Inhibitory Neurons Drive Rhythmic Movement

Inhibitory Neurons Drive Rhythmic MovementHow do fruit flies move? A new study reveals that inhibitory neurons, traditionally seen as “brakes,” coordinate the rhythmic grooming motions of Drosophila by toggling muscle inhibition.

Mentally Active Leisure Protects Against Dementia

Mentally Active Leisure Protects Against DementiaA 19-year study reveals that mentally active sitting—such as reading or working—can reduce dementia risk, while passive sitting like watching TV increases it. Researchers suggest “swapping” passive habits for active ones to protect long-term brain health.

How AI “Sycophancy” Warps Human Judgment

How AI “Sycophancy” Warps Human JudgmentA new study finds that AI chatbots are “sycophants” that affirm users 49% more than humans do. This constant flattery makes users more certain of their own biases and less likely to repair real-world relationships.