Articles on Prefrontal cortex

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ADHD is characterized by symptoms such as inattention, hyperactivity and impulsivity. Nuthawut Somsuk/iStock / Getty Images Plus via Getty Images

ADHD brains present unique challenges, but the condition is highly treatable − a primary care nurse practitioner with ADHD explains the science

Navigating life with ADHD or as a parent of a child with ADHD can be stressful. But as researchers learn more about the uniqueness of brains with ADHD, they are also gleaning insight into treatments.
Like natural hormones, known as endogenous hormones, the artificial hormones contained in the pill, known as exogenous hormones, can have effects on the brain. (Shutterstock)

The contraceptive pill also affects the brain and the regulation of emotions

Oral contraceptives modify the menstrual cycle. What’s less well known is that they also reach the brain, particularly the regions important for regulating emotions.
Researchers are working on untangling the neural circuitry of chronic and acute pain. Victor Habbick Visions/Science Photo Library via Getty Images

Chronic pain can be objectively measured using brain signals – new research

Pain has long been subjectively measured, leading to frustrations for patients and doctors alike. Identifying neural biomarkers of pain could improve diagnosis and lead to better treatments of chronic pain conditions.
A class of inhibitory neurons can make long-distance connections across both hemispheres of the brain. akinbostanci/iStock via Getty Images Plus

Cognitive flexibility is essential to navigating a changing world – new research in mice shows how your brain learns new rules

Learning new rules requires the suppression of old ones. A better understanding of the brain circuits involved in behavioral adaptation could lead to new ways to treat schizophrenia and bipolar disorder.
“I’m just a bit tired, dad”. Shutterstock

Why children misbehave when they are tired

When we are tired, bored or something is bothering us, children and adults behave worse. All because the brain’s control tower, the prefrontal cortex, is not working at full capacity.
The teenage brain has a voracious drive for reward, diminished behavioural control and a susceptibility to be shaped by experience. This often manifests as a reduced ability to resist high-calorie junk foods. (Shutterstock)

How junk food shapes the developing teenage brain

Excessively eating junk foods during adolescence could alter brain development, leading to lasting poor diet habits. But, like a muscle, the brain can be exercised to improve willpower.
Toronto Maple Leafs’ goaltender Frederik Andersen is scored on by Montreal Canadiens’ Andrew Shaw during second period NHL hockey action in Montreal in April. THE CANADIAN PRESS/Graham Hughes

From the penalty box to the ballot box, our brains are wired for tribalism

Our neural hardware responds differently when we perceive people to be on “our team.” This hard-wiring allows for both positive and negative biases.
Volunteering at a food bank is one way people feel rewarded by giving. AP Photo/Gene J. Puskar

When you’re grateful, your brain becomes more charitable

How does being thankful about things in your own life relate to any selfless concern you may have about the well-being of others? A neuroscientist explores the gratitude/altruism connection.

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