Summary: Researchers have identified orexin, a brain chemical, as crucial in deciding between exercising and indulging in treats. In experiments with mice, those with an intact orexin system were more…
Tag: ETH Zurich
Pupil Size Regulated by Orexin, Not Stress Hormones
Summary: Researchers have discovered that the neurotransmitter orexin, not the stress hormone noradrenaline, regulates pupil size, challenging prior understanding. Orexin neurons affect pupil size in response to emotional states and…
Meditation Diminishes Bias Toward Negative Information
Summary: A new study reveals that daily mindfulness meditation can help reduce individuals’ tendency to avoid negative information. The practice of regular mindfulness meditation allows people to better process uncomfortable…
