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Will heart medication help treat Alzheimer’s disease?

Heart medication reduces the build-up of plaque in the brain’s blood vessels in mice, new research shows. The question is if this is true also in humans; if the answer is yes, it might bring scientists a step closer to developing a medicine against A…

Extreme beliefs often mistaken for insanity, new study finds

Researchers say new term offers more precise definition of non-psychotic behaviors.In the aftermath of violent acts such as mass shootings, many people assume mental illness is the cause.

New study surveys genetic changes linked with Parkinson’s disease

The genetic modifications associated with the development of Parkinson’s disease (PD) and PD-associated dementia has been the focus of recent research, which is bringing new investigative tools to bear.

Poverty marks a gene, predicting depression

A long line of research links poverty and depression. Now scientists unveil some of the biology of depression in high-risk adolescents whose families are socioeconomically disadvantaged. The study combines epigenetics, brain imaging and behavioral data…

Depression lowers women’s chances of pregnancy, study finds

Women with severe depressive symptoms have a decreased chance of becoming pregnant, while the use of psychotropic medications does not appear to harm fertility, a study shows.

Distinguishing differences in dementia using brain scans

Neuroscientists are now able to distinguish two different forms of dementia using advanced imaging techniques. This is the first step towards early recognition of dementia in patients on the basis of brain networks.

PET imaging with special tracer can detect, diagnose early Alzheimer’s disease

Recognizing that the use of biomarkers has led to advances in the detection of Alzheimer’s disease (AD), researchers reviewed a PET amyloid imaging agent, finding that imaging with PiB provides early detection of disease and allows clinicians to distin…

Canadian military personnel more likely than civilians to think about suicide but also to seek help

Canadian military personnel have higher rates of suicidal thoughts and suicide attempts, but they are also more likely to access mental health support than civilians, found new research in CMAJ…

How neural circuits implement natural vision

Researchers have designed a new computational model to study how nerve cells in the visual cortex process natural stimuli. At any given moment, the neuronal circuits in the brain receive and process sensory information that permits us to perceive and i…

Did human-like intelligence evolve to care for helpless babies?

Human intelligence might have evolved in response to the demands of caring for infants, new research suggests. Experts in in brain and cognitive sciences have developed a novel evolutionary model in which the development of high levels of intelligence …