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Microglia are key defenders against prion diseases

Prion diseases are slow degenerative brain diseases that occur in people and various other mammals. No vaccines or treatments are available, and these diseases are almost always fatal. Scientists have found little evidence of a protective immune respon…

Psychopathy: What drives pathological selfishness?

We take a look at some of the neurological underpinnings of psychopathy and try to unravel the mystery of what goes on inside the brain of a psychopath.

Brain abnormality indicates general risk for mental illness

A new study reports an abnormality in visual regions of the brain that is associated with a person’s general risk for mental illness. The findings indicate a signature abnormality shared between common forms of mental illness, which could help clinicia…

Mechanism underlying malformation associated with severe epilepsy is revealed

Study suggests dysregulation of gene NEUROG2 could be linked to development of focal cortical dysplasia, one of the most common causes of drug-resistant epilepsy. NEUROG2 is involved in cell differentiation and, when overexpressed, it maintains the neu…

Smarter brains run on sparsely connected neurons

The more intelligent a person, the fewer connections there are between the neurons in his or her cerebral cortex, according to a new study performed using a specific neuroimaging technique that provides insights into the wiring of the brain on a micros…

For older adults, a better diet may prevent brain shrinkage

People who eat a diet rich in vegetables, fruit, nuts and fish may have bigger brains, according to a new study.

Our brains are obsessed with being social

Our brains are obsessed with being social even when we are not in social situations. A new study finds that the brain may tune towards social learning even when it is at rest. The findings demonstrate empirically for the first time how two regions of t…

How the gut influences neurologic disease

A study sheds new light on the connection between the gut and the brain, untangling the complex interplay that allows the byproducts of microorganisms living in the gut to influence the progression of neurodegenerative diseases.

Intimacy in later life does not slow memory loss

Older people who enjoy a sexually active and emotionally close relationship with their partner tend to perform better at memory tests than sexually inactive older adults on a short-term basis, but this is not the case over a longer period of time. This…

Artificial Intelligence improves stroke and dementia diagnosis in most common brain scan

Artificial Intelligence improves stroke and dementia diagnosis in commonest form of brain scan.