Their actions impact mood, movement, and survival. Nerves throughout the body—including the brain, gastrointestinal system, ...

A recent study reveals that during sex, two brain chemicals—dopamine and acetylcholine—play a crucial role. Findings from male mice offer new insights into erectile disorders.

The brain demands extraordinary resources despite representing just 2% of body weight. It consumes 20% of the body’s energy and requires specific nutrients to function optimally.

Acetylcholine plays a role in learning, attention, arousal, and other brain functions depending on what sorts of receptors it binds to, like a lock fitting into a key. Crucially, it also regulates ...

To uncover what drives sexual behavior in animals, researchers studied the brain activity of male mice throughout the series of actions involved in sex leading up to ejaculation. Their results ...

Working long hours may change the structure of your brain, including regions associated with emotional regulation and executive function— such as problem solving and working memory—new ...

An optic fiber would light up if the brain released dopamine and acetylcholine, a neurotransmitter known to regulate dopamine. The researchers found that mouse brains started to release ...

The heading of a soccer ball—an intrinsic and routine feature of play in the world's most popular field sport—causes long-term damage to areas of the brain associated with learning, according ...

New research suggests a unique form of meditation can affect brain regions linked to emotional regulation and memory, potentially paving the way for new treatments for anxiety and depression.

Certain brain regions may shrink in size during pregnancy yet improve in connectivity, according to a new study of one woman (not shown). Oscar Wong/Moment RF/Getty Images. CNN — ...