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Brain & Behavior

PET brain scans from the same individual with early signs of Alzheimer’s disease comparing two tau radiotracers: flortaucipir, shown at top, and the investigational tracer MK6240, shown at bottom. Areas of pathological tau accumulation appear in red. The MK6240 scan shows more extensive tau buildup, suggesting that this tracer may detect Alzheimer’s-related brain changes that are less visible with the standard tracer.

Newer Brain Scan Spots Alzheimer’s Tau Years Before Symptoms, and Twice as Often

A student looks at his phone in the Student Innovation Center at Iowa State University.

Governments Are Banning Teens from Social Media Without Any Evidence It Will Help

Lab mouse.

The Brain Circuit That Decides Where One Memory Ends and the Next Begins

eldery man and woman hugging

Alzheimer’s Follows Three Distinct Paths, and Scientists Are Starting to Tell Them Apart

A mini version of the connected human brain and spinal cord system created in the lab.

A Contraceptive Drug May Help Reverse Nerve Damage Once Thought Permanent

nanofiber mesh between fingers of a gloved hand

A Tiny Drug-Loaded Mesh Implanted in the Brain Is Keeping Glioblastoma at Bay

Teacher looking at class

Young Children Can Read Human Eyes for Hidden Desires. A Robot’s Gaze Tells Them Nothing.

teen boy in jeans jacket

The Youth Mental Health Crisis Has a Deeper Cause Than Social Media

Human Brain Organoids Are Learning to Play Video Games. That Is Only the Beginning.

illustration of a puppet on a string

Five Social Media Posts May Be All It Takes to Change What You Believe

urine test vials

Urine Test Can Identify Most Children With Autism by Reading Their Gut Bacteria

woman sipping coffee in bed

Your Morning Coffee Could Be Rewiring How Your Brain Sleeps

Small Towns Are Vanishing From AI’s Imagination

Mushroom top

Psilocybin Primes the Brain to Make Common Nerve Pain Drugs Work Far Better

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