Psychology & Psychiatry

Psychological stress may cause food-induced symptoms in IBS

Scientists have discovered that psychological stress can induce immune responses to food that can cause symptoms when that food is eaten again, findings that demonstrate the potential role of stress in symptoms of irritable ...

Psychology & Psychiatry

Not knowing what to expect can make pain feel worse

When we accidentally touch something familiar, like a warm pan, our brains already know what feeling to expect and how much it might hurt. But if you were blindfolded and had no idea you were touching a warm pan, you'd feel ...

Psychology & Psychiatry

Fluorescent sensors reveal dopamine signals in primate brains

Most people are familiar with Pavlovian conditioning, in which a reward-anticipatory behavior follows a reward-predicting stimulus. Behind this mechanism is dopamine released within the striatum, the largest structure of ...

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