Saliva Cortisol Test May Detect Alzheimer’s Disease
Testing saliva for the stress hormone cortisol in otherwise healthy older adults may help identify people who should undergo cognitive screening, according…
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How Your Brain Recognizes Your Face Without Seeing It
Summary: A new study shows that people attend to their own face automatically and can do so even when the face is…
Blood Test Detects Parkinson’s Years Before Symptoms
Summary: Researchers have developed an AI-driven blood test that can predict Parkinson’s disease up to seven years before symptoms appear. The test…
I Knew It: Deja Vu and the Postdictive Bias
Summary: When intense feelings of prediction accompany déjà vu, they strongly correlate with a later feeling of postdiction. High familiarity during déjà…
Machiavellianism and Psychopathy: How They Disrupt Sleep
Summary: A new study examines how the Dark Triad personality traits—Machiavellianism, psychopathy, and narcissism—relate to sleep quality, with a focus on people…
Researchers Identify Antidepressant Target in Mouse Study
Summary: New research shows that reducing a specific group of proteins in the brain decreases depression-like behavior in mice, pointing to a…
Older Brains May Overlearn: What It Means for Memory
New research led by Brown University shows that older adults retain the brain flexibility needed to learn a visual perception task, but…
How Your Perception of Time Affects Wound Healing
Summary: New research indicates that perceived time — how long people feel time has passed — can meaningfully influence the physical healing…
Amygdala: How It Shapes Emotion and Decision-Making
Summary: Recent research challenges the long-held view of the amygdala as merely the brain’s primitive “fear center.” The new study shows the…
Study Links Nutrient Intake to Academic Performance in Preteens
Summary: New research links higher levels of lutein in the eye to better academic achievement and cognitive performance in school-age children. Source:…
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