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neuroscience

Illustration of a woman with “hands” behind her eyes and “eyes” in her hands, showing how the brain integrates its sense of the world with the actions to be taken in response.
neuroscience

‘Noise’ in the Brain Encodes Surprisingly Important Signals

November 7, 2019

Activity in the visual cortex and other sensory areas is dominated by signals about body movements, down to little tics and twitches. Scientists are now rethinking how they study and conceive of perception.

A Tsimané man plays an instrument resembling a violin.
Abstractions blog

Perceptions of Musical Octaves Are Learned, Not Wired in the Brain

October 30, 2019

Singing experiments with residents of the Bolivian rainforest demonstrate how biology and experience shape the way we hear music.

Animation of one icon tracing a wave pattern over a brain, followed by another icon that erases the pattern.
neuroscience

Dueling Brain Waves Anchor or Erase Learning During Sleep

October 24, 2019

While we sleep, one kind of slow brain wave helps to reinforce memories, but a competing wave weakens them.

A fractal pattern.
neuroscience

A Power Law Keeps the Brain’s Perceptions Balanced

October 22, 2019

Researchers have discovered a surprising mathematical relationship in the brain’s representations of sensory information, with possible applications to AI research.

An osprey flying low over a river holds a trout in its claws.
Abstractions blog

Your Brain Chooses What to Let You See

September 30, 2019

Beneath our awareness, the brain lets certain kinds of stimuli automatically capture our attention by lowering the priority of the rest.

The illustration shows ghostly hands partially obstructing a person’s sight and hearing.
neuroscience

To Pay Attention, the Brain Uses Filters, Not a Spotlight

September 24, 2019

A brain circuit that suppresses distracting sensory information holds important clues about attention and other cognitive processes.

An illustration of eyeballs connected to many hands painting the Mona Lisa.
mathematical biology

A Mathematical Model Unlocks the Secrets of Vision

August 21, 2019

Mathematicians and neuroscientists have created the first anatomically accurate model that explains how vision is possible.

Abstractions blog

In Brain’s Electrical Ripples, Markers for Memories Appear

August 6, 2019

Researchers found that elongating certain brain signals in rats improved their memory. The work revealed a new property to look out for in the hunt for “biomarkers” of learning.

artificial intelligence

Where We See Shapes, AI Sees Textures

July 1, 2019

To researchers’ surprise, deep learning vision algorithms often fail at classifying images because they mostly take cues from textures, not shapes.