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cognition

Simple line drawing of a beating human heart.
Abstractions blog

How Your Heart Influences What You Perceive and Fear

July 6, 2020

The heartbeat and other bodily processes play a surprising role in shaping perception and cognition.

Photo of Scarlett Howard, a researcher at the University of Toulouse, working with honeybees
Q&A

Secrets of Math From the Bee Whisperer

January 22, 2020

As Scarlett Howard taught honeybees to do arithmetic, they showed her how fundamental numbers might be to all brains.

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.

Art for "A ‘Self-Aware’ Fish Raises Doubts About a Cognitive Test"
neuroscience

A ‘Self-Aware’ Fish Raises Doubts About a Cognitive Test

December 12, 2018

A report that a fish can pass the “mirror test” for self-awareness reignites debates about how to define and measure that elusive quality.