The human brain has been called the most complex object in the known universe. And with good reason: It has around 86 billion neurons and several hundred thousand miles of axon fibers connecting them.

Levels of grey matter in two parts of the brain may be linked to a desire to start smoking during adolescence and the strengthening of nicotine addiction, a new study has shown. A team of scientists, ...

Gray matter is located on the surface of the cerebral cortex and also includes deep brain structures such as the thalamus and basal ganglia. White matter is located beneath the gray matter of the ...

Researchers from Russia and the U.S. have found language impairment in children with Autism Spectrum Disorder (ASD) to be associated with a lower volume of gray matter and greater gyrification in the ...

Scientists have shown in both anxious rats and military veterans with PTSD that acute stress is associated with increased myelination of axons in areas of the brain associated with memory and emotions ...