Is It Real or Imagined? Here’s How Your Brain Tells the Difference
What is clear is that the brain must be able to accurately regulate how strong a mental image is to avoid confusion between fantasy and...
Tag : brains and behavior
Brain Implants That Help Paralyzed People Speak Just Broke New Records
Ann, a stroke survivor, can communicate using a digital avatar that decodes her intended speech. Photograph: Noah Berger/UCSF There are trade-offs to both group’s approaches....
A Brain Implant Helped Stroke Survivors Regain Movement
The brain has a remarkable ability to adapt in response to injury. Healthy regions can take over functions that the damaged parts used to perform....
Gene Expression in Neurons Solves a Brain Evolution Puzzle
The neocortex stands out as a stunning achievement of biological evolution. All mammals have this swath of tissue covering their brain, and the six layers...
Your Brain Uses Calculus to Control Fast Movements
A mouse is running on a treadmill embedded in a virtual reality corridor. In his mind’s eye, he sees himself scurrying down a tunnel with...
This Brain Molecule Decides Which Memories Are Happy—or Terrible
Further evidence of this bias comes from the reaction of the mice when they were first put into learning situations. Before they knew whether the...
Self-Taught AI May Have a Lot in Common With the Human Brain
For a decade now, many of the most impressive artificial intelligence systems have been taught using a huge inventory of labeled data. An image might...
A Brain Chemical Helps Neurons Know When to Start a Movement
By washing through the brain, neuromodulators “allow you to govern the excitability of a large region of the brain more or less in the same...
Neural Noise Shows the Uncertainty of Our Memories
In the moment between reading a phone number and punching it into your phone, you may find that the digits have mysteriously gone astray —...