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Accuracy of dementia brain imaging must improve

MRI scans and other tools to detect and diagnose dementia are helpful but not definitive. A new report evaluates how well different types of brain imaging tests work to detect Alzheimer’s and predict how the disease will progress.The results show that …

Accuracy of dementia brain imaging must improve

MRI scans and other tools to detect and diagnose dementia are helpful but not definitive. A new report evaluates how well different types of brain imaging tests work to detect Alzheimer’s and predict how the disease will progress.The results show that …

Parents’ views on justice affect babies’ moral development

Babies’ neural responses to morally charged scenarios are influenced by their parents’ attitudes toward justice, new research shows. The developmental neuroscientists found that strong individual differences in the perception of prosocial and antisocia…

Possible new weapon against PTSD

Animals who underwent chronic stress prior to a traumatic experience engaged a distinctive brain pathway that encodes traumatic memories more strongly than in unstressed animals, new research shows.

Reading emotions in a second language

If we read about someone who is smiling and happy, without realizing it, we smile as well. If, however, the text is not in our mother tongue but in a second language, then our mind and body react in a blander manner. This effect may depend on the diffe…

Close friendships in adolescence predict health in adulthood

Teens are often warned to beware the undue influence of peer pressure, but new research suggests that following the pack in adolescence may have some unexpected benefits for physical health in early…

‘But doctor, i’m not ill: ‘ Insight in psychotic patients

How do you convince someone with schizophrenia or other psychotic disorders that they are ill if they don’t want to believe it? Awareness of illness, also known as ‘insight’, is a serious problem in the treatment of psychotic patients. Now work investi…

Research in mice shows potential value of antidepressant in some stroke victims

Working with mice, researchers have added to evidence that a commonly prescribed antidepressant called fluoxetine helps stroke victims improve movement and coordination, and possibly why.

Magnetic stimulation effective in helping Parkinson’s patients walk

About 50 percent of patients with Parkinson’s disease (PD) experience freezing of gait (FOG), an inability to move forward while walking. This can affect not only mobility but also balance. In a new study, researchers report that repetitive transcrania…

Deciphering olfactory receptor codes

In animals, numerous behaviors are governed by the olfactory perception of their surrounding world. Whether originating in the nose of a mammal or the antennas of an insect, perception results from the combined activation of multiple receptors located …