Artistic representation of a brain depicted as a clock on a background with one half in dark blue with yellow stars and one half in light blue with clouds.
Which Neurons Go to Sleep First in Humans? fMRI Can Tell
By linking blood flow patterns to bioelectric signals in the brains of sleeping volunteers, scientists are studying the order in which brain regions fall asleep and wake up.
Which Neurons Go to Sleep First in Humans? fMRI Can Tell
Which Neurons Go to Sleep First in Humans? fMRI Can Tell

By linking blood flow patterns to bioelectric signals in the brains of sleeping volunteers, scientists are studying the order in which brain regions fall asleep and wake up.

By linking blood flow patterns to bioelectric signals in the brains of sleeping volunteers, scientists are studying the order in which brain regions fall asleep and wake up.

fMRI
Illustration of brain activity
Same Parts of the Brain Control Processing of Dozens of Languages
Andy Carstens | Jul 21, 2022
While much is known about how the brains of English speakers process language, research has neglected people who speak other languages. The Scientist spoke with one of the authors of a study that seeks to change that.
Grey and white stones on a wooden plank
Eight Weeks of Meditation Doesn’t Change the Brain, Study Finds
Natalia Mesa | May 20, 2022
Study finds that, contrary to what other research has found, a popular meditation course does not appear to alter brain structure.
The Scientist Speaks - Into the Mind of Human’s Best Friend: Using fMRI to Study Canine Cognition
Niki Spahich, PhD
Gregory Berns discusses training dogs to undergo fMRI scans to better understand their brains.
illustration of multiple brain scan images
Power Shortages Dim Results of Many Neuroimaging Studies
Angie Voyles Askham, Spectrum | Mar 17, 2022
Low participant numbers render the results of many studies based on brain scans unreliable, an analysis finds.
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Exposure to Chemical from Babies Linked to Aggression
Chloe Tenn | Nov 22, 2021
A study finds that the odorless compound hexadecanal, or HEX, increases aggressive behavior in women but has a calming effect on men.
The Scientist Speaks Podcast – Episode 5
The Scientist Creative Services Team
Unusually Wired: Human Brains are Attuned to Appreciate Musical Pitch
A woman in a colorful blouse smiles in front of a blurred background of books on shelves
Darby Saxbe Digs into Relationships’ Effects on Human Biology
Shawna Williams | Aug 1, 2021
In her current work, the University of Southern California psychologist is examining how the transition to fatherhood affects men’s brains.
A series of brain scans on a black background
How Scientists Are Tackling Brain Imaging’s Replication Problem
Angie Voyles Askham, Spectrum | Jul 9, 2021
Researchers who spoke with Spectrum say that while brain imaging tools have their limitations, they still hold promise in helping to unlock the brain’s secrets. 
Non-Concussive Head Hits Influence the Brain’s Microstructure
Lisa Winter | Oct 1, 2020
Comparing the brain scans of high-impact rugby players with those of athletes in noncontact sports, such as rowing and swimming, revealed tiny, yet significant, differences in the brain’s white matter.
Curiosity and Hunger Are Driven by the Same Brain Regions
Shawna Williams | Oct 1, 2020
Researchers tease out the effects of the two cravings by having participants gamble for the chance to satisfy them.
fear, anxiety, fMRI, study, neural circuits, brain study, neuroscience, amygdala, BNST
Brain Circuitry for Fear and Anxiety Is the Same on fMRI
Amanda Heidt | Sep 21, 2020
A study in people fails to detect differences in the brain’s response to fear or anxiety, long thought to be controlled by different neural circuits.
a cartoon of a human head with arrows going in different directions and speech bubble that say "yes!" and "no!"
Research Teams Reach Different Results From Same Brain-Scan Data
Ruth Williams | May 20, 2020
When 70 independent teams were tasked with analyzing identical brain images, no two teams chose the same approach and their conclusions were highly variable.
Study Probes Brain Activity in Survivors of Paris Terror Attacks
Jef Akst | May 1, 2020
Those who had developed PTSD appear to be less able to suppress unwanted memories—traumatic or not—suggesting a role for the general ability to control memory recall in the disorder.
Alternate Activation of Two Brain Systems Tied to Consciousness
Ruth Williams | Mar 12, 2020
Imaging reveals how cyclical patterns of brain activity differ between conscious and unresponsive individuals.
hemispherectomy epilepsy fmri brain neural connections
Missing Brain Hemisphere Tied to Fortified Neural Networks
Kerry Grens | Nov 20, 2019
A small study finds that patients who had half their brains removed to treat epilepsy have stronger neural networks than controls, perhaps explaining how they can retain language and cognition skills.
Waves of Fluid Bathe the Sleeping Brain, Perhaps to Clear Waste
Abby Olena | Oct 31, 2019
During deep sleep, rhythmic pulses of cerebrospinal fluid are coupled with slow waves of electrical activity and fluctuating blood levels in the human brain.
When Humans Hear Music, Monkeys May Hear Noise
Katarina Zimmer | Oct 1, 2019
The auditory cortices of humans and rhesus monkeys respond very differently to harmonic tones.
mri fmri neuroscience genetics cognition
Replication Refutes Study Linking Neuroimaging to Genetics
Emma Yasinski | Sep 30, 2019
The original experiment found brain activity as measured by fMRI was tied to particular genetic variants.
Neural Patterns of Consciousness Identified
Ruth Williams | Feb 6, 2019
Imaging of the human brain reveals constellations of activity associated with conscious and unconscious states.