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Male tobacco smokers have brain-wide reduction of CB1 receptors

Chronic, frequent tobacco smokers have a decreased number of cannabinoid CB1 receptors, the ‘pot receptor’, when compared with non-smokers, reports a new study.

Brain networks responsible for naming objects

Scientists have identified the brain networks that allow you to think of an object name and then verbalize that thought. The study represents a significant advance in the understanding of how the brain connects meaning to words and will help the planni…

Immune cells in the brain have surprising influence on sexual behavior

Immune cells usually ignored by neuroscientists appear to play an important role in determining whether an animal’s sexual behavior will be more typical of a male or female.

Magnetic gene in fish may someday help those with epilepsy, Parkinson’s

An aquarium fish that senses the Earth’s magnetic field as it swims could help unlock how the human brain works and how diseases such as Parkinson’s and other neurological disorders function. Scientists have discovered a navigational gene in glass catf…

Study identifies distinct origin of ADHD in children with history of brain injury

Physical brain injury in children contributes to the development of attention-deficit/hyperactivity disorder (ADHD), distinct from genetic risk for the disorder.

Rethinking the stroke rule ‘time is brain’

In 1993, neurologist Camilo Gomez, M.D., coined a phrase that for a quarter century has been a fundamental rule of stroke care: ‘Time is brain!’ The longer therapy is delayed, the less chance it will be successful. But the ‘time is brain’ rule is not a…

Adult-child conversations strengthen language regions of developing brain

Young children who are regularly engaged in conversation by adults may have stronger connections between two developing brain regions critical for language, according to a study of healthy young children that confirms a hypothesis registered with the O…

Potential biomarker for autism in infancy

A study of young children with autism spectrum disorder reveals altered brain waves compared to typically developing children during a motor control task. The non-invasive neuroimaging technique used in this study could be employed to detect autism sym…

How the brain biases beliefs

People’s motivation to cling to desirable notions about future outlooks results from interactions between prefrontal cortex regions, according to a human neuroimaging study.

Herpesvirus may lead to bipolar, depression

New research finds the herpesvirus HHV-6 in the brain cells of people who lived with severe depression, bipolar disorder, or both.