The endogenous compound anandamide – often referred to as the body’s own marijuana – plays a role in erasing memories of a traumatic event. This
Interactions between the mind and the body have sparked the interest of scientists and philosophers for centuries. In ancient Greece, the physician Galen described the
Researchers have shown previously that excessive proliferation of the cells of the brain, which can cause macrocephaly, or large head size, is associated with autism.
Doctors have begun a clinical trial to test whether chilling patients’ bodies down to 10–15 °Celsius from their normal temp of 37 °C using a
While humans sleep, huge waves of the cerebrospinal fluid that envelops the brain rhythmically flow in and out of the organ, according to a new
Brain organoids, small pieces of the human cerebral cortex grown in the lab, are becoming valuable scientific tools. By modeling the growth of brain cells
The human brain has undergone substantial change since humans diverged from chimpanzees and the other great apes1,2. However, the genetic and developmental programs that underlie
Researchers have found a link between RNA splicing alterations and tau-mediated neurodegeneration in Alzheimer’s disease. The study, published today (October 8) in Cell Reports, examined
There are approximately 5.6 million people over the age of 65 living with Alzheimer’s disease in the United States. With the population aging, that number
A quadriplegic patient has walked again thanks to a brain-controlled robotic exoskeleton suit being tested in the lab, according to a team of researchers in
Tau is a structural protein of brain cells that, in various neurodegenerative conditions and as a result of brain injury, can accumulate as tangled toxic
Cortical organoids—three-dimensional bundles of neurons and glia grown in a dish from induced pluripotent stem cells—look a lot like tiny brains. And while the gene
When people listened to questions from a predetermined set and spoke a response from a group of answer options, a computer program could correctly predict
For years, scientists thought the brain lacked a lymphatic system, raising questions about how fluid, macromolecules, and immune cells escape the organ. In 2015, two
In a healthy adult, tissue-specific stem cells replenish damaged tissue and sustain plasticity (the addition of new cells) in organs. In two regions of the
Fifteen per cent of hospital patients with severe brain injuries exhibited cognitive activity in response to commands — even though they did not react visibly.
You’d think that overseeing an entire issue of The Scientist focused on artificial intelligence would cause my mind to wander far into the future—robotic researchers
Patterns of brain activity in people with autism are unusually consistent over seconds—and even years, two new studies suggest. One study shows that patterns of
Anticipating something tasty can lead to a watering mouth and grumbling stomach, but these familiar responses aren’t the only ways the body prepares for nourishment.
The activity in a cortical area involved in self-regulation was the best correlate of weight loss in a study published today (October 18) in Cell
Low-frequency electrical waves in the stomach seem to be synchronised with the activity of a newly discovered resting-state network in the human brain. Main text
Mouse brains make nice homes for human brain organoids, researchers report today (April 16) in Nature Biotechnology. Brain organoids, also known as mini-brains, are tiny
Powerful chemical countermeasures could one day enter the battle against opioid addiction, which killed more than 42,000 people in the United States in 2016. Doctors
Adult human hippocampi are home to thousands of immature neurons, researchers report today (April 5) in Cell Stem Cell. The result runs counter to a
People with Alzheimer’s have a higher production rate of tau proteins than healthy individuals, according to a study published today (March 21) in Neuron. While
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