes with 'cool' processing

...y have important implications for understanding of anxiety disorders. "Our hypothesis has been that people suffering from such anxiety disorders such as depression and PTSD, may see the world differently than other people, and that a d...

Study in Science holds promise for a new approach to drug therapy

...od pressure, Zoladex for breast cancer, Buspar for anxiety and Clozaril for schizophrenia, as well as by Zantac and Claritin. Together the drug class accounts for $200 billion in annual sales. Authors of the current study believe they have found a new way to regulate the same GCPR pathways, but at different...

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

...st specializing in the treatment of depression and anxiety disorders, the new detailed insights into the power of anticipation could lead to better treatments for such conditions. "The placebo operates through expectancy. In this study, we've taken the pill out of the picture. We're just manipulating expect...

Alcoholism, smoking and genetics among Plains American Indians

...Met allele has also been associated with increased anxiety and neuroticism, increased emotionality in respons...o this paradox may lie in the relationship between anxiety and drinking patterns," she said. "In societies where regular, daily drinking is the norm, such as ...

Environmental tobacco smoke linked to behavior problems in children and pre-teens

...ncreases in holding things in, often manifested by anxiety and depression; increases in behavior problems as rated by parents, and behavior and school problems as rated by teachers; and, decreases in the ability to adapt to behavior problems. "The greater the exposure to tobacco smoke, the greater the probl...

Brain activity related to processing faces is similar in people with, without autism

...aps, at de-sensitizing autistic individuals to the anxiety triggered by looking at faces may help to improve the quality of social interactions, at least from the perspective of caregivers and others involved with them. "The idea is that maybe behavioral methods can help a child with autism approach facial s...

Gene controls whether fear is a factor

...ngs may have general implications for the study of anxiety disorders and potential anti-anxiety drugs, accord...ice without the gene show abnormally low levels of anxiety in situations that should instinctively inspire fear. Stathmin-deficient animals also show less reac...

Research Permits First-Ever Visualization of Psychological Stress in the Human Brain

...prefrontal cortex) -- an area long associated with anxiety and depression. More interestingly, the increased cerebral blood-flow persisted even when the testing was complete. These results suggest a strong link between psychological stress and negative emotions. On the other hand, the prefrontal cortex is al...

Chernobyl: The true scale of the accident

...tal health problems? Stress symptoms, depression, anxiety and medically unexplained physical symptoms have been reported, including self-perceived poor health. The designation of the affected population as "victims" rather than "survivors" has led them to perceive themselves as helpless, weak and lacking co...

Women feel more pain than men, research shows

...omen think and feel about their pain. For example, anxiety may affect men and women in different ways, and th... at the relationship between gender differences in anxiety sensitivity and pain. Anxiety sensitivity is the tendency to be fearful of anxiety-related sensation...

Study charts origins of fear

...tions for pain-related emotional disorders such as anxiety and post-traumatic stress. U of T physiology professor Min Zhuo and his colleagues Professor Bong-Kiun Kaang of Seoul National University in South Korea, and Professor Bao-Ming Li of Fudan University in China have identified where emotional fear m...

Scientists uncover new clues about brain function in human behavior

...tic, even in situations that would elicit fear and anxiety in healthy people. They will eagerly, and often im...with strangers. However, they experience increased anxiety that is non-social, such as fear of spiders or heights (phobias) and worry excessively. For several...

Rodent social behavior encoded in junk DNA

...ce disorders of sociability like autism and social anxiety disorders, suggest the researchers. The Emory researchers have found that the bonobo, an ape noted for its empathic traits, unlike its relative the chimpanzee, has a microsatellite with a sequence similar to that of humans. Two studies have found mod...

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

...vations that the amygdala is responsible for fear, anxiety and aggression," said Olson. "Now we're seeing tha...mates, show a profound difference in unconditioned anxiety levels as well as their ability to form emotional memories." Olson noted that the dosage of neuroD...

Tetanus toxin found to have therapeutic properties

...gainst psychological disorders such as depression, anxiety and anorexia, and to slow the progress of neurodeg...endings. Behavioural disorders such as depression, anxiety and anorexia may be treated using the molecule derived from tetanus toxin. The researchers have als...

Depression gene may weaken mood-regulating circuit

...that a suspect gene may increase susceptibility to anxiety and depression* by weakening a circuit for processing negative emotion. People with the depression-linked gene variant showed less gray matter and weaker connections in the mood-regulating circuit. How well the circuit was connected accounted for nea...

Marburg haemorrhagic fever in Angola update

...e and effective treatment, invariably incite great anxiety in affected populations. This anxiety, in turn, can interfere with control operations, especially when communities begin hiding cases and bodies because of suspicions about the safety of hospitals. In the current outbreak, such suspicions are unders...

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